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Population Review

Harmon County, Oklahoma Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 76th-largest in Oklahoma

The population of Harmon County, Oklahoma is 2,452 as of the 2023 American Community Survey, making it the 76th-largest county in Oklahoma. The median household income is $54,286, the median home value is $75,700, and the median age is 40.3.

The population of Harmon County has declined 20.8% since 2010 (2,922 → 2,315), a -1.65% annualized rate.

Harmon County within Oklahoma · Source: US Census TIGER/Line via us-atlas

2,452

Population

-1.65%

Annual growth

5

People / sq mi

$54,286

Median Income

$75,700

Median Home Value

Harmon County covers 537 sq mi of land at 4.6 people per square mile.

About Harmon County, OK

Housing cost is the defining feature of Harmon County: the median home is valued at $75,700. Harmon County is a county in Oklahoma with a population of 2,452.

Incomes run on the lower side: a median household income of $54,286, below the US median of $78,538. The poverty rate is 13.7%, above the national 12.4%. Real estate is inexpensive, with a typical home worth only $75,700, with typical rent around $663.

Degree attainment is on the lower side for US counties: 16.3% of adults hold a bachelor’s degree, below the national 35.0%. Remote work is below the national 14.0% at 9.0%, and the average commute runs about 21 minutes each way.

Harmon County Population History (2010-2024)

The county of Harmon County had a population of 2,922 in 2010 and 2,315 in 2024, a -20.8% growth over 14 years. The peak was 2,936 in 2011. Average annual growth rate: -1.63%.

2011 · 3K20102024
Harmon County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

2,315

Population (2024)

2,922

Population (2010)

2,936

Peak (2011)

-1.63%

Avg Annual Growth

YearPopulation
20102,922
20112,936
20122,916
20132,894
20142,804
20152,782
20162,712
20172,715
20182,688
20192,645
20202,475
20212,403
20222,428
20232,409
20242,315

Race & Ethnicity

White68.1%
Black or African American11.1%
Asian0.0%
Hispanic or Latino (any race)4.7%
Two or More Races0.0%

Age & Sex

40.3

Median Age

49.6%

Female

50.4%

Male

20.2%

Age 65+

Age Distribution

Under 5
4.9%
5–9
5.5%
10–14
8.0%
15–19
6.2%
20–24
5.7%
25–34
11.3%
35–44
12.6%
45–54
11.8%
55–59
4.4%
60–64
9.5%
65–74
12.4%
75–84
5.0%
85+
2.8%

Children (under 15): 18.4% · Seniors (65+): 20.2%

Income & Poverty

Median household income$54,286$-9,317 vs state
Mean household income$77,060
Per-capita income$31,601
Poverty rate13.7%+2.6% vs state
Unemployment rate5.6%
Employment-to-population52.6%

Top Industries by Employment

Agriculture
27.2%
Professional & business services
24.1%
Public administration
9.9%
Education & health care
5.7%
Information
5.1%
Finance & real estate
4.1%
Manufacturing
4.0%
Arts, entertainment & food
3.8%

The largest employment sector in Harmon County is agriculture, accounting for 27.2% of workers.

How residents commute

0.0%

Drive alone

0.8%

Carpool

85.0%

Public transit

9.0%

Work from home

21.4 min

Avg commute

Housing

$75,700$-110,200 vs state

Median home value

$663

Median rent

72.0%

Homeownership rate

1,358

Total housing units

70.0%

Occupied

30.0%

Vacant

28.0%

Renter-occupied

Social & access

77.8%

With health insurance

87.4%

With broadband internet

30.5%

Foreign-born

2.9%

Veterans (18+)

20.5%

With a disability

83.6%

Speak language other than English at home

Education

83.5%

High School+

16.3%

Bachelor's+

Largest cities in Oklahoma

Other counties in Oklahoma

Part of Oklahoma

Metro areas in Oklahoma

County rankings

Frequently Asked Questions

Harmon County, Oklahoma has a population of 2,452 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 76th-largest county in Oklahoma. Population density is 5 people per square mile.

The population of Harmon County has declined 20.8% since 2010 (2,922 → 2,315), a -1.65% annualized rate.

The median household income in Harmon County, Oklahoma is $54,286, with mean (average) household income of $77,060 and per-capita income of $31,601. 13.7% of residents live below the federal poverty level.

In Harmon County, the largest racial and ethnic groups are White (68.1%), Black or African American (11.1%), Hispanic or Latino (4.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Harmon County, Oklahoma is 40.3 years. Residents are 49.6% female and 50.4% male.

The median home value in Harmon County is $75,700 and median monthly rent is $663. 72.0% of occupied housing units are owner-occupied. The county has 1,358 total housing units, 30.0% of which are vacant.

The largest employment sector in Harmon County, Oklahoma is agriculture, forestry, fishing, and mining, employing 27.2% of workers. The unemployment rate is 5.6%.

Oklahoma City is among the largest cities associated with Harmon County, Oklahoma, with a population of 688,693.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.