Casper Mountain, Wyoming Demographics & Population 2026

A note before these figures: with a population of 435, Casper Mountain'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

Casper Mountain is a small community located in Wyoming, within Natrona County. The total population is 435. It ranks as the 93rd most populous out of 192 Census-designated places in Wyoming.

Age Demographics

The median age in Casper Mountain is 53.5 years. This is 37% higher than the state median of 39.1 years. Only 9.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Casper Mountain is $107,895. This is 42% higher than the state median of $76,176. It is also 34% higher than the national median of $80,734. The ACS records no residents below the poverty line in Casper Mountain. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The unemployment rate is 4.0%. This is 7% higher than the state rate of 3.7%. The median home value is $537,300. Housing costs are 73% higher than the state median of $309,700. The home-value-to-income ratio is 5.0x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 71.8%.

Race & Ethnicity

Casper Mountain has a predominantly White (non-Hispanic) population, comprising 96.8% of all residents.

Education

59.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Casper Mountain in the top 10% of all cities in the state for educational attainment. This is 94% higher than the state rate of 30.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 15.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Casper Mountain, 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.