Opheim, Montana Demographics & Population 2026

A note before these figures: with a population of 86, Opheim'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

Opheim is a small community located in Montana, within Valley County. The total population is 86. It ranks as the 337th most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Opheim is 50.8 years. This is 26% higher than the state median of 40.4 years. 23.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Opheim is $46,500. This is 36% lower than the state median of $72,509. It is also 42% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 39% lower than the state poverty rate of 11.5%. The survey records no unemployed residents in Opheim, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $48,600. Housing costs are 87% lower than the state median of $375,800. With a home-value-to-income ratio of just 1.0x, Opheim is one of the most affordable housing markets in the area. 85.7% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 69.2%.

Race & Ethnicity

Opheim has a predominantly White (non-Hispanic) population, comprising 96.5% of all residents.

Education

9.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 73% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.1%.

Data Sources & Methodology

All demographic data for Opheim, Montana 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 Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in Montana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.