Census - American Community Survey - B05003 Sex by Age by Nativity and Citizenship
B05003 shows Sex by Age by Nativity and Citizenship Status. The Census dashboard allows users to filter by geography and year.
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Methodology
https://data.census.gov/table?q=B05003
"We ask questions about age and date of birth to understand the size and characteristics of different age groups and to present other data by age. Local, state, tribal, and federal agencies use age data to plan and fund government programs that provide assistance or services for specific age groups, such as children, working-age adults, women of childbearing age, or the older population. These statistics also help enforce laws, regulations, and policies against age discrimination in government programs and in society." Additionally, questions about place of birth, citizenship, or year of entry are used to create data about citizens, noncitizens, and foreign-born populations. This data can be used to inform immigration policies and understand the immigration experience. (source: https://www.census.gov/acs/www/about/why-we-ask-each-question/age/)
Survey, via mail to specific addresses
American Community Survey (ACS)
U.S. Census Bureau, Department of Commerce
3.5 million addresses nationwide are randomly selected each year to respond to the American Community Survey. More information about sample sizes, including the Oklahoma sample size each year, are available here: https://www.census.gov/acs/www/methodology/sample_size_and_data_quality/
Random sampling method of data collection on a rotating basis, participants are legally obligated to answer all questions as accurately as possible. Privacy is protected by the Census Bureau. There is a 90% margin of error for the ACS in general, however, there is also a unique margin of error for each statistic.
The data is publicly available and may be used for cross-community comparisons by the public, journalists, educators, businesses, and various government and nonprofit agencies.
Analysis