Fremont County, Wyoming Population 2026

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

The population of Fremont County, Wyoming is 39,472 as of the 2023 American Community Survey, making it the 5th-largest county in Wyoming. The median household income is $64,646, the median home value is $252,700, and the median age is 39.4.

The population of Fremont County has declined 1.2% since 2010 (40,199 → 39,721), a -0.09% annualized rate.

Fremont County within Wyoming · Source: US Census TIGER/Line via us-atlas

39,472

Population

-0.09%

Annual growth

People / sq mi

$64,646

Median Income

$252,700

Median Home Value

Fremont County covers 9,184 sq mi of land at 4.3 people per square mile.

About Fremont County, WY

Fremont County is a county in Wyoming with a population of 39,472. It ranks #5 among counties in Wyoming by population. The median age is 39.4, in line with the national median. The population is 50.7% male and 49.3% female.

The median household income in Fremont County is $64,646, below the US median of $74,580. 8.0% of residents live below the federal poverty level. Home values sit at a median of $252,700, with monthly rent averaging $858. The homeownership rate of 70.7% is higher than the national rate of 64.8%.

Educational attainment in Fremont County reflects 25.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 17.1 minutes each way.

Fremont County Population History (2010-2024)

The county of Fremont County had a population of 40,199 in 2010 and 39,721 in 2024, a -1.2% growth over 14 years. The peak was 41,029 in 2012. Average annual growth rate: -0.08%.

39,721

Population (2024)

40,199

Population (2010)

41,029

Peak (2012)

-0.08%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	40,199	-	-	estimate
2011	40,525	+326	+0.81%	estimate
2012	41,029	+504	+1.24%	estimate
2013	40,937	-92	-0.22%	estimate
2014	40,595	-342	-0.84%	estimate
2015	40,261	-334	-0.82%	estimate
2016	40,250	-11	-0.03%	estimate
2017	39,865	-385	-0.96%	estimate
2018	39,656	-209	-0.52%	estimate
2019	39,467	-189	-0.48%	estimate
2020	39,190	-277	-0.70%	estimate
2021	39,408	+218	+0.56%	estimate
2022	39,545	+137	+0.35%	estimate
2023	39,800	+255	+0.64%	estimate
2024	39,721	-79	-0.20%	estimate

Race & Ethnicity

White	71.8%
Black or African American	0.5%
Asian	0.4%
Hispanic or Latino (any race)	22.2%
Two or More Races	0.0%

Age & Sex

39.4

Median Age

49.3%

Female

50.7%

Male

19.7%

Age 65+

Age Distribution

Under 5

5.9%

5–9

7.3%

10–14

7.1%

15–19

7.1%

20–24

5.4%

25–34

11.3%

35–44

12.1%

45–54

10.7%

55–59

5.7%

60–64

7.7%

65–74

12.2%

75–84

5.7%

85+

1.8%

Children (under 15): 20.3% · Seniors (65+): 19.7%

Income & Poverty

Median household income	$64,646$-10,169 vs state
Mean household income	$82,157
Per-capita income	$32,717
Poverty rate	8.0%+0.9% vs state
Unemployment rate	4.9%
Employment-to-population	56.5%

Top Industries by Employment

Professional & business services

29.2%

Education & health care

10.4%

Agriculture

8.4%

Public administration

7.7%

Construction

7.4%

Finance & real estate

6.6%

Arts, entertainment & food

5.6%

Retail trade

5.2%

The largest employment sector in Fremont County is professional & business services, accounting for 29.2% of workers.

How residents commute

0.4%

Drive alone

4.1%

Carpool

75.8%

Public transit

9.1%

Work from home

17.1 min

Avg commute

Housing

$252,700$-32,400 vs state

Median home value

$858

Median rent

70.7%

Homeownership rate

17,471

Total housing units

84.8%

Occupied

15.2%

Vacant

29.3%

Renter-occupied

Social & access

81.4%

With health insurance

92.3%

With broadband internet

44.8%

Foreign-born

8.6%

Veterans (18+)

15.2%

With a disability

93.4%

Speak language other than English at home

Education

93.5%

High School+

25.3%

Bachelor's+

Largest cities in Wyoming

Cheyenne (64,976)Casper (58,754)Gillette (33,278)Laramie (31,848)Rock Springs (23,229)Sheridan (19,035)Evanston (11,803)Green River (11,679)Riverton (10,803)Jackson (10,746)All Wyoming cities →

Other counties in Wyoming

Laramie County (100,661)Natrona County (79,735)Campbell County (47,018)Sweetwater County (41,786)Albany County (37,713)Sheridan County (31,585)Park County (30,109)Teton County (23,358)Uinta County (20,605)Lincoln County (20,158)All Wyoming counties →

Part of Wyoming

Wyoming demographic profile All Wyoming data →

Metro areas in Wyoming

Cheyenne (100,661)Casper (79,735)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Fremont County, Wyoming has a population of 39,472 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in Wyoming. Population density is 4 people per square mile.

The population of Fremont County has declined 1.2% since 2010 (40,199 → 39,721), a -0.09% annualized rate.

The median household income in Fremont County, Wyoming is $64,646, with mean (average) household income of $82,157 and per-capita income of $32,717. 8.0% of residents live below the federal poverty level.

In Fremont County, the largest racial and ethnic groups are White (71.8%), Hispanic or Latino (22.2%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Fremont County, Wyoming is 39.4 years. Residents are 49.3% female and 50.7% male.

The median home value in Fremont County is $252,700 and median monthly rent is $858. 70.7% of occupied housing units are owner-occupied. The county has 17,471 total housing units, 15.2% of which are vacant.

The largest employment sector in Fremont County, Wyoming is professional, scientific, and management services, employing 29.2% of workers. The unemployment rate is 4.9%.

Cheyenne is among the largest cities associated with Fremont County, Wyoming, with a population of 64,976.