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General Description of the Data, Technical Comments, and Bibliography * Before printing, please set your printer to 'landscape' format, since some tables below are quite wide.
Database Software
After downloading you can open hud3.dbf, which has the names and widths of the variables. Then import the file as delimited ASCII. In dBase: Spreadsheet Software
After downloading you can open hud3.wk1, which has the names and widths of the variables. Then import the file as an ASCII file with numbers separated by commas (text is enclosed in quotes). In Lotus: Fixed Format Software Names and widths of the variables are in the layout printed on pages 12 16. You can skip over the commas and quotes. The files are delimited ASCII, with double quotes around text, and commas separating all fields, so they can be read directly by most programs. At the same time the files are in fixed format, so they can be read by programs that need fixed formats. We have kept the record length under 240 characters, which is a limit in Lotus, since we expect some users will use Lotus. Scope of the Data File The following table shows record types that are present in the computer file. For example there is one national summary record in each program, and 30 55 state summaries, depending on the program. Project records are present in some programs, tract records in others, and Moderate Rehabilitation has neither, but just agency summaries.
Number of Records by Type
The 1996 file made more of an attempt to give one summary for each agency with multiple numeric codes, such as some state agencies. These are now reported as separate agencies, because some of their projects are being re-assigned to local agencies, and processing the current totals was too complex. Where we do still summarize several codes into one agency (as in Puerto Rico and the Navajo agency), we no longer also have partial summaries for each code. Any project whose agency is not shown in the beginning of the project number has a note in the name (e.g. RQ001001 is noted as being @RQ005).
This report does not cover other types of subsidy, such as Rehabilitation grants, Homesteading, the Farmers Home Administration, etc. Only a few topics are mentioned here. More discussion was given in the 1996 report, and the data here update those figures, and provide somewhat more complete geographic information. No changes are made in Tax Credits, since we have no newer data than last year. Detailed definitions of all the items are on pages 12-16.
Basic Counts
Note: Blank means data not available Note:*only includes Section 8 spending (Loan Management), averaged over units receiving it, not spending from Section 236 and other programs.
Percent Occupied Occupancy rates are only collected for Public Housing. We assume plausible levels of occupancy in other programs for purposes of calculating the completeness of reporting (see page 13). Percent Reported Overall reporting is 80% of occupied units (so we have 20% missing data). Public Housing, Certificates+Vouchers, Section 8 New, and Section 236 have the highest reporting, from 76 84%. The smaller programs range from 48% to 71% complete. In Tax Credits no reporting is required. When households take certificates or vouchers to a new area (portability), they are reported by the local agency there, but are still billed to and in this file are counted against the original agency that issued them a certificate or voucher. In previous files they were wrongly counted against the agency that reported them. Some of the households counted above in Section 236 projects have incomes high enough to pay full rent, without subsidy. These households are not reported to HUD and their characteristics are not included in this report. Average Months since Report Households should be reported annually, on a flow basis, so for good recent data the average should be about 6 months. Larger averages mean recent data have not been received, or errors have been made so that some of the recent records have not yet been accepted into the system. Average People per Unit There is variation from 1.6 to 3.7 people per household. You can also multiply these figures by the number of housing units to find the Total Number of People Served by the programs: about 11 million. Rent per Month Average rents paid by households range very narrowly from $159 per month in Moderate Rehabilitation projects to $255 per month in Section 236. These rents include estimates by each housing agency of tenant-paid utilities. Rents in Indian Housing do not mirror their relatively higher incomes, since most Indian Housing is Mutual Ownership, with a distinct calculation for household cost. Spending per Month This is a new item on this file. This spending does not reflect what it would cost to expand any particular program. For example Public Housing costs appear low, since HUD paid off the construction costs several years ago. New Public Housing would cost much more than the average current spending, since construction costs would have to be paid. Also low spending can reflect high incomes of occupants, as in Indian housing, not necessarily management efficiency. For Section 8, total spending is calculated for each household (from the rent calculation form) and averaged, so averages do vary in each tract and agency. In Certificates+Vouchers and Moderate Rehabilitation our estimate also includes the 8% administrative fee. We are not able to estimate or include the spending on vacant units. For Public & Indian housing, we only include 1996 operating and modernization spending, since the construction costs have already been paid (the long term bonds were paid off a few years ago), and opportunity cost is not available. Drug Elimination Grants and other smaller grant programs are not covered. Operating subsidy to all agencies, and modernization funding to large agencies (generally over 250 units), is distributed every year by formula so we use the actual funding obligations. For smaller agencies modernization funding is competitive, and they do not receive it every year, so the actual funding for any agency in one year would not reflect average long term spending. As an approximation we found the average modernization funding per unit, and multiplied this average by the units in each agency to estimate the long term expected value of modernization spending. A higher fraction of Indian agencies receive modernization than of other agencies, so we calculated the average separately for Indian and non-Indian agencies. Then in each agency, for this summary, total spending in Public and Indian Housing was averaged per occupied unit per month, without differentiating among projects. In fact some receive more or less than average each year. In other programs spending is not yet available. Income per Year Incomes range from $7,400 per year in Moderate Rehabilitation to $16,000 per year in Indian Housing. This is total income, without subtracting the adjustments that are used in calculating rent. However some types of income are not counted at all by HUD and are not included here, such as scholarships and earnings of minors. Income as Percent of Local Median The median income of families in each metropolitan area and each non-metropolitan county is estimated regularly by HUD, because it is used in setting income limits for housing subsidies. (The most common income limit is 50% of local median income, adjusted for household size(1), and with some other adjustments which restrict the variation from area to area). In this file we compare each tenant household's income to the adjusted median income (i.e. twice the 50% limit), so for example if the 50% income limit for a particular household is $15,000, then adjusted local median income is $30,000 and a subsidized household with $10,000 income has 33% of adjusted local median income. When we say 'adjusted for household size' we mean the following: In households with 4 people we make no adjustment; we use the median as the base, simply taking the tenant household's income as a percent of median. We reduce the base 10% for each person under 4 in a household (3 people: income as a percent of 90% of the median; 2 people: 80%; 1 person: 70%). We increase the base 8% for each person over 4 in the household (5 people: income as a percent of 108% of the median; 6 people: 116%; etc.). Thus Certificates and Vouchers have higher dollar levels of income than Public Housing, but similar percents of median income, since their household sizes are larger, and the base for each large household is adjusted upward. The figures here are average ratios for each project, census tract, agency, state, etc. One could also have sorted the households in each project, etc., and found the median ratio, which would have been somewhat smaller.
Note:* For a few agencies, HUD erroneously shows more units in projects than the total for the agency. We reflect that fact here, since we do not know where the error is.
Note:** No tract record lacks geography, but 16% of Certificate+Voucher units are not shown on tract records, and thus these 16% lack geography, even after weighting. The Percent Reported in a previous table shows the missing data overall, before weighting.
This table shows the number of subsidized units where agency or project records have no tenant data or geographic data (because of non-reporting of either, or suppression of tenant data to protect confidentiality). Agencies have less suppression of tenant data than projects, since they are larger. Agencies also have less missing geographic data, since we can have geographic codes for an agency if any of its projects are geographically coded. Specifically this table is based on the absence of data on bedrooms and latitude from the records. Other items may be more or less complete. Incomplete Data are shown by the column headed "% Reported," the column in the middle of the even-numbered pages. The summaries are weighted to adjust for partial reporting in any project: households reported are assumed representative of other occupied units in the same project (or program and agency for Certificates+Vouchers and Moderate Rehabilitation). This assumption is not always correct. Furthermore, if far too many or too few households were reported in a project or program, the weight was limited to the range from .5 to 5, to avoid great discrepancies in weights, and resulting variance in the final data. The range was limited to .5 to 1.49 on Certificate+Voucher tract summaries, to avoid implying that two or more households moved to the same remote tract, when we only have one report from it. There is no weighting to represent the places that did not report at all. Processing Steps The report merges data from about 50 different computer tapes. The steps of processing are described in the 1996 report. Additional steps involve summarizing operating and modernization subsidies for each agency, and adding two additional files of addresses of Public Housing Projects. Symbols Zero means the number is less than a half and rounds to zero. Blank or -1 is shown when data are unknown, or when 'few' households were reported. 'Few' means (a) less than 40% of households were reported, too few for reliable data, or (b) the absolute number of households reported was 10 or fewer, so their confidentiality could be at risk. For reporting rates below about 80%, the data may be unrepresentative, but we show data down to 40% to give some indication of patterns. In the computer file, the symbol -1 is used for low reporting. 8888, 888, and 88 have special meaning: more than one MSA, county, etc. is included in the area, so a more specific code cannot be given. Data are limited to the space available. For example, to fit 100% into 2 digits, it has been coded as 99.
The order #, where given, is at HUD User, 800-245-2691, 202-708-3178, TDD 800-877-8674. Within each section items are in chronological order. SuDoc# is a numbering system used at government depository libraries.
Related Data Files
A Picture of Subsidized Households in the 1970s. www.huduser.org by Paul Burke. HUD, July 1997. This has summary socio-economic data on subsidized households in Public & Indian Housing for each project in 1976-77. It also has budget data for individual line items of housing agencies' income & expenses in 1971-76. It was prepared around 1979, but not issued until 1997.
Family Data on Public & Indian Projects, 1993, order # AVI-27, www.huduser.org by Paul Burke. HUD, November 1993. This is an earlier version of A Picture of Subsidized Households, 1996, prepared on a comparable basis, also with data on individual projects & agencies. It excludes Section 8, FHA & Tax Credits.
A Picture of Subsidized Households, 1996. 11 volumes & data file, order # HUD-7611 to HUD-7621, by Paul Burke. HUD, December 1996. This has summary socio-economic data on subsidized households for the US, each State, each housing agency, project & Census tract (all tracts are in the data file, but only tracts with many subsidized units are in the books). It includes Public, Indian, Section 8, FHA & Tax Credit projects. It also includes geographic data such as latitude, longitude and zip code.
A Picture of Subsidized Households in 1997. by Paul Burke. This has summary socio-economic data on subsidized households for the US, each State, each housing agency, project & Census tract. It includes Public, Indian, Section 8, FHA & Tax Credit projects. It also includes geographic data such as latitude, longitude and zip code.
Subsidized Housing Projects' Geographic Codes, form HUD-951, order # AVI-1004, HUD, 1996. HUD project numbers with names and as many addresses per project as we could find; coded in early 1996 with: latitude, longitude, 9-digit Zip codes, Census block, tract, Congressional District, place, Minor Civil Division (town in New England) or Census Civil Division, County, MSA. More geographic detail than A Picture of Subsidized Households, 1996 & 1997, but no data on occupants.
Development and Analysis of the National Low-Income Housing Tax Credit Database, order # HUD-7306, AVI-60 HUD, 1996. Report analyzes data from 1992-94, but database goes back to 1987, when the program began. Includes some additional data on the same Tax Credit projects in A Picture of Subsidized Households, 1996 & 1997.
Basic Documents
Housing in the Seventies order # HUD-968. Government Printing Office, 1974, especially chapter 4, "Suspended Subsidy Programs." SuDoc# HH1.2:H81/47 at government depository libraries
Housing in the Seventies, Working Papers, 2 volumes, order # HUD-1429 and HUD-1430. Government Printing Office, 1976. SuDoc# HH1.2:H81/51V1-2 at government depository libraries
Justification of the Estimates, volumes on Office of Housing, Office of Public & Indian Housing (formerly Office of Housing Management). HUD, Budget Office, annual.
Statistical Yearbook 1966 to 1979. HUD & Government Printing Office. SuDoc# HH1.38:966 through HH1.38:979 at government depository libraries
Programs of HUD. HUD, annual.
Researcher's Guide to HUD Data order # HUD-223, second edition. HUD, July 1978, espeicially chapter 9, "Occupants of Subsidized & FHA Housing."
Researcher's Guide to HUD Data order # HUD-3846, third edition. HUD, August 1984, especially chapters 8.3 and 9.3, "Data on Individual Tenants."
Specialized Documents
Standard Metropolitan Statistical Areas, Revised Edition 1975 by Statistical Policy Division, Office of Management & Budget. Government Printing Office, 1975. Criteria, definitions, lists of areas. SuDoc# PREX2.2:M56/975 at government depository libraries. Useful only for historical comparisons.
Lower Income Housing Assistance Program, order # HUD-817. HUD, 1978.
"Analysis of the Data Quality of the Section 8 Tenant Characteristics Data Base," by Office of Program Planning & Evaluation. HUD San Francisco Regional Office, May 1979.
"Trends in Subsidized Housing 1974-1981", order # HUD-3034, by Paul Burke. HUD, March 1984.
Recipient Housing in the Housing Voucher and Certificate Programs, order # HUD-5597, by Mireille Léger & Stephen Kennedy, Abt Associates. HUD, May 1990.
"Report on Subsidized Tenants," Appendix C in HUD Annual Report 1988. HUD, 1990. An earlier & very brief version of Characteristics of HUD-Assisted Renters and Their Units, based on the 1987 American Housing Survey.
"Report on Subsidized Tenants," Appendix C in HUD Annual Report 1989. HUD, 1991. Data for selected samples in various areas, from the same data base as this report, & from research samples.
"Characteristics of HUD-Assisted Tenants," Appendix C in HUD Annual Report 1990. HUD, 1992. A very brief summary of Characteristics of HUD-Assisted Renters and Their Units, based on the 1989 American Housing Survey.
Characteristics of HUD-Assisted Renters and Their Units in 1989, order # HUD-5961, by Connie Casey. HUD, March 1992. This has data (from sample interviews in the American Housing Survey) on the housing & neighborhood quality of the units people live in. Only about 33% complete for Public Housing and 50% complete for private subsidized projects, because of inability to match addresses. Similar books forthcoming for 1991 and 1993.
"Revised Standards for Defining Metropolitan Areas in the 1990's" in Federal Register volume 55, 1990, March 30, p. 12154 (corrections published: April 10 p. 13357, April 30 p. 18055, and May 10 p. 19688)
The Assessment of the HUD-Insured Multifamily Housing Stock, Final Report, v. 1, Current Status, order # HUD-6261, by James E. Wallace, Abt Associates, September 1993.
Location and Racial Composition of Public Housing in the United States, order # HUD-6557, by John Goering, Ali Kamely & Todd Richardson. HUD, March 1995.
Assisted Housing Quality Control, order # HUD-7219, by Suzanne Loux, Mary Sistek & Frank Wann. HUD, 1996. Measures errors in the form 50058 & 50059 data used in this report (though not using income matching to detect unreported sources of income). The largest dollar errors come from not getting income verifications on earnings & pensions, and, more surprisingly, not using verified amounts even when they are obtained. Net errors in rent average $4 underpayment per month per household.
Housing Problems and Needs of American Indians and Alaska Natives, order # HUD-7173, by G. Thomas Kingsley, Maris Mikelsons & Carla Herbig, Urban Institute. HUD, May 1996.
Footnotes
(1) The terms family and household here have specific meanings. The area median income is based on both subsidized and unsubsidized families. 'Families' include only people living together who are related by blood, marriage or adoption; people living alone are not used for establishing median incomes. They all are included in the broader term 'household' and all are of course eligible for subsidy, so when writing about people living in subsidized units, we use the broad term households. There is also another sense of family, as opposed to elderly households, which was once a common distinction in HUD programs. We avoid that usage, since we now have many non-elderly single people in HUD programs. When we want to indicate households where the head and spouse are under age 62, we use the term 'non-elderly'.
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