Big Horn County Population

1900–2026

12,034

2026 projection

4.8% since 2020 (increase)

02K4K6K8K10K12K14K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Big Horn County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202612,034+100.08%
202512,024+100.08%
202412,014-200.17%
202312,034+1641.38%
202211,870+2261.94%
202111,644+1641.43%
202011,480-2662.26%
201911,746-1411.19%
201811,887-10.01%
201711,888-610.51%

Showing 10 of 27 years.

Big Horn County Demographics

41.7median age

Median age

Female41.6 yrs
Male41.8 yrs

Adults

8,926
2,571 seniors (65+) · 29% of adults6,355 other adults

Sex

Female 49.1% · 5,811Male 50.9% · 6,017

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 118 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Big Horn County Income

$62,101median household income

Median household income

$62,101

Half of households earn more, half earn less

Median earnings

$40,000

Typical yearly pay for a worker 25 or older.

Poverty rate

12.7%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Big Horn County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%52%52%
Never married27%30%24%
Divorced12%13%11%
Widowed8%4%11%
Separated2%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201