Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.2 yrs |
|---|---|
| Avg HH Size | 2.40 |
| Below Poverty | 6.6% ▼ 34% below avg |
| College Grads | 49.8% ▲ 29% above avg |
| Unemployment | 3.4% ▼ 30% below avg |
| No HS Diploma | 33 (0.3%) |
| HS Graduate | 2,969 (25.3%) |
| Some College | 1,462 (12.5%) |
| Associates | 1,425 (12.2%) |
| Bachelors | 1,547 (13.2%) |
| Graduate Degree | 4,292 (36.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $87,516 ▲ 15% above avg |
|---|---|
| Median Home Value | $307,747 ▲ 10% above avg |
| Home/Income Ratio | 3.5x (nat avg ~3.5x) |
| Median Rent | $959/mo |
| Total Housing Units | 7,834 |
| Vacant Units | 341 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Union County is located in South Dakota and encompasses 5 ZIP codes spanning 5 cities and communities. The county has an estimated population of 18,142 residents. With a median age of 40.17, it is a middle-aged county.
Union County has a middle-income economic profile. The median household income of $87,515 is near the national average. Unemployment stands at 3.4%, below the national average. The poverty rate of 6.6% is well below the national average.
Housing in Union County is a mid-range housing market, with a median home value of $307,747 — near the national average. Monthly median rent is approximately $959. Homeownership rates are high at 72.6%, reflecting a largely residential, stable population.
The residents of Union County are primarily White (89.04%). Educational attainment is well-educated — 49.8% of adults hold a bachelor's degree or higher, above the national average.
Union County, SD is a middle-income area in South Dakota. The 5 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 57001 | Alcester | 1,550 | $72,885 | $158,600 | $821 | 0.9% | 35.7% |
| 57004 | Beresford | 3,900 | $81,364 | $247,700 | $816 | 2.8% | 42.5% |
| 57025 | Elk Point | 3,165 | $88,466 | $226,000 | $738 | 1.9% | 48.0% |
| 57038 | Jefferson | 1,713 | $86,895 | $280,900 | $906 | 6.0% | 56.1% |
| 57049 | North Sioux City | 7,814 | $93,239 | $406,300 | $1,160 | 4.3% | 55.6% |