OKLAHOMA
POPULATION DENSITY
People per square mile, 2010: 54.7
People per square mile, 2020: 57.7
HISTORIC & PROJECTED GROWTH 1790 TO 2040

Year |
Population |
1790 |
0 |
1800 |
0 |
1810 |
0 |
1820 |
0 |
1830 |
0 |
1840 |
0 |
1850 |
0 |
1860 |
0 |
1870 |
0 |
1880 |
0 |
1890 |
258,657 |
1900 |
790,391 |
1910 |
1,657,155 |
1920 |
2,028,283 |
1930 |
2,396,040 |
1940 |
2,336,434 |
1950 |
2,233,351 |
1960 |
2,328,284 |
1970 |
2,559,463 |
1980 |
3,025,487 |
1990 |
3,145,585 |
2000 |
3,450,654 |
2010 |
3,751,351 |
2020 |
3,959,353 |
2030 |
4,253,604 |
2040 |
4,439,038 |
SOURCE: U.S. Bureau of the Census & Weldon Cooper Center, Demographics Research Group
(The Census Bureau and Weldon Cooper Center have not yet provided updated State projections to reflect 2020 census numbers.)
Population by County
SOURCE: U.S. Bureau of the Census
Oklahoma Population News Articles
Gobbler Report 2026: Wild Turkey Numbers Make Gains Across the State – April 6, 2026
Oklahoma lawmakers consider bill to shield fossil fuel companies from climate, greenhouse gas lawsuits – April 8, 2026
Sierra Club rips bill to protect oil and gas from climate change lawsuits – March 31, 2026
Oklahoma ranks among top states for inbound migration as Sun Belt growth continues – March 31, 2026
State senate aims to incentivize out-of-state individuals to move to rural Oklahoma – March 17, 2026
Sixth year of drought in Texas and Oklahoma leaves ranchers facing wildfires and bracing for another tough year – February 9, 2026
Care+ Pediatrics opens third urgent care clinic in Oklahoma City – Dec 26, 2025
After decades, federal judge issues cleanup plan in Oklahoma poultry pollution lawsuit – Dec 22, 2025
ICE arrests in Oklahoma continue to rise with the help of local law enforcement – Dec 17, 2025
Winter in Oklahoma is getting warmer. How much have average temps risen? – Dec 11, 2025
Are Oklahoma City and Tulsa ranked among the least healthy U.S. cities? – Aug 21, 2025
Oklahoma AG signs letter questioning legality of net-zero carbon emissions standard – Aug 20, 2025
Water, water policy remain big issues in Oklahoma – Aug 19, 2025
Poultry companies argue they should not have to pay Oklahoma for water pollution – Aug 1, 2025
Oklahoma’s latest solar farm under construction – July 31, 2025
A program in Oklahoma will pay residents to grow native plants – Feb 20, 2025
Oklahoma Farmers Sound Alarm Over Toxic Contamination and Legislative Battle – Feb 17, 2025
Housing insecurity forces Oklahoma seniors to move – Feb 9, 2025
Drought increasing across Oklahoma – Feb 6, 2025
Oklahomans push back on transmission projects even as the state’s energy needs continue to grow – Feb 2, 2025
Oklahoma AG Gentner Drummond Takes on ESG, Emissions, and EV Mandates in Multi-Court Clash – Oct 29, 2024
Hot and Dry Is the New Normal as Drought Returns to Impact Oklahoma Agriculture – Oct 29, 2024
Federal judge grants preliminary injunction halting controversial Oklahoma immigration law – Oct 27, 2024
Shawnee city leaders set to vote on 'no sit, no lie' ordinance affecting homeless population – Oct 26, 2024
Oklahoma will get hotter in the next 20 years. Here's what your county could see – Oct 3, 2024
As Lawton works to fix its wastewater treatment plant, officials find fishkill downstream – Aug 5, 2024
Education officials plan to probe impact of illegal immigration on Oklahoma public schools – July 31, 2024
Norman residents opposing turnpike plans meet, look to pursue resolution with other cities – July 31, 2024
Water board approves farm's application despite opposition – July 24, 2024
As Gov. Stitt focuses on tax cuts, Oklahoma faces $25 billion in overdue infrastructure repairs – Feb 15, 2024
MONARCH BUTTERFLY POPULATION DIPS FOLLOWING 2023 DROUGHT – Feb 13, 2024
The Largest City in Oklahoma Now and in 2050 – Feb 13, 2024
Oklahoma City Utilities Department issues water conservation request for residents – Jan 18, 2024
'Massive issues': Officials detail challenges facing Oklahoma's water infrastructure – Jan 17, 2024
Oklahoma spending millions on affordable housing, report says – August 23, 2023
EV Chargers of Oklahoma to enhance charging infrastructure – August 28, 2023
Stakeholders help shape update of state's comprehensive water plan – August 18, 2023
Oklahoma updates improvement plan for roads, bridges – August 12, 2023
Oklahoma bolsters National Guard presence at Texas-Mexico border – July 31, 2023
Oklahoma’s electric vehicle plan approved by Biden Administration – September 15, 2022
FAA will switch Oklahoma facility to solar power for $4 million – September 9, 2022
OWRB: Oklahoma needs up to $90 billion in water infrastructure improvements – August 31, 2022
Is Oklahoma a 'top 10' state for bridges? Not quite. – August 29, 2022
Millions of dollars headed to Oklahoma to plug orphaned wells – August 28, 2022
Details released after Oklahoma City homeless survey – June 3, 2022
Oklahoma City becomes 20th largest city in U.S. – May 31, 2022
Despite plans and promises, the future of Oklahoma water is uncertain – May 24, 2022
Rental prices soar across metro, leaving tenants and would-be homebuyers in a bind – May 12, 2022
Tulsa rent increases 13.5%, on average, since 2021 – May 12, 2022
Residents say Oklahoma City neighborhood overrun by homeless – January 25, 2022
Methane Cloud Spotted Near Oklahoma Natural Gas Pipelines – January 19, 2022
Oklahoma set to get $266.9 million from infrastructure bill to repair and replace bridges - January 14, 2022
Officials: Oklahoma City’s population saw dramatic increase in last decade – January 11, 2022
