Big Horn County, Wyoming

Big Horn County population, land area and income

Big Horn County had 12,084 residents in the Census Vintage 2024 estimate, on 3,137.0 square miles of land. It ranks 15th of 23 in Wyoming by population and 13th by land area. That works out to 3.9 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Wyoming has 14,250 residents; Big Horn County is somewhat smaller.

Its SAIPE 2023 median household income of $60,818 is below the national county median among 3,143 counties with an estimate.

How Big Horn County's population changed since 2020

Big Horn County gained 605 residents between the July 2020 and July 2024 estimates, a rise of 5.3%. That ranks 5th of 23 in Wyoming for growth. The median Wyoming county changed by +0.9%, and the state as a whole by +1.7%.

Since the April 2020 estimates base, Big Horn County recorded 565 births and 645 deaths, a natural change of -80. Net international migration added +37 and net domestic migration, people moving to or from other US counties, came to +601. The largest single component was domestic migration, which added 601 people.

Where Big Horn County is

The Census internal point of Big Horn County is at 44.525100, -107.994800. It sits in UTM zone 13N. The map shades Wyoming's 23 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Big Horn County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Big Horn County

3 incorporated places of 1,000+ people have residents in Big Horn County, 5,418 people together, or 45% of the county. Each figure counts only the part of the town inside Big Horn County; towns marked "part" extend into another county. The largest is Lovell with 2,366.

Counties bordering Big Horn County

The Census 2024 county adjacency file lists 6 neighbors for Big Horn County, including 2 across a state line. The most populous is Sheridan County, WY, with 32,978 residents. Distances run between Census internal points in a straight line.

• Sheridan County

  32,978 people

  58 mi ENE

• Park County

  31,082 people

  79 mi W

• MT

  Big Horn County, MT

  12,796 people

  65 mi NNE

• MT

  Carbon County, MT

  11,498 people

  70 mi NW

• Johnson County

  8,803 people

  77 mi ESE

• Washakie County

  7,662 people

  47 mi SSE

Distance to Cheyenne and the nearest big city

Cheyenne is 283.8 miles SE of Big Horn County's internal point in a straight line. The nearest place of 100,000 or more is Billings, MT (population 121,483), 91.4 miles away. The nearest place of 10,000 or more is Cody, WY (population 10,391), 52.3 miles away.

Big Horn County FIPS code

The FIPS code of Big Horn County is 56003: state code 56 for Wyoming plus county code 003. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $60,818.