1st most populous of 77
With 816,490 residents in 2024, Oklahoma County ranks 1st by population among Oklahoma's 77 counties and is home to 19.9% of the state's residents.

Oklahoma County has the largest economy in Oklahoma ($73.7 billion GDP) and the 3rd highest share of college graduates (35.9% of adults).
Oklahoma County is home to 816,490 people (2024 estimate) on 709 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 816,490 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 718,633 | 2010 · U.S. Census Bureau |
| Population, 2000 | 661,769 | July 1, 2000 · Census intercensal |
| Change since 2000 | +23.4% | 2000–2024 · Census |
| International migration | +3,972 | 2024 · Census Vintage 2024 |
| Domestic migration | −1,686 | 2024 · Census Vintage 2024 |
| Birth rate | 13.1 per 1,000 | 2024 · calculated |
| Death rate | 9.3 per 1,000 | 2024 · calculated |
| Population rank in Oklahoma | 1st of 77 | 2024 · calculated |
| Per capita personal income | $76,758 | BEA, 2024 · official |
| Gross domestic product | $73.7 billion | BEA, current dollars, 2024 · official |
| Median household income | $66,679 | ACS 2020–2024 5-year · official |
| Poverty rate | 16.0% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 35.9% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 10.8% | ACS 2020–2024 5-year · official |
| Median home value | $222,900 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,116/month | ACS 2020–2024 5-year · official |
| Median age | 35.2 years | ACS 2020–2024 5-year · official |
| Households | 328,101 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 58.2% | ACS 2020–2024 5-year · official |
Comparable indicators for Oklahoma County, Oklahoma and the United States.
| Indicator | County | Oklahoma | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +2.5% | +3.4% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 13.1 | 11.6 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.3 | 10.9 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 2.8 | 6.9 | 8.2 | 2024 |
| Population density (/mi²) | 1151.8 | 59.7 | 96.3 | 2024 |
| Per capita personal income | $76,758 | $63,708 | $73,204 | BEA, 2024 |
| Median household income | $66,679 | $65,039 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 16.0% | 15.3% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 35.9% | 28.3% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 10.8% | 6.4% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $222,900 | $199,800 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,116/month | $1,014/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 35.2 years | 37.0 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 58.2% | 65.8% | 65.2% | ACS 2020–2024 5-year |
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With 816,490 residents in 2024, Oklahoma County ranks 1st by population among Oklahoma's 77 counties and is home to 19.9% of the state's residents.
Its population went from 661,769 in 2000 to 816,490 in 2024, a change of +23.4%, compared with +18.6% for Oklahoma as a whole.
In the year to July 2024 the county recorded 10,735 births and 7,624 deaths, so births outnumbered deaths by 3,111.
Annual Census estimates since 2000 put the county's highest population in 2024, at 816,490.
Oklahoma County has about 1151.8 residents per square mile of land, ranking 2nd of 77 counties; Oklahoma averages 59.7.
With a median household income of $66,679 (ACS 2020–2024 5-year), the county ranks 11th of 77 Oklahoma counties; the state median is $65,039.
Its economy produced $73.7 billion of GDP in 2024 (BEA), 1st largest among 77 Oklahoma counties.
Real GDP grew 1.7% in 2024, adjusted for inflation (BEA, chained 2017 dollars).