Sylvanite, Montana Demographics & Population 2026

A note before these figures: with a population of 145, Sylvanite'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

Sylvanite is a small community located in Montana, within Lincoln County. The total population is 145. It ranks as the 287th most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Sylvanite is 68.1 years. This is 69% higher than the state median of 40.4 years. 22.8% 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 Sylvanite is $61,000. This is 16% lower than the state median of $72,509. It is also 24% lower than the national median of $80,734. The ACS records no residents below the poverty line in Sylvanite. 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 survey records no unemployed residents in Sylvanite, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $400,000. Housing costs are 6% higher than the state median of $375,800. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 76.5% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 69.2%.

Race & Ethnicity

The largest racial or ethnic group in Sylvanite is White (non-Hispanic), making up 81.4% of the population. Hispanic or Latino residents account for 2.1%. The Hispanic or Latino population (2.1%) is well below the state average of 4.6%.

Education

23.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% 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 97.9%.

Data Sources & Methodology

All demographic data for Sylvanite, 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.