Gallatin Gateway, Montana Demographics & Population 2026

A note before these figures: with a population of 933, Gallatin Gateway'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

Gallatin Gateway is a small community located in Montana, within Gallatin County. The total population is 933. It ranks as the 102nd most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Gallatin Gateway is 49.8 years. This is 23% higher than the state median of 40.4 years. 10.1% 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 Gallatin Gateway is $82,500. This is 14% higher than the state median of $72,509. It is also 2% higher than the national median of $80,734. The poverty rate stands at 9.8%. This is 15% lower than the state poverty rate of 11.5%. The unemployment rate is 4.6%. This is 27% higher than the state rate of 3.6%. The median home value is $814,400. Housing costs are 117% higher than the state median of $375,800. The home-value-to-income ratio of 9.9x suggests that housing affordability is a significant concern for many residents. 91.5% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 69.2%.

Race & Ethnicity

Gallatin Gateway has a predominantly White (non-Hispanic) population, comprising 86.8% of all residents. Hispanic or Latino residents account for 7.0%. The Hispanic or Latino population is significantly higher than the state average (7.0% vs 4.6%). The Asian population (0.3%) is well below the state average of 0.8%.

Education

34.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% 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 93.5%.

Data Sources & Methodology

All demographic data for Gallatin Gateway, 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.