Agar town, South Dakota Demographics & Population 2026

Population Overview

Agar town is a small community located in South Dakota, within Sully County. The total population is 86. It ranks as the 320th most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Agar town is 64.5 years. This is 71% higher than the state median of 37.7 years. Only 8.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The poverty rate stands at 18.6%. This is 55% higher than the state poverty rate of 12.0%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. The median home value is $107,500. Housing costs are 55% lower than the state median of $236,800. 89.1% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 68.6%.

Race & Ethnicity

Agar town has a predominantly White (non-Hispanic) population, comprising 89.5% of all residents.

Education

26.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% 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 100.0%.

Data Sources & Methodology

All demographic data for Agar 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.