Twin Bridges, Montana Demographics & Population 2026

A note before these figures: with a population of 201, Twin Bridges'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

Twin Bridges is a small community located in Montana, within Madison County. The total population is 201. It ranks as the 251st most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Twin Bridges is 52.6 years. This is 30% higher than the state median of 40.4 years. 17.4% 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 Twin Bridges is $57,188. This is 21% lower than the state median of $72,509. It is also 29% lower than the national median of $80,734. The poverty rate stands at 11.9%. This is 4% higher than the state poverty rate of 11.5%. The survey records no unemployed residents in Twin Bridges, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $236,800. Housing costs are 37% lower than the state median of $375,800. The home-value-to-income ratio is 4.1x. 71.6% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 69.2%.

Race & Ethnicity

Twin Bridges has a predominantly White (non-Hispanic) population, comprising 94.5% of all residents.

Education

26.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% 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 93.8%.

Data Sources & Methodology

All demographic data for Twin Bridges, 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.