Skip to content
AIDb

U.S. population by county

Resident population of every U.S. county and county-equivalent from the Census Bureau's latest annual population estimates, with change since the 2020 Census base and the latest year's births, deaths and migration. One row per county.

3,144 rows21 columns Updated 1 h ago Public domain (U.S. Government work)
Loading all 3,144 rows…
#

Columns

Stable keys — use them in the API, SQL and code

KeyNameTypeDescription
county_fipsFIPSstringFive-digit state + county FIPS code.
county_nameCountystringCounty name with state, e.g. 'Cook County, Illinois'.
countyCounty (short)string—
stateStatestring—
regionRegionstringCensus Bureau region.
divisionDivisionstringCensus Bureau division.
estimate_yearEstimate yearyearYear of the latest estimate (population on July 1 of this year).
populationPopulationintegerEstimated resident population on July 1 of the estimate year.
population_prev_yearPopulation, previous yearinteger—
change_1yr1-year changeinteger—
change_1yr_pct1-year change %number · %—
estimates_base_20202020 estimates baseintegerApril 1, 2020 population base used for the estimates.
change_since_2020Change since 2020integer—
change_since_2020_pctChange since 2020 %number · %—
birthsBirthsintegerBirths in the 12 months to July 1.
deathsDeathsintegerDeaths in the 12 months to July 1.
net_international_migrationNet international migrationinteger—
net_domestic_migrationNet domestic migrationinteger—
birth_rateBirth ratenumber · per 1,000—
death_rateDeath ratenumber · per 1,000—
net_migration_rateNet migration ratenumber · per 1,000Net domestic plus international migration per 1,000 residents.

More in Population & Society

Countries & Places

Countries of the world: key economic and social indicators

Every country with its region, income group and capital, plus the latest available value and year of 20 World Bank indicators from population and GDP to life expectancy, CO₂ per person and inequality. One row per country.

217 rows · Oct 9, 2026
Countries & Places

Countries of the world

Every present-day sovereign state with its ISO codes, capital, continent, area, population, official languages, currency, head of state and government, founding date, calling code, internet domain and flag. One row per country.

197 rows · 23 h ago
Population & Society

World population, 1960 to present

Total population of the world each year since 1960, with the annual growth rate. One row per year.

66 rows · Oct 9, 2026
Population & Society

Median age by country, 1950–2100

The median age of each country's population — half the people are younger, half older — from 1950, with UN medium-scenario projections to 2100. One row is one country in one year.

35,787 rows · 29 d ago
Economy

Unemployment rate by U.S. state, monthly since 1976

The seasonally adjusted unemployment rate, number unemployed, employment, labor force, employment-population ratio and labor force participation rate for every U.S. state, the District of Columbia and Puerto Rico, every month since January 1976. One row per state per month.

31,668 rows · 17 d ago
Life Sciences & Health

Average height of men and women by country and birth year

Mean adult height of men and women in each country by year of birth, for people born from 1896 to 1996 (NCD Risk Factor Collaboration). One row is one country and one birth year.

20,200 rows · 29 d ago