Marysville, Montana Demographics & Population 2026

A note before these figures: with a population of 160, Marysville'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

Marysville is a small community located in Montana, within Lewis and Clark County. The total population is 160. It ranks as the 272nd most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Marysville is 55.1 years. This is 36% higher than the state median of 40.4 years. With 30.0% of the population under 18, Marysville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Marysville is $99,167. This is 37% higher than the state median of $72,509. It is also 23% higher than the national median of $80,734. The poverty rate stands at 3.8%. This is 67% lower than the state poverty rate of 11.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Marysville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $287,500. Housing costs are 23% lower than the state median of $375,800. With a home-value-to-income ratio of just 2.9x, Marysville is one of the most affordable housing markets in the area. 74.1% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 69.2%.

Race & Ethnicity

Every resident counted in Marysville was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

50.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Marysville in the top 10% of all cities in the state for educational attainment. This is 45% higher 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 86.1%.

Data Sources & Methodology

All demographic data for Marysville, 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.