• county
  • FIPS 40057
  • Largest town: Hollis

Harmon County, Oklahoma

Harmon County had 2,315 residents in the Census Vintage 2024 estimate, on 537.3 square miles of land. It ranks 76th of 77 in Oklahoma by population and 71st by land area.

Population
2,315
#76 of 77 in Oklahoma · #3,016 in US
Area
537.3 sq mi
#71 of 77 in Oklahoma · #1,945 in US
Density
4.3 / sq mi
#70 of 77 in Oklahoma · #2,802 in US
Median household income
$45,931
#69 of 77 in Oklahoma · #2,938 in US

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

Harmon County within Oklahoma. Pin: Oklahoma City.

Measure from here

Tools and pages that start from Harmon County

Harmon County population, land area and income

Harmon County had 2,315 residents in the Census Vintage 2024 estimate, on 537.3 square miles of land. It ranks 76th of 77 in Oklahoma by population and 71st by land area. That works out to 4.3 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Oklahoma has 20,577 residents, so Harmon County has 11% of the typical county's population.

Its SAIPE 2023 median household income of $45,931 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

2,315

3144th1st

3016th of 3,144 (US)

Land area

537 sq mi

3144th1st

1945th of 3,144 (US)

Density

4.3 / sq mi

3144th1st

2802nd of 3,144 (US)

Median household income

$45,931

3143rd1st

2938th of 3,143 (US)

Rank within Oklahoma (77)

Population

2,315

77th1st

76th of 77 (OK)

Land area

537 sq mi

77th1st

71st of 77 (OK)

Density

4.3 / sq mi

77th1st

70th of 77 (OK)

Median household income

$45,931

77th1st

69th of 77 (OK)

How Harmon County's population changed since 2020

Harmon County lost 160 residents between the July 2020 and July 2024 estimates, a drop of 6.5%. That ranks 76th 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, Harmon County recorded 130 births and 205 deaths, a natural change of -75. Net international migration added +0 and net domestic migration, people moving to or from other US counties, came to -92. The largest single component was domestic migration, which removed 92 people.

2,47520202,40320212,42820222,40920232,3152024
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
130
Deaths
205
Net international migration
+0
Net domestic migration
-92
Change, July 2023 to July 2024
-94

Where Harmon County is

The Census internal point of Harmon County is at 34.746000, -99.844200. 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 Harmon 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: Harmon County internal point. Dark pin: Oklahoma City.

Internal point

Decimal
34.746000, -99.844200
DMS
34°44'45.60"N 99°50'39.12"W
UTM
14N 422727.1E 3845200.5N
Geohash
9y0vxvrdj
Plus code
8662P5W4+C8

Towns in Harmon County

One incorporated place of 1,000+ people has residents in Harmon County, 1,665 people together, or 72% of the county. Each figure counts only the part of the town inside Harmon County; towns marked "part" extend into another county. The largest is Hollis with 1,665.

  1. 01Hollis1,665
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Harmon County

The Census 2024 county adjacency file lists 6 neighbors for Harmon County, including 3 across a state line. The most populous is Jackson County, OK, with 24,541 residents. Distances run between Census internal points in a straight line.

Distance to Oklahoma City and the nearest big city

Oklahoma City is 142.0 miles ENE of Harmon County's internal point in a straight line. The nearest place of 100,000 or more is Wichita Falls, TX (population 102,372), 95.0 miles away. The nearest place of 10,000 or more is Altus, OK (population 18,543), 31.0 miles away.

Harmon County FIPS code

The FIPS code of Harmon County is 40057: state code 40 for Oklahoma plus county code 057. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $45,931.

Questions people ask

What is the population of Harmon County, Oklahoma?

The Census Vintage 2024 estimate for July 1, 2024 is 2,315. That is down 160 people (6.5%) from the July 2020 estimate of 2,475.

What is the FIPS code of Harmon County?

40057. The first two digits (40) are Oklahoma; the last three (057) identify the county.

What is the largest town in Harmon County?

Hollis, with 1,665 residents inside Harmon County in 2024.

Which counties border Harmon County?

6 county-equivalents border it in the Census 2024 adjacency file: Jackson County, OK; Beckham County, OK; Childress County, TX; Greer County, OK; Hardeman County, TX; Collingsworth County, TX.

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.