Crook County, Wyoming

Crook County population, land area and income

Crook County had 7,775 residents in the Census Vintage 2024 estimate, on 2,854.5 square miles of land. It ranks 19th of 23 in Wyoming by population and 14th by land area. That works out to 2.7 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; Crook County is somewhat smaller.

Its SAIPE 2023 median household income of $77,897 is in the top quarter among 3,143 counties with an estimate.

How Crook County's population changed since 2020

Crook County gained 596 residents between the July 2020 and July 2024 estimates, a rise of 8.3%. That ranks 1st 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, Crook County recorded 396 births and 383 deaths, a natural change of +13. Net international migration added +7 and net domestic migration, people moving to or from other US counties, came to +579. The largest single component was domestic migration, which added 579 people.

Where Crook County is

The Census internal point of Crook County is at 44.589300, -104.567300. 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 Crook County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Crook County

2 incorporated places of 1,000+ people have residents in Crook County, 2,148 people together, or 28% of the county. Each figure counts only the part of the town inside Crook County; towns marked "part" extend into another county. The largest is Sundance with 1,123.

Counties bordering Crook County

The Census 2024 county adjacency file lists 6 neighbors for Crook County, including 4 across a state line. The most populous is Campbell County, WY, with 47,946 residents. Distances run between Census internal points in a straight line.

• Campbell County

  47,946 people

  54 mi WSW

• SD

  Lawrence County, SD

  28,809 people

  41 mi ESE

• SD

  Butte County, SD

  10,891 people

  56 mi ENE

• Weston County

  6,866 people

  51 mi S

• MT

  Powder River County, MT

  1,734 people

  74 mi NW

• MT

  Carter County, MT

  1,399 people

  64 mi N

Distance to Cheyenne and the nearest big city

Cheyenne is 238.7 miles S of Crook County's internal point in a straight line. The nearest place of 100,000 or more is Billings, MT (population 121,483), 211.0 miles away. The nearest place of 10,000 or more is Spearfish, SD (population 13,803), 37.6 miles away.

Crook County FIPS code

The FIPS code of Crook County is 56011: state code 56 for Wyoming plus county code 011. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $77,897.