Wyoming Demographics 2026: Population, Income, Race & Trends Explained, Population Review

Population & Growth

Wyoming's 579,761 residents make it the 51st-most populous US state. Over the long term, the state has been gaining population — +302.6% from 1910 to 2024.

Population density: 6 people per square mile. By comparison, the US national average is roughly 94/sq mi, while New Jersey leads with ~1,260/sq mi and Alaska is the lowest at ~1.3/sq mi.

Race & Ethnicity

By Census ACS classification, Wyoming is:

86.0% White (alone)
0.9% Black or African American
0.1% Asian
3.9% Hispanic or Latino (any race)
0.0% two or more races

Hispanic/Latino is counted as an ethnicity separate from race under Census methodology, so totals can exceed 100% in some breakdowns. The full racial composition (including Native Hawaiian, American Indian, etc.) is available on the Wyoming state page.

Income & Economy

Median household income in Wyoming is $74,815, with per-capita income at $41,006. 7.1% of residents live below the federal poverty line. Unemployment rate: 2.4%.

Income is concentrated in metro counties — see the county-level rankings on the cities ranking page and counties ranking page for sub-state variation.

Age & Households

Median age in Wyoming: 38.8 years (US median ~39). The population is 51.2% male and 48.8% female.

Largest Cities in Wyoming

Cheyenne city — population 64,976
Casper city — population 58,754
Gillette city — population 33,278
Laramie city — population 31,848
Rock Springs city — population 23,229

Largest Counties in Wyoming

Laramie County — population 100,661
Natrona County — population 79,735
Campbell County — population 47,018
Sweetwater County — population 41,786
Fremont County — population 39,472

How Wyoming Compares Nationally

By population: ranked 51st of 50 states. By median household income: see the richest states ranking. By population growth: see fastest growing states. By cost of living: see cheapest states to live.

See the complete Wyoming state page with full demographic breakdown, age pyramid, languages, education, housing, and commute data →

Frequently Asked Questions

Wyoming has a population of 579,761 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, ranking 51st among the 50 states. Population density is 6 people per square mile.

Wyoming is gaining population, with a +302.6% change since 1910 (145,965 → 579,761). This is reported via Census ACS rolling 5-year estimates; for monthly/annual estimates between Census years, see the Census Population Estimates Program.

86.0% of Wyoming's population identifies as White, 0.9% as Black or African American, 0.1% as Asian, and 3.9% as Hispanic or Latino (any race). Hispanic/Latino is counted as an ethnicity separate from race under Census methodology, so totals may exceed 100%.

Median household income in Wyoming is $74,815 per the 2023 ACS. Per-capita income: $41,006. 7.1% of residents live below the federal poverty line.

The median age in Wyoming is 38.8 years. The population is 51.2% male and 48.8% female. Age distribution and population pyramids by 5-year age bands are visible on the Wyoming state page.

The largest cities in Wyoming by population: Cheyenne city (64,976), Casper city (58,754), Gillette city (33,278), Laramie city (31,848), Rock Springs city (23,229).

California is the most populous US state at roughly 39 million, followed by Texas (~30M), Florida (~22M), New York (~20M), and Pennsylvania (~13M). Wyoming ranks 51st. Detailed rankings update each ACS release cycle.

Across recent Census Population Estimates, West Virginia, Mississippi, Louisiana, and Illinois have shown the largest sustained population declines. Wyoming's own trend is gaining. National state-by-state rankings are published annually by the Census Population Estimates Program.

All demographic data on this page comes from the US Census Bureau American Community Survey (ACS) 5-year estimates, currently the 2023 release. Historical population figures use Census Population Estimates Program annual estimates. Data is public domain and freely available at census.gov.