Brentford town, South Dakota Demographics & Population 2026

Population Overview

Brentford town is a small community located in South Dakota, within Spink County. The total population is 84. It ranks as the 323rd most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Brentford town is 45.7 years. This is 21% higher than the state median of 37.7 years. 16.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 23.8%. This is 98% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. 93.0% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 68.6%.

Race & Ethnicity

Brentford town has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

25.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 17% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 80.3%.

Data Sources & Methodology

All demographic data for Brentford town, South Dakota 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 South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. For official data, visit data.census.gov.