County · Wyoming
Crook County, Wyoming
Crook County, Wyoming. Crook County had 7,852 residents in 2025 by the Census Bureau's estimate, up 9.3% since 2020, faster than Wyoming (+2.1%). It holds 5 places (4 cities, villages and boroughs and 1 census-designated) and 2 census tracts. GEOID 56011.
Residents, July 2025 estimate
7,852
Census Bureau estimate (no margin published)
2020 Census count: 7,181 · ACS 2020-2024: 7,455
Median household income
$79,637
±$9,718 (90% margin)
Wyoming: $76,176
Median home value
$285,800
±$16,388 (90% margin)
Wyoming: $309,700
Median gross rent
$852
±$141 (90% margin)
Wyoming: $992
How many people live in Crook County, and is it growing?
The 2020 Census counted 7,181 residents in Crook County. The Census Bureau estimates 7,852 for July 1, 2025, up 9.3% since 2020, faster than Wyoming (+2.1%). The 2020-2024 American Community Survey puts the population at 7,455 over 2,854 square miles of land.
| Measure | Crook County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Total population | 7,455 | 582,397 | −17 |
| Households | 2,907±199 | 243,318 | no clear change |
| Average household size | 2.55±0.17 | 2.34 | no clear change |
| Housing units | 3,685±26 | 277,141 | no clear change |
Crook County's population since 2000
From 5,887 in 2000 to 7,852 in 2025: up 33.4%. 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.
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 Crook County?
Crook County holds 5 places: 4 cities, villages and boroughs (incorporated places) and 1 census-designated place. The largest is Sundance with 1,141 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
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 Crook County?
The median resident of Crook County is 44.1 years old; 24.6% are under 18 and 22.9% are 65 or older. The largest group is non-Hispanic white residents at 92.9%, then non-Hispanic residents of two or more races at 4.3%.
| Measure | Crook County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.1±0.7 | 39.1 | no clear change |
| Under 18 years | 24.6%±0.6 pts | 22.5% | – |
| 65 years and over | 22.9%±0.4 pts | 18.5% | – |
| Hispanic or Latino (any race) | 2.1% | 10.7% | – |
| White alone, not Hispanic | 92.9%±1.1 pts | 81.4% | −1.4 pts |
| Black or African American alone, not Hispanic | 0.0%±0.5 pts | 0.8% | – |
| Asian alone, not Hispanic | 0.2%±0.3 pts | 0.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.2 pts | 1.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.2%±0.2 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.3%±1.1 pts | 4.0% | – |
| Some other race alone, not Hispanic | 0.1%±0.2 pts | 0.7% | – |
| Born outside the United States | 1.1%±0.9 pts | 3.5% | – |
| Speak a language other than English at home (age 5+) | 3.3%±1.7 pts | 6.8% | – |
| Civilian veterans (age 18+) | 10.0%±2.5 pts | 9.0% | – |
| With a disability | 15.1%±2.6 pts | 14.1% | – |
| No health insurance coverage | 11.4%±3.4 pts | 11.3% | no clear change |
| High school graduate or higher (age 25+) | 93.0%±2.2 pts | 94.2% | – |
| Bachelor's degree or higher (age 25+) | 24.5%±4.3 pts | 30.6% | no clear change |
| Graduate or professional degree (age 25+) | 4.4%±1.8 pts | 11.5% | – |
| Moved from another state in the past year | 4.0%±1.8 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 Crook County earn?
Half of Crook County's 2,907 households earn less than $79,637 a year (±$9,718), against $76,176 in Wyoming. In 2015-2019 it was $80,158 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.0% of residents live below the poverty line.
| Measure | Crook County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $79,637±$9,718 | $76,176 | no clear change |
| Mean household income | $92,642±$6,759 | $100,641 | – |
| Per capita income | $38,009±$2,400 | $42,668 | no clear change |
| People below the poverty line | 6.0%±2.2 pts | 10.5% | no clear change |
| Children under 18 below the poverty line | 4.1%±4.5 pts | 11.7% | – |
| Households receiving SNAP | 0.6%±0.9 pts | 5.2% | – |
| Households with a broadband subscription | 85.1%±3.9 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 Crook County?
Owners occupy 78.1% of Crook County's occupied homes and renters 21.9%. The median owner-occupied home is valued at $285,800 by its owner (±$16,388). The median renter pays $852 a month including utilities, and 23.8% of renters pay 35% or more of their income on rent.
| Measure | Crook County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $285,800±$16,388 | $309,700 | no clear change |
| Median gross rent | $852±$141 | $992 | no clear change |
| Renters paying 35% or more of income on rent | 23.8%±15.3 pts | 33.8% | no clear change |
| Median monthly owner costs, with a mortgage | $1,776±$132 | $1,754 | – |
| Owner-occupied homes | 78.1%±5.9 pts | 71.8% | no clear change |
| Housing units | 3,685±26 | 277,141 | no clear change |
| Homeowner vacancy rate | 2.4%±2.7 pts | 0.9% | – |
| Rental vacancy rate | 6.3%±7.7 pts | 6.0% | – |
| Single-family detached homes | 78.0%±5.0 pts | 67.8% | – |
| Mobile homes | 15.8%±4.4 pts | 11.5% | – |
| Built 2020 or later | 1.9%±1.4 pts | 1.5% | – |
| Built 1939 or earlier | 8.8%±2.9 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 Crook County building?
Builders took permits for 17 new housing units across Crook County in 2025 (14 single-family), 2.2 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Crook County get to work?
72.4% of Crook County's workers drive alone and 11.2% work from home. The average trip to work takes 24.7 minutes.
| Measure | Crook County | Wyoming | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.6%±3.3 pts | 65.1% | – |
| Unemployment rate | 0.6%±1.0 pts | 3.7% | – |
| Drove alone to work | 72.4%±4.7 pts | 74.8% | – |
| Carpooled | 11.2%±4.2 pts | 9.4% | – |
| Public transportation | 0.0%±1.0 pts | 0.9% | – |
| Walked | 4.5%±2.5 pts | 3.6% | – |
| Worked from home | 11.2%±4.1 pts | 9.4% | no clear change |
| Mean travel time to work | 24.7 min±2.7 | 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 Crook County's census tracts?
Crook County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $72,188 (Tract 9503) to $80,786 (Tract 9502).
| Tract 950256011950200 | 4,742±380 | $80,786 |
|---|---|---|
| Tract 950356011950300 | 2,713±380 | $72,188 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Crook County compare with Wyoming's other counties?
| Measure | Rank |
|---|---|
| Population | 20th of 23 |
| Growth 2020-2025 | 1st of 23 |
| Residents per square mile | 18th of 23 |
| Median household income | 9th of 23 |
| Median home value | 12th of 23 |
| Median gross rent | 16th of 23 |
| Poverty rate | 22nd of 23 |
| Bachelor's degree or higher | 13th of 23 |
| Median age | 6th of 23 |
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 Crook 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.