Gallatin River Ranch, Montana Demographics & Population 2026

A note before these figures: with a population of 127, Gallatin River Ranch'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 River Ranch is a small community located in Montana, within Gallatin County. The total population is 127. It ranks as the 306th most populous out of 475 Census-designated places in Montana.

Age Demographics

The median age in Gallatin River Ranch is 68.4 years. This is 69% higher than the state median of 40.4 years. Only 8.7% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Gallatin River Ranch is $101,250. This is 40% higher than the state median of $72,509. It is also 25% higher than the national median of $80,734. The ACS records no residents below the poverty line in Gallatin River Ranch. 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 Gallatin River Ranch, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $1,375,000. Housing costs are 266% higher than the state median of $375,800. The home-value-to-income ratio of 13.6x suggests that housing affordability is a significant concern for many residents. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 69.2%.

Race & Ethnicity

Every resident counted in Gallatin River Ranch 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

62.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Gallatin River Ranch in the top 10% of all cities in the state for educational attainment. This is 79% higher than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 47.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Gallatin River Ranch, 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.