Demographics & People — Arlington, South Dakota

Population Overview

Population (Census)833
Estimated 2026~1,200
Median Age40.1
Total Households356
Family Households233
Average Household Size2.21
Diversity IndexN/A (N/A)

Race & Ethnicity

White824
Black or African American0
Asian0
Hispanic or Latino10

Heritage & Ancestry

GroupCount
German421
Norwegian209
Unclassified or not reported131
Irish95
Danish58
Belgian58
English47
Other groups26
Swedish24
Polish23

Language

English Only731
Spanish0
Population 5+740

Veterans

Veterans50
Population 18+629
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Arlington, South Dakota.