Sublette County, Wyoming Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Wyoming

The population of Sublette County, Wyoming is 8,806 as of the 2023 American Community Survey, making it the 16th-largest county in Wyoming. The median household income is $82,791, the median home value is $350,100, and the median age is 42.8.

The population of Sublette County has declined 12.6% since 2010 (10,262 → 8,965), a -0.96% annualized rate.

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

8,806

Population

-0.96%

Annual growth

People / sq mi

$82,791

Median Income

$350,100

Median Home Value

Sublette County covers 4,886 sq mi of land at 1.8 people per square mile.

About Sublette County, WY

Sublette County is a county in Wyoming with a population of 8,806. It ranks #16 among counties in Wyoming by population. The median age is 42.8, older than the national median. The population is 54.6% male and 45.4% female.

The median household income in Sublette County is $82,791, above the US median of $74,580. 6.6% of residents live below the federal poverty level. Home values sit at a median of $350,100, with monthly rent averaging $1,116. The homeownership rate of 81.1% is higher than the national rate of 64.8%.

Educational attainment in Sublette County reflects 31.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 13.6% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 23.0 minutes each way.

Sublette County Population History (2010-2024)

The county of Sublette County had a population of 10,262 in 2010 and 8,965 in 2024, a -12.6% growth over 14 years. The peak was 10,489 in 2012. Average annual growth rate: -0.90%.

8,965

Population (2024)

10,262

Population (2010)

10,489

Peak (2012)

-0.90%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	10,262	-	-	estimate
2011	10,194	-68	-0.66%	estimate
2012	10,489	+295	+2.89%	estimate
2013	10,190	-299	-2.85%	estimate
2014	10,170	-20	-0.20%	estimate
2015	10,064	-106	-1.04%	estimate
2016	9,997	-67	-0.67%	estimate
2017	9,778	-219	-2.19%	estimate
2018	9,827	+49	+0.50%	estimate
2019	9,867	+40	+0.41%	estimate
2020	8,740	-1,127	-11.42%	estimate
2021	8,729	-11	-0.13%	estimate
2022	8,767	+38	+0.44%	estimate
2023	8,991	+224	+2.56%	estimate
2024	8,965	-26	-0.29%	estimate

Race & Ethnicity

White	92.7%
Black or African American	0.0%
Asian	0.0%
Hispanic or Latino (any race)	0.9%
Two or More Races	0.0%

Age & Sex

42.8

Median Age

45.4%

Female

54.6%

Male

23.4%

Age 65+

Age Distribution

Under 5

4.8%

5–9

7.1%

10–14

6.1%

15–19

5.7%

20–24

4.4%

25–34

10.1%

35–44

13.0%

45–54

11.5%

55–59

6.9%

60–64

6.8%

65–74

13.8%

75–84

6.6%

85+

3.0%

Children (under 15): 18.0% · Seniors (65+): 23.4%

Income & Poverty

Median household income	$82,791+$7,976 vs state
Mean household income	$128,783
Per-capita income	$57,348
Poverty rate	6.6%-0.5% vs state
Unemployment rate	1.1%
Employment-to-population	62.0%

Top Industries by Employment

Agriculture

22.4%

Information

12.7%

Professional & business services

11.1%

Education & health care

9.9%

Retail trade

8.2%

Construction

6.7%

Finance & real estate

6.6%

Public administration

6.1%

The largest employment sector in Sublette County is agriculture, accounting for 22.4% of workers.

How residents commute

0.0%

Drive alone

3.7%

Carpool

66.5%

Public transit

13.6%

Work from home

23.0 min

Avg commute

Housing

$350,100+$65,000 vs state

Median home value

$1,116

Median rent

81.1%

Homeownership rate

5,239

Total housing units

71.0%

Occupied

29.0%

Vacant

18.9%

Renter-occupied

Social & access

90.3%

With health insurance

98.7%

With broadband internet

64.0%

Foreign-born

13.6%

Veterans (18+)

15.7%

With a disability

94.8%

Speak language other than English at home

Education

96.2%

High School+

31.1%

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)Fremont County (39,472)Albany County (37,713)Sheridan County (31,585)Park County (30,109)Teton County (23,358)Uinta County (20,605)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

Sublette County, Wyoming has a population of 8,806 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Wyoming. Population density is 2 people per square mile.

The population of Sublette County has declined 12.6% since 2010 (10,262 → 8,965), a -0.96% annualized rate.

The median household income in Sublette County, Wyoming is $82,791, with mean (average) household income of $128,783 and per-capita income of $57,348. 6.6% of residents live below the federal poverty level.

In Sublette County, the largest racial and ethnic groups are White (92.7%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Sublette County, Wyoming is 42.8 years. Residents are 45.4% female and 54.6% male.

The median home value in Sublette County is $350,100 and median monthly rent is $1,116. 81.1% of occupied housing units are owner-occupied. The county has 5,239 total housing units, 29.0% of which are vacant.

The largest employment sector in Sublette County, Wyoming is agriculture, forestry, fishing, and mining, employing 22.4% of workers. The unemployment rate is 1.1%.

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