• county
  • FIPS 40133
  • Largest town: Seminole

Seminole County, Oklahoma

Seminole County had 23,351 residents in the Census Vintage 2024 estimate, on 632.8 square miles of land. It ranks 37th of 77 in Oklahoma by population and 59th by land area.

Population
23,351
#37 of 77 in Oklahoma · #1,672 in US
Area
632.8 sq mi
#59 of 77 in Oklahoma · #1,510 in US
Density
37 / sq mi
#29 of 77 in Oklahoma · #1,747 in US
Median household income
$49,000
#61 of 77 in Oklahoma · #2,773 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Seminole County within Oklahoma. Pin: Oklahoma City.

Measure from here

Tools and pages that start from Seminole County

Seminole County population, land area and income

Seminole County had 23,351 residents in the Census Vintage 2024 estimate, on 632.8 square miles of land. It ranks 37th of 77 in Oklahoma by population and 59th by land area. That works out to 36.9 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Oklahoma has 20,577 residents; Seminole County is somewhat larger.

Its SAIPE 2023 median household income of $49,000 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

23,351

3144th1st

1672nd of 3,144 (US)

Land area

633 sq mi

3144th1st

1510th of 3,144 (US)

Density

36.9 / sq mi

3144th1st

1747th of 3,144 (US)

Median household income

$49,000

3143rd1st

2773rd of 3,143 (US)

Rank within Oklahoma (77)

Population

23,351

77th1st

37th of 77 (OK)

Land area

633 sq mi

77th1st

59th of 77 (OK)

Density

36.9 / sq mi

77th1st

29th of 77 (OK)

Median household income

$49,000

77th1st

61st of 77 (OK)

How Seminole County's population changed since 2020

Seminole County lost 161 residents between the July 2020 and July 2024 estimates, a drop of 0.7%. That ranks 58th of 77 in Oklahoma for growth. The median Oklahoma county changed by +0.8%, and the state as a whole by +3.3%.

Since the April 2020 estimates base, Seminole County recorded 1,193 births and 1,743 deaths, a natural change of -550. Net international migration added +62 and net domestic migration, people moving to or from other US counties, came to +288. The largest single component was natural change, which removed 550 people.

23.5k202023.5k202123.5k202223.6k202323.4k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,193
Deaths
1,743
Net international migration
+62
Net domestic migration
+288
Change, July 2023 to July 2024
-234

Where Seminole County is

The Census internal point of Seminole County is at 35.158400, -96.602900. It sits in UTM zone 14N. The map shades Oklahoma's 77 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Seminole County outlined. Dots are towns of 1,000+ people with residents in it.

Kingfisher County: +4.2%Okfuskee County: +0.8%Creek County: +2.9%Carter County: +2.3%Hughes County: +0.2%Murray County: -0.9%Haskell County: +2.2%Cherokee County: +3.5%Grady County: +6.3%Canadian County: +16.9%Caddo County: -2.1%Garvin County: +1.9%Custer County: -0.6%Pushmataha County: +0.1%Mayes County: +2.8%Stephens County: +2.9%Dewey County: -4.6%Greer County: -1.1%Logan County: +8.3%Atoka County: +3.1%Nowata County: +2.5%Beckham County: -0.4%Cimarron County: -6.9%Harper County: -1.2%Cleveland County: +2.6%Texas County: -3.4%Marshall County: +5.3%Tulsa County: +3.4%McIntosh County: +4.0%Grant County: -1.3%Seminole County: -0.7%Garfield County: -1.1%Jackson County: -0.8%Blaine County: -1.5%Lincoln County: +4.4%Alfalfa County: +0.0%Jefferson County: +0.8%Okmulgee County: +1.1%Major County: -2.3%Noble County: -0.2%Oklahoma County: +2.3%Pawnee County: +3.5%Bryan County: +8.6%Payne County: +3.1%Adair County: +1.9%Harmon County: -6.5%Love County: +2.6%Craig County: +2.6%Rogers County: +6.3%Muskogee County: +0.8%Sequoyah County: +3.3%Delaware County: +3.4%Johnston County: +0.5%Pittsburg County: -0.9%Le Flore County: +3.4%McClain County: +15.6%Woodward County: -2.1%Ottawa County: +0.6%Choctaw County: -0.2%Cotton County: -0.6%Roger Mills County: -3.6%Washita County: -0.6%Coal County: +2.5%Pontotoc County: +0.6%Kiowa County: -2.8%Tillman County: -3.0%Ellis County: -3.9%Wagoner County: +12.1%Beaver County: -0.1%McCurtain County: -0.1%Kay County: -0.4%Pottawatomie County: +2.6%Osage County: +1.5%Comanche County: +0.2%Washington County: +2.8%Woods County: -0.2%Latimer County: +0.3%
Change 2020 to 2024
  1. < -1.1%
  2. < +0.0%
  3. < +2.2%
  4. < +3.3%
  5. ≥ +3.3%
no data

Orange pin: Seminole County internal point. Dark pin: Oklahoma City.

Internal point

Decimal
35.158400, -96.602900
DMS
35°09'30.24"N 96°36'10.44"W
UTM
14N 718338.6E 3893240.2N
Geohash
9y7218rut
Plus code
8675595W+9R

Towns in Seminole County

3 incorporated places of 1,000+ people have residents in Seminole County, 11,557 people together, or 49% of the county. Each figure counts only the part of the town inside Seminole County; towns marked "part" extend into another county. The largest is Seminole with 7,264.

  1. 01Seminole7,264
  2. 02Wewoka3,047
  3. 03Konawa1,246
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Seminole County

The Census 2024 county adjacency file lists 4 neighbors for Seminole County. The most populous is Pottawatomie County, OK, with 74,446 residents. Distances run between Census internal points in a straight line.

Distance to Oklahoma City and the nearest big city

Oklahoma City is 55.7 miles WNW of Seminole County's internal point in a straight line. The nearest place of 100,000 or more is Norman, OK (population 131,010), 42.3 miles away. The nearest place of 10,000 or more is Shawnee, OK (population 32,092), 24.7 miles away.

Seminole County FIPS code

The FIPS code of Seminole County is 40133: state code 40 for Oklahoma plus county code 133. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $49,000.

Questions people ask

What is the population of Seminole County, Oklahoma?

The Census Vintage 2024 estimate for July 1, 2024 is 23,351. That is down 161 people (0.7%) from the July 2020 estimate of 23,512.

What is the FIPS code of Seminole County?

40133. The first two digits (40) are Oklahoma; the last three (133) identify the county.

What is the largest town in Seminole County?

Seminole, with 7,264 residents inside Seminole County in 2024.

Which counties border Seminole County?

4 county-equivalents border it in the Census 2024 adjacency file: Pottawatomie County, OK; Pontotoc County, OK; Hughes County, OK; Okfuskee County, OK.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.