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Martin city, SD
ZIP 57551 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Working ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 57551
57551 has a population of 2,026 with a median age of 35.7 yrs (47.3% male).
Health & Community Indicators in 57551
Historical Trends in 57551 (2020–Present)
Since 2020, population declined 18.7%, median income rose 5.1% (inflation-adjusted), home values increased 32.4%.
People & Community key statistics
| Population | |
|---|---|
| Population | 2,026 |
| Median age | 35.7 |
| Poverty rate | 23.9% |
| Demographics | |
|---|---|
| White | 56.9% |
| Hispanic | 3.1% |
| Black | 0.3% |
| Asian | 2.7% |
| Foreign-born | 88.5% |