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Data Dictionary: ACS 2011 (1-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B19051. Earnings in the Past 12 Months for Households [3]
Universe: Universe: Households
Table Details
B19051. Earnings in the Past 12 Months for Households
Universe: Universe: Households
Variable Label
B19051001
Total
B19051002
With Earnings
B19051003
No Earnings
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2011 Summary File: Technical Documentation.
  ACS 2011-1yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> Subject Definitions -> Population Variables -> Income in the Past 12 Months -> Earnings
Earnings
Earnings are defined as the sum of wage or salary income and net income from self-employment. "Earnings" represent the amount of income received regularly for people 16 years old and over before deductions for personal income taxes, Social Security, bond purchases, union dues, Medicare deductions, etc. An individual with earnings is one who has either wage/salary income or self-employment income, or both. Respondents who "break even" in self-employment income and therefore have zero self-employment earnings also are considered "individuals with earnings."

Median Earnings
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The median divides the earnings distribution into two equal parts: one- half of the cases falling below the median and one-half above the median. Median earnings is restricted to individuals 16 years old and over with earnings and is computed on the basis of a standard distribution. (See the "Standard Distributions" section under "Derived Measures.") Median earnings figures are calculated using linear interpolation. (For more information on medians and interpolation, see "Derived Measures.")

Aggregate Earnings
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Aggregate earnings are the sum of wage/salary and net self- employment income for a particular universe of people 16 years old and over. Aggregate earnings are rounded to the nearest hundred dollars. (For more information, see "Aggregate" under "Derived Measures.")

Mean Earnings
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Mean earnings is calculated by dividing aggregate earnings by the population 16 years old and over with earnings. (The aggregate used to calculate mean earnings is rounded. For more information, see ''Aggregate earnings.'') Mean earnings is rounded to the nearest whole dollar. (For more information on means, see "Derived Measures.")

Women's Earnings as a Percentage of Men's Earnings
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Women's earnings as a percentage of men's earnings is defined as median earnings for females who worked fulltime, year-round divided by median earnings for males who worked full-time, year-round, multiplied by 100. (For more information see "full-time, year-round workers" under "Usual hours worked per weeks worked in the past 12 months" and "Median earnings.")