Boulder Flats, Wyoming Demographics & Population 2026

A note before these figures: with a population of 564, Boulder Flats's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Boulder Flats is a small community located in Wyoming, within Fremont County. The total population is 564. It ranks as the 81st most populous out of 192 Census-designated places in Wyoming.

Age Demographics

The median age in Boulder Flats is 33.7 years. This is 14% lower than the state median of 39.1 years. With 30.0% of the population under 18, Boulder Flats has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Boulder Flats is $83,929. This is 10% higher than the state median of $76,176. It is also 4% higher than the national median of $80,734. The poverty rate stands at 20.9%. This is 98% higher than the state poverty rate of 10.5%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 16.5%. This is 344% higher than the state rate of 3.7%. The median home value is $258,300. Housing costs are 17% lower than the state median of $309,700. The home-value-to-income ratio is 3.1x. 84.5% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 71.8%.

Race & Ethnicity

Boulder Flats is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 3.0%. The White (non-Hispanic) population (26.8%) is well below the state average of 81.3%. The Black or African American population is significantly higher than the state average (1.4% vs 0.8%). The Hispanic or Latino population (3.0%) is well below the state average of 10.7%.

Education

28.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% lower than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.8%.

Data Sources & Methodology

All demographic data for Boulder Flats, Wyoming is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wyoming state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 192 Census-designated places in Wyoming. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.