County · Wyoming

Fremont County, Wyoming

Fremont County, Wyoming. Fremont County had 39,464 residents in 2025 by the Census Bureau's estimate, up 0.6% since 2020, slower than Wyoming (+2.1%). It holds 14 places (6 cities, villages and boroughs and 8 census-designated) and 12 census tracts. GEOID 56013.

Fremont County is the county of the Riverton, WY micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

39,464

Census Bureau estimate (no margin published)
2020 Census count: 39,234 · ACS 2020-2024: 39,533

Median household income

$64,904

±$2,606 (90% margin)
Wyoming: $76,176

Median home value

$268,800

±$12,005 (90% margin)
Wyoming: $309,700

Median gross rent

$898

±$38 (90% margin)
Wyoming: $992

How many people live in Fremont County, and is it growing?

The 2020 Census counted 39,234 residents in Fremont County. The Census Bureau estimates 39,464 for July 1, 2025, up 0.6% since 2020, slower than Wyoming (+2.1%). The 2020-2024 American Community Survey puts the population at 39,533 over 9,184 square miles of land.

July 2020→2021 +209 (39,401)
2021→2022 +118 (39,519)
2022→2023 +235 (39,754)
2023→2024 −90 (39,664)
2024→2025 −200 (39,464)

Fremont County in Wyoming. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Fremont County	Wyoming	Change since 2015-2019
Total population	39,533	582,397	−279
Households	15,037±249	243,318	no clear change
Average household size	2.56±0.04	2.34	no clear change
Housing units	17,469±45	277,141	−541

Fremont County's population since 2000

From 35,804 in 2000 to 39,464 in 2025: up 10.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 35,804
2005 (estimate) 36,838
2010 Census 40,123
2015 (estimate) 40,261
2020 Census 39,234
2025 (estimate) 39,464

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Fremont County?

Fremont County holds 14 places: 6 cities, villages and boroughs (incorporated places) and 8 census-designated places. The largest is Riverton with 10,910 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Fremont County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Riverton	city	10,682	10,856±26	$55,208	$219,400	11.9%	100%
Lander	city	7,546	7,432±37	$74,813	$337,100	9.5%	100%
Fort Washakie	CDP	1,650	1,219±188	$36,875	$92,800	32.3%	100%
Arapahoe	CDP	1,612	1,240±223	$70,000	$183,900	18.1%	100%
Ethete	CDP	1,393	1,326±241	$80,833	$118,800	15.5%	100%
Dubois	town	911	801±182	$59,571	$303,600	10.6%	100%
ShoshoniGEOID 5670570	town	471	677±205	$57,096	$112,500	17.3%	100%
Boulder Flats	CDP	450	564±128	$83,929	$258,300	20.9%	100%
Hudson	town	431	401±113	$50,000	$189,400	12.5%	100%
Pavillion	town	230	318±71	$51,563	$125,000	20.4%	100%
JohnstownGEOID 5640945	CDP	227	253±99	$41,875	not published	26.5%	100%
CrowheartGEOID 5618225	CDP	120	115±47	$101,719	$226,100	0.0%	100%
Atlantic CityGEOID 5604015	CDP	54	27±34	not published	not published	33.3%	100%
Jeffrey CityGEOID 5640555	CDP	47	0±13	not published	not published	–	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Fremont County?

The median resident of Fremont County is 39.7 years old; 24.5% are under 18 and 20.0% are 65 or older. The largest group is non-Hispanic white residents at 68.7%, then non-Hispanic American Indian and Alaska Native residents at 17.5%. 1.7% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Fremont County	Wyoming	Change since 2015-2019
Median age	39.7±0.5	39.1	+1.0
Under 18 years	24.5%	22.5%	–
65 years and over	20.0%±0.1 pts	18.5%	–
Hispanic or Latino (any race)	6.9%	10.7%	no clear change
White alone, not Hispanic	68.7%±0.7 pts	81.4%	−1.0 pts
Black or African American alone, not Hispanic	0.5%±0.1 pts	0.8%	no clear change
Asian alone, not Hispanic	0.3%±0.2 pts	0.8%	–
American Indian and Alaska Native alone, not Hispanic	17.5%±0.6 pts	1.6%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.1%±0.1 pts	0.1%	–
Two or more races, not Hispanic	5.1%±0.7 pts	4.0%	–
Some other race alone, not Hispanic	0.8%±0.6 pts	0.7%	–
Born outside the United States	1.7%±0.5 pts	3.5%	no clear change
Speak a language other than English at home (age 5+)	5.7%±0.9 pts	6.8%	–
Civilian veterans (age 18+)	8.3%±1.0 pts	9.0%	–
With a disability	15.4%±1.1 pts	14.1%	–
No health insurance coverage	17.5%±1.6 pts	11.3%	no clear change
High school graduate or higher (age 25+)	93.7%±0.9 pts	94.2%	–
Bachelor's degree or higher (age 25+)	26.5%±1.5 pts	30.6%	+2.2 pts
Graduate or professional degree (age 25+)	10.4%±1.0 pts	11.5%	–
Moved from another state in the past year	4.1%±0.9 pts	4.7%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Fremont County earn?

Half of Fremont County's 15,037 households earn less than $64,904 a year (±$2,606), against $76,176 in Wyoming. In 2015-2019 it was $68,791 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.8% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Fremont County	Wyoming	Change since 2015-2019
Median household income	$64,904±$2,606	$76,176	no clear change
Mean household income	$81,945±$2,995	$100,641	–
Per capita income	$32,793±$1,121	$42,668	−$2,065
People below the poverty line	12.8%±1.4 pts	10.5%	no clear change
Children under 18 below the poverty line	16.7%±3.0 pts	11.7%	no clear change
Households receiving SNAP	8.1%±1.0 pts	5.2%	–
Households with a broadband subscription	88.8%±1.5 pts	89.4%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Fremont County?

Owners occupy 70.1% of Fremont County's occupied homes and renters 29.9%. The median owner-occupied home is valued at $268,800 by its owner (±$12,005). The median renter pays $898 a month including utilities, and 28.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Fremont County	Wyoming	Change since 2015-2019
Median home value (owner-occupied)	$268,800±$12,005	$309,700	+$27,092
Median gross rent	$898±$38	$992	−$73
Renters paying 35% or more of income on rent	28.8%±4.9 pts	33.8%	no clear change
Median monthly owner costs, with a mortgage	$1,629±$82	$1,754	–
Owner-occupied homes	70.1%±2.2 pts	71.8%	no clear change
Housing units	17,469±45	277,141	−541
Homeowner vacancy rate	0.8%±0.7 pts	0.9%	–
Rental vacancy rate	3.8%±1.8 pts	6.0%	–
Single-family detached homes	70.5%±2.1 pts	67.8%	–
Mobile homes	17.2%±1.5 pts	11.5%	–
Built 2020 or later	0.5%±0.2 pts	1.5%	–
Built 1939 or earlier	9.1%±1.4 pts	10.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Fremont County building?

Builders took permits for 21 new housing units across Fremont County in 2025 (11 single-family), 0.5 per 1,000 residents.

2019 13 units
2020 19 units
2021 20 units
2022 39 units
2023 21 units
2024 14 units
2025 21 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Fremont County get to work?

73.9% of Fremont County's workers drive alone and 9.7% work from home. The average trip to work takes 17.2 minutes. The unemployment rate in 2020-2024 averaged 7.4%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Fremont County	Wyoming	Change since 2015-2019
In the labor force (age 16+)	61.2%±1.4 pts	65.1%	–
Unemployment rate	7.4%±1.2 pts	3.7%	+1.5 pts
Drove alone to work	73.9%±2.1 pts	74.8%	–
Carpooled	9.6%±1.4 pts	9.4%	–
Public transportation	0.8%±0.5 pts	0.9%	–
Walked	4.0%±1.2 pts	3.6%	–
Worked from home	9.7%±1.2 pts	9.4%	+2.6 pts
Mean travel time to work	17.2 min±0.9	18.8 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Fremont County's census tracts?

Fremont County is divided into 12 census tracts. Among those with a reliable estimate, median household income runs from $47,417 (Tract 9403.01) to $96,250 (Tract 3.01).

Census tracts of Fremont County, ACS 2020-2024 5-year estimates; sort by any column

Tract 156013000100	Lander (78%)	3,976	3,857±389	$61,149	$311,100	$938	13.0%
Tract 256013000200	Lander (93%)	3,620	3,429±388	$76,947	$351,200	$881	6.0%
Tract 3.0156013000301	Jeffrey City (5%)	2,653	2,970±470	$96,250	$396,400	$702	5.9%
Tract 3.0256013000302	Shoshoni (6%)	1,621	1,856±295	$79,301	$214,700	$919	12.2%
Tract 456013000400	Dubois (23%)	1,783	1,605±234	$66,250	$375,600	$886	6.6%
Tract 940156013940100	Fort Washakie (8%)	3,529	3,221±254	$63,380	$106,500	$588	24.0%
Tract 9402.0156013940201	Pavillion (7%)	4,079	4,385±375	$67,457	$277,300	$1,100	9.4%
Tract 9402.0256013940202	Arapahoe (13%)	4,648	4,898±402	$68,714	$269,300	$497	20.1%
Tract 9403.0156013940301	Riverton (74%)	1,859	1,676±240	$47,417	not published	$990	15.4%
Tract 9403.0256013940302	Riverton (68%)	3,322	3,319±287	$53,831	$205,200	$1,118	17.8%
Tract 940456013940400	Riverton (64%)	5,783	5,690±344	$63,378	$258,600	$931	8.6%
Tract 940556013940500	Riverton	2,361	2,627±304	$51,875	$191,300	$796	13.5%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Fremont County compare with Wyoming's other counties?

Fremont County's rank among Wyoming's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	5th of 23
Growth 2020-2025	14th of 23
Residents per square mile	10th of 23
Median household income	17th of 23
Median home value	15th of 23
Median gross rent	13th of 23
Poverty rate	5th of 23
Bachelor's degree or higher	10th of 23
Median age	17th of 23

Every county in Wyoming

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Fremont County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.