Census - American Community Survey - B09001 Population Under 18

April 10, 2023, 1:13 p.m.

This Census table shows the population under 18 by years of age and is grouped by age categories in households. The Census dashboard allows users to filter by geography and year. The data in the link provided is filtered by Tulsa and Oklahoma counties and 2021 1-year estimate, but additional filters are available.

Public

Methodology

Link To Data Source

https://data.census.gov/table?q=B09001:+POPULATION+UNDER+18+YEARS+BY+AGE&g=050XX00US40109,40143&tid=ACSDT1Y2021.B09001

Why Was The Data Collected?

Age data is collected "to understand the size and characteristics of different age groups and to present other data by age" (source: https://www.census.gov/acs/www/about/why-we-ask-each-question/age/).

How Was The Data Collected?

Survey, via mail to specific addresses

Who Collected The Data?

American Community Survey (ACS)

Who Owns The Data?

U.S. Census Bureau, Department of Commerce

Who Was Included Or Excluded From The Sample?

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/

Notes On 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.

Notes On Data Usage Conditions

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

Source Categories