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NA Not available.
1 Includes other races not shown separately.
2 Prior to 1967 data are for Black and Other Races.
3 Persons of Hispanic origin may be of any race.
11 Implementation of a new March CPS processing system.
12 Implementation of 1970 census population controls.
13 Implementation of a new March CPS processing system. Questionnaire expanded to ask eleven income questions.
14 These estimates were derived using pareto interpolation and may differ from published data which were derived using linear interpolation. 15/ First year medians are derived using both pareto and linear interpolation. Prior to this year all medians were derived using linear interpolation. 16/ Implementation of 1980 census population controls. Questionnaire expanded to show 27 possible values from 51 possible sources of income. 17/ Implementation of Hispanic population weighting controls. 18/ Recording of amounts for earnings from longest job increased to $299,999. 19/ Implementation of a new March CPS processing system. 20/ Implementation of 1990 census population controls. 21/ Data collection method changed from paper and pencil to computer-assisted interviewing. In addition, the March 1994 income supplement was revised to allow for the coding of different income amounts on selected questionnaire items. Limits either increased or decreased in the following categories: increased to $49,999; Supplemental Security Income and Public Assistance increased to $24,999; Veterans' Benefits increased to $99,999; Child Support and Alimony decreased to $49,999. 22/ Introduction of 1990 census sample design. 23/ Full implementation of the 1990 census-based sample design and metropolitan definitions, 7,000 household sample reduction, and revised race edits.
Source: U.S. Census Bureau, Current Population Reports, P60, No. 200, Money Income in the United States: 1997; and http://WWW.CENSUS.GOV/hhes/income/histinc/f05.html (accessed 17 May 2000). http://WWW.CENSUS.GOV/hhes/income/histinc/f05.html (accessed 21 December 2000).
* CURRENT POPULATION SURVEY (MARCH ANNUAL DEMOGRAPHIC SURVEY)
Approximately 62,500 housing units were eligible to receive the 1995 Annual Demographic Survey. The basic monthly CPS sample of 60,000 housing units was supplemented by 2,500 housing units which had at least one Hispanic member the previous November. In addition, members of the Armed Forces, which are excluded from the basic CPS labor force survey, were part of the elibigle population in March. Because of the CPS sample rotation system, approximately one-half of the sample had been interviewed the previous March.
Interviewers used lap-top computers to administer the interview, asking questions as they appear on the screen and directly entering the responses obtained. With the exception of first and the fifth month-in-sample interviews, when an interviewer usually visited the sample unit, over 90 percent of the interviews were conducted by telephone.
Completed interviews were electronically transmitted to a central processor where the responses were edited for consistency, imputations were made for missing data, and various codes were added. Based on the probability of selection, a weight was added to each supplement-responding household and person record so that estimates of the population by state, race, age, sex, and Hispanic origin matched the population projections made by the Bureau of the Census. Since not every person who provided labor force information completed the supplement and the supplement was asked of members of the Armed Forces, the supplement weights vary from those used for labor force estimation.
The term "family" refers to a group of two or more persons related by birth, marriage, or adoption who reside together; all such persons are considered as members of one family. For example, if the son of the person who maintains the household and the son's wife are members of the household, they are treated as members of the parent's family. Every family must include a reference person (see definition of householder for primary families); two or more people living in the same household who are related to one another, but are not related to the householder, form an "unrelated subfamily." Beginning with the 1980 CPS, unrelated subfamilies were excluded from the count of families and unrelated subfamily members were excluded from the count of family members.
Family households are households maintained by a family (as defined above). Members of family households include any unrelated persons (unrelated subfamily members and/or secondary individuals) who may be residing there. The number of family households will not equal the number of families since families living in group quarters are included in the count of families. In addition, the count of family household members differs from the count of family members in that the family household members include all persons living in the household, whereas family members include only the householder and his/her relatives. (See the definition of family).
For each person in the Current Population Survey (CPS) sample 15 years old and over, questions were asked on the amount of money income received in the preceding calendar year from each of the following sources: 1) earnings from longest job (or self- employment); 2) earnings from jobs other than longest job; 3) unemployment compensation; 4) worker's compensation; 5) Social Security; 6) Supplemental Security income; 7) public assistance; 8) veterans' payments; 9) survivor benefits; 10) disability benefits; 11) pension or retirement income; 12) interest; 13) dividends; 14) rents, royalties, and estates and trusts; 15) educational assistance; 16) alimony; 17) child support; 18) financial assistance from outside of the household, and other periodic income. Capital gains and lump-sum or one-time payments are excluded. For definitions of alternative measures of income (definitions 1 through 15 shown in tables 10 through 12), see introductory text.
It should be noted that although the income statistics refer to receipts during the preceding calendar year, the demographic characteristics such as age, labor force status, and family or household composition are as of the survey date. The income of the family/household does not include amounts received by persons who were members during all or part of the income year if these persons no longer resided in the family/household at the time of interview. However, income data are collected for persons who are current residents but did not reside in the household during the income year.
Data on consumer income collected in the CPS by the Bureau of the Census cover money income received (exclusive of certain money receipts such as capital gains) before payments for personal income taxes, Social Security, union dues, Medicare deductions, etc. Therefore, money income does not reflect the fact that some families receive part of their income in the form of noncash benefits such as food stamps, health benefits, noncash benefits in the form of rent-free housing and goods produced and consumed on the farm; or that non-cash benefits are also received by some nonfarm residents which often take the form of the use of business transportation and facilities, full or partial payments by business for retirement programs, medical and educational expenses, etc. These elements should be considered when comparing income levels. Moreover, readers should be aware that for many different reasons there is a tendency in household surveys for respondents to underreport their income. From an analysis of independently derived income estimates, it has been determined that income earned from wages or salaries is much better reported than other sources of income, and is nearly equal to independent estimates of aggregate income.
Median income is the amount which divides the income distribution into two equal groups, half having incomes above the median, half having incomes below the median. The medians for households, families, and unrelated individuals are based on all households, families, and unrelated individuals. The medians for persons are based on persons 15 years old and over with income.
Mean income is the amount obtained by dividing the total aggregate income of a group by the number of units in that group. The means for households, families, and unrelated individuals are based on all households, families, and unrelated individuals. The means for persons are based on persons 15 years old and over with income.
These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau.
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