UNITED STATES · STATES · DRAFT
Oklahoma
OKUnited States national overview in the World Factbook ↗
DRAFT · Dated statistical and subject baseline. Figures retain their individual reference years.
Introduction
Background ⓘ
Most of Oklahoma lies within the Louisiana Purchase. Parts of the present state were administered within Arkansas Territory before later territorial changes.
Geography
Total area ⓘ
69,899.119 square miles (181,037.887 square kilometres) (2025)
Land area ⓘ
68,596.821 square miles (177,664.951 square kilometres) (2025)
Water area ⓘ
1,302.298 square miles (3,372.936 square kilometres) (2025)
Boundaries ⓘ
Oklahoma shares boundaries with Arkansas, Colorado, Kansas, Missouri, New Mexico, Texas.
People
Government
Economy
Median household income ⓘ
68,441 2025 USD ± 911 (90% confidence) (2025)
Per capita income ⓘ
37,314 2025 USD ± 462 (90% confidence) (2025)
People below poverty level ⓘ
577,984 people ± 19,191 (90% confidence) (2025)
Population with poverty status determined ⓘ
4,003,087 people ± 2,626 (90% confidence) (2025)
Poverty rate ⓘ
14.4% (2025)
Housing
National Park Service places
Places associated with this state or territory in the NPS directory.
Further reading
- Official government ↗
- USAFacts population profile ↗
Secondary presentation of Census data; not independent corroboration of Census estimates.
Source records
- Background
U.S. Census Bureau, Guide to 2010 State and Local Census Geography: Oklahoma ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.
- Total area
U.S. Census Bureau, 2025 National States Gazetteer ↗
Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.
Retrieved: 2026-10-31T17:11:28.1089007Z.
Original source value: 69,899.119 square miles.
- Land area
U.S. Census Bureau, 2025 National States Gazetteer ↗
Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.
Retrieved: 2026-10-31T17:11:28.1089007Z.
Original source value: 68,596.821 square miles.
- Water area
U.S. Census Bureau, 2025 National States Gazetteer ↗
Reference period: 2025. 2025 Gazetteer geography. Land and water area in square miles, published to three decimal places. Total is calculated as land plus water; territory boundaries are statistical geography.
Retrieved: 2026-10-31T17:11:28.1089007Z.
Original source value: 1,302.298 square miles.
- Boundaries
U.S. Census Bureau, Guide to 2010 State and Local Census Geography: Oklahoma ↗
Reference period: Not supplied by source. Census Bureau bordering-state list; includes water boundaries and point contacts, where listed. The District of Columbia is a federal district.
Retrieved: 2026-10-31.
- Resident population
U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗
Reference period: 2025-07-01. July 1 resident population estimate; Vintage 2025. Includes all ages. Earlier vintages are revised by this release.
Retrieved: 2026-10-31T17:09:32.917713Z.
Original source value: 4,123,288 people.
- Resident population estimate, 2020
U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗
Reference period: 2020-07-01. July 1, 2020 resident population estimate from the same Vintage 2025 series; not the April 1 decennial census count.
Retrieved: 2026-10-31T17:09:32.917713Z.
Original source value: 3,965,243 people.
- Population change, 2020–2025
U.S. Census Bureau, Population Estimates Program, Vintage 2025 ↗
Reference period: 2020-07-01/2025-07-01. Calculated percentage change between July 1 population estimates in the same Vintage 2025 series.
Retrieved: 2026-10-31T17:09:32.917713Z.
Original source value: 3.99%.
- Capital
U.S. Census Bureau, Guide to 2010 State and Local Census Geography: Oklahoma ↗
Reference period: Not supplied by source.
Retrieved: 2026-10-31.
- Statehood
U.S. Census Bureau, Guide to 2010 State and Local Census Geography: Oklahoma ↗
Reference period: Not supplied by source. Date of admission to the Union.
Retrieved: 2026-10-31.
- Median household income
U.S. Census Bureau, 2025 ACS 1-year, B19013 ↗
Reference period: 2025 ACS 1-year. Median household income in the past 12 months, in 2025 inflation-adjusted dollars. Universe: households. Sampling estimate; margin of error uses a 90% confidence level.
Retrieved: 2026-10-31T17:12:11.8995582Z.
Original source value: 68,441 2025 USD ± 911 (90% confidence).
- Per capita income
U.S. Census Bureau, 2025 ACS 1-year, B19301 ↗
Reference period: 2025 ACS 1-year. Per capita income in the past 12 months, in 2025 inflation-adjusted dollars. Universe: total population. Sampling estimate; margin of error uses a 90% confidence level.
Retrieved: 2026-10-31T17:12:16.6293232Z.
Original source value: 37,314 2025 USD ± 462 (90% confidence).
- People below poverty level
U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗
Reference period: 2025 ACS 1-year. People whose income in the past 12 months was below the poverty level. Universe: population for whom poverty status is determined. Sampling estimate; margin of error uses a 90% confidence level.
Retrieved: 2026-10-31T17:12:16.8869346Z.
Original source value: 577,984 people ± 19,191 (90% confidence).
- Population with poverty status determined
U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗
Reference period: 2025 ACS 1-year. Denominator for the poverty count. Excludes people for whom poverty status is not determined. Sampling estimate; margin of error uses a 90% confidence level.
Retrieved: 2026-10-31T17:12:16.8869346Z.
Original source value: 4,003,087 people ± 2,626 (90% confidence).
- Poverty rate
U.S. Census Bureau, 2025 ACS 1-year, B17001 ↗
Reference period: 2025 ACS 1-year. Calculated as B17001_E002 / B17001_E001 × 100. Population for whom poverty status is determined. Rounded to one decimal. Source counts and their 90% margins of error are retained as separate facts; a margin of error for this derived rate has not been calculated.
Retrieved: 2026-10-31T17:12:16.8869346Z.
Original source value: 14.4%.
- Housing units
U.S. Census Bureau, 2025 ACS 1-year, B25001 ↗
Reference period: 2025 ACS 1-year. Total housing units, occupied and vacant. ACS estimate; not the annual Population Estimates Program housing-unit series. Sampling estimate; margin of error uses a 90% confidence level.
Retrieved: 2026-10-31T17:12:17.0506096Z.
Original source value: 1,816,238 housing units ± 395 (90% confidence).