South Glastonbury CDP, Montana Demographics & Population 2026

Population Overview

South Glastonbury CDP is a small community located in Montana. The total population is 263. It ranks as the 219th most populous out of 470 cities and towns in Montana.

Age Demographics

The median age in South Glastonbury CDP is 60.0 years. This is 49% higher than the state median of 40.2 years. Only 2.3% of residents are under 18, indicating fewer families with children. 31.9% 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 South Glastonbury CDP is $58,750. This is 16% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 7.6%. This is 37% lower than the state poverty rate of 12.0%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.8%. The median home value is $457,900. Housing costs are 35% higher than the state median of $338,100. The home-value-to-income ratio of 7.8x suggests that housing affordability is a significant concern for many residents. 89.8% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 69.4%.

Race & Ethnicity

South Glastonbury CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

36.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% higher than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.3%. Notably, 30.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for South Glastonbury CDP, Montana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 470 Census-designated places in Montana. For official data, visit data.census.gov.