Demographics of Big Horn County, Wyoming

Big Horn County, Wyoming had 12,024 people on July 1, 2025, by the Census Bureau’s estimate: +544 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Big Horn County, in four figures

12,024
Population: July 1, 2025, Vintage 2025 estimate.; +4.7%
Change since July 2020: +544 people.; 41.7 ±0.7
Median age: ACS 2020–⁠2024.; $62,101 ±$3,769
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Big Horn County, Wyoming's population grew 4.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Big Horn County, Wyoming's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Big Horn County, Wyoming's population grew 4.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Big Horn County, Wyoming's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	11,480	100.0	100.0
2021	11,644	101.4	100.2
2022	11,870	103.4	100.7
2023	12,034	104.8	101.6
2024	12,014	104.7	102.5
2025	12,024	104.7	103.1

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Population of Big Horn County, Wyoming on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	11,480	−39	−10	0	−28
2021	11,644	+164	−48	0	+216
2022	11,870	+226	−57	+3	+270
2023	12,034	+164	+6	+6	+151
2024	12,014	−20	−19	+11	−11
2025	12,024	+10	−23	+9	+24

Age, 2020–2024

The median age is 41.7 ±0.7: for men 41.8 ±1.4 and for women 41.6 ±1.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Big Horn County by age, ACS 2020–2024
Age	People	Share	Wyoming	United States
Under 5	633 ±37	5.4% ±0.3	5.4% ±0.1	5.6% ±<0.1
5 to 17	2,269 ±155	19.2% ±1.3	17.2% ±0.3	16.3% ±<0.1
18 to 24	777 ±140	6.6% ±1.2	9.0% ±0.2	9.1% ±<0.1
25 to 44	2,659 ±177	22.5% ±1.5	26.1% ±0.3	26.9% ±<0.1
45 to 64	2,919 ±194	24.7% ±1.6	23.8% ±0.3	24.8% ±<0.1
65 and over	2,571 ±234	21.7% ±2.0	18.5% ±0.3	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $62,101 ±$3,769, and income per person $32,991 ±$2,649, in 2024 dollars. The median is $76,176 ±$1,168 in Wyoming and $80,734 ±$166 in the United States.

Households by income

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Households in Big Horn County by income, ACS 2020–2024
Household income	Households	Share	Wyoming	United States
Under $25,000	842 ±181	18.9% ±4.0	14.3% ±0.6	14.6% ±<0.1
$25,000 to $49,999	853 ±174	19.1% ±3.8	18.0% ±0.6	16.7% ±<0.1
$50,000 to $74,999	962 ±173	21.6% ±3.8	17.0% ±0.6	15.5% ±<0.1
$75,000 to $99,999	637 ±129	14.3% ±2.8	13.7% ±0.5	12.6% ±<0.1
$100,000 to $149,999	672 ±125	15.1% ±2.7	18.9% ±0.6	17.5% ±<0.1
$150,000 to $199,999	313 ±111	7.0% ±2.5	9.5% ±0.5	9.6% ±<0.1
$200,000 or more	181 ±68	4.1% ±1.5	8.5% ±0.5	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Big Horn County by age, ACS 2020–2024
Age	Below poverty	Rate	Wyoming	United States
All ages	1,470 ±305	12.7% ±2.6	10.5% ±0.6	12.5% ±0.1
Under 18	482 ±132	16.8% ±4.4	11.7% ±0.9	16.1% ±0.1
18 to 59	661 ±154	12.0% ±2.7	10.8% ±0.6	11.6% ±0.1
60 and over	327 ±85	10.4% ±2.6	8.8% ±0.6	11.0% ±<0.1

Housing, 2020–2024

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Housing in Big Horn County, ACS 2020–2024
Measure	Big Horn County	Wyoming	United States
Housing units	5,372 ±33	277,141 ±187	143,775,355 ±10,234
Occupied	83.0% ±3.6	87.8% ±0.5	89.9% ±0.1
Vacant	17.0% ±3.5	12.2% ±0.6	10.1% ±0.1
Owner occupied	75.9% ±2.6	71.8% ±0.6	65.2% ±0.3
Renter occupied	24.1% ±3.2	28.2% ±0.6	34.8% ±0.1
Median home value	$216,500 ±$19,899	$309,700 ±$3,824	$332,700 ±$236
Median gross rent	$823 ±$114	$992 ±$17	$1,413 ±$2
Median year built	1968 ±5	1981 ±2	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Big Horn County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wyoming	United States
Hispanic or Latino	1,143 ±0	9.7% ±<0.1	10.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	10,053 ±81	85.0% ±0.7	81.4% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	31 to 127	0.3% to 1.1%	0.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	20 to 98	0.2% to 0.8%	0.8% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	10 to 58	0.1% to 0.5%	1.6% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	26 to 98	0.2% to 0.8%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1 to 71	< 0.1% to 0.6%	0.7% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	362 ±98	3.1% ±0.8	4.0% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Big Horn County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wyoming	United States
Born in the state	5,835 ±355	49.3% ±3.0	41.6% ±0.6	57.3% ±<0.1
Born in another state	5,381 ±309	45.5% ±2.6	54.0% ±0.6	26.9% ±<0.1
Born a citizen outside the states	113 to 355	1.0% to 3.0%	0.9% ±0.1	1.7% ±<0.1
Born abroad	378 ±127	3.2% ±1.1	3.5% ±0.2	14.1% ±<0.1
Naturalized citizens	186 ±83	1.6% ±0.7	1.6% ±0.1	7.4% ±<0.1
Not citizens	94 to 290	0.8% to 2.5%	1.9% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Big Horn County among the counties of Wyoming

15th of 23 by population, July 2025. Every one is listed on the Wyoming page.

Counties of Wyoming near Big Horn County in population, July 2025
County	July 2025	Change since 2020
Lincoln County	21,180	+7.8%
Uinta County	20,728	+1.3%
Carbon County	14,013	−3.4%
Converse County	13,824	+0.6%
Goshen County	12,640	+1.0%
Big Horn County	12,024	+4.7%
Sublette County	8,929	+2.2%
Johnson County	8,908	+5.2%
Platte County	8,634	< +0.1%
Crook County	7,852	+9.3%
Washakie County	7,597	−0.8%

Elsewhere on the site

Rankings this appears in

No. 2 Counties in Wyoming by poverty rate
No. 3 Counties in Wyoming by homeownership rate
No. 4 Counties in Wyoming by foreign-born share
No. 5 Counties in Wyoming by median rent
No. 6 Counties by population growth in Wyoming
No. 7 Counties in Wyoming by median age

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026