Counties in Oklahoma by median age

McIntosh County had the highest median age of 77 counties in 2021, at 47.5 years. Payne County had the lowest, at 27.5 years. The median was 39.9 years and the figure for Oklahoma was 36.8 years. Source: the U.S. Census Bureau.

Highest47.5McIntosh County
Lowest27.5Payne County
Median39.977 counties
Oklahoma36.8History

Top 40 counties, 2021

CSVChart (SVG)

McIntosh CountyMcIntosh County: 47.5 years47.5Delaware CountyDelaware County: 46.6 years46.6Alfalfa CountyAlfalfa County: 44.6 years44.6Ellis CountyEllis County: 44 years44Pushmataha CountyPushmataha County: 43.9 years43.9Cimarron CountyCimarron County: 43.8 years43.8Tillman CountyTillman County: 43.4 years43.4Osage CountyOsage County: 42.9 years42.9Cotton CountyCotton County: 42.8 years42.8Marshall CountyMarshall County: 42.5 years42.5Nowata CountyNowata County: 42.2 years42.2Blaine CountyBlaine County: 42.1 years42.1Roger Mills CountyRoger Mills County: 42.1 years42.1Choctaw CountyChoctaw County: 41.9 years41.9Craig CountyCraig County: 41.7 years41.7Pawnee CountyPawnee County: 41.6 years41.6Jefferson CountyJefferson County: 41.4 years41.4Latimer CountyLatimer County: 41.4 years41.4Major CountyMajor County: 41.2 years41.2Johnston CountyJohnston County: 41.1 years41.1Murray CountyMurray County: 41 years41Coal CountyCoal County: 40.9 years40.9Kiowa CountyKiowa County: 40.9 years40.9Lincoln CountyLincoln County: 40.9 years40.9Sequoyah CountySequoyah County: 40.9 years40.9Atoka CountyAtoka County: 40.8 years40.8Beaver CountyBeaver County: 40.8 years40.8Harmon CountyHarmon County: 40.8 years40.8Haskell CountyHaskell County: 40.8 years40.8Stephens CountyStephens County: 40.8 years40.8Grant CountyGrant County: 40.7 years40.7Mayes CountyMayes County: 40.5 years40.5Washita CountyWashita County: 40.5 years40.5Greer CountyGreer County: 40.3 years40.3Noble CountyNoble County: 40.3 years40.3Creek CountyCreek County: 40.2 years40.2Pittsburg CountyPittsburg County: 40.2 years40.2Okfuskee CountyOkfuskee County: 40 years40Grady CountyGrady County: 39.9 years39.9Washington CountyWashington County: 39.8 years39.8
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
years
1McIntosh County47.5
2Delaware County46.6
3Alfalfa County44.6
4Ellis County44
5Pushmataha County43.9
6Cimarron County43.8
7Tillman County43.4
8Osage County42.9
9Cotton County42.8
10Marshall County42.5
11Nowata County42.2
12Blaine County42.1
12Roger Mills County42.1
14Choctaw County41.9
15Craig County41.7
16Pawnee County41.6
17Jefferson County41.4
17Latimer County41.4
19Major County41.2
20Johnston County41.1
21Murray County41
22Coal County40.9
22Kiowa County40.9
22Lincoln County40.9
22Sequoyah County40.9
26Atoka County40.8
26Beaver County40.8
26Harmon County40.8
26Haskell County40.8
26Stephens County40.8
31Grant County40.7
32Mayes County40.5
32Washita County40.5
34Greer County40.3
34Noble County40.3
36Creek County40.2
36Pittsburg County40.2
38Okfuskee County40
39Grady County39.9
40Washington County39.8
41Logan County39.6
42Rogers County39.4
43Harper County39.3
43Love County39.3
43Okmulgee County39.3
46Garvin County39
47Le Flore County38.8
47McClain County38.8
47Wagoner County38.8
50Hughes County38.7
51McCurtain County38.6
51Seminole County38.6
53Carter County38.5
54Kay County38.3
55Caddo County37.9
55Muskogee County37.9
57Adair County37.8
57Dewey County37.8
59Ottawa County37.7
59Pottawatomie County37.7
61Kingfisher County37.6
62Woodward County37.2
63Bryan County36.7
64Beckham County36.6
65Pontotoc County36.2
66Canadian County36.1
67Cherokee County36
67Tulsa County36
69Garfield County35.7
70Oklahoma County35.1
71Cleveland County34.8
72Jackson County34.7
73Woods County33.4
74Comanche County33.3
75Custer County32.2
76Texas County31.8
77Payne County27.5

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b01002.dat. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Oklahoma by median age using official data, and cite the source.
rank_places {"indicator":"median_age","level":"province","within":"Oklahoma","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=median_age&level=province&within=Oklahoma&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest median age?

McIntosh County, with 47.5 years in 2021, according to the U.S. Census Bureau.

Which county has the lowest median age?

Payne County, with 27.5 years in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Oklahoma: more rankings