Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.0 yrs |
|---|---|
| Avg HH Size | 2.40 |
| Below Poverty | 13.8% ▲ 38% above avg |
| College Grads | 40.2% ≈ Avg |
| Unemployment | 1.5% ▼ 70% below avg |
| No HS Diploma | 77 (0.8%) |
| HS Graduate | 3,286 (35.9%) |
| Some College | 940 (10.3%) |
| Associates | 1,184 (12.9%) |
| Bachelors | 1,502 (16.4%) |
| Graduate Degree | 2,165 (23.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $70,200 ▼ 8% below avg |
|---|---|
| Median Home Value | $158,924 ▼ 43% below avg |
| Home/Income Ratio | 2.3x (nat avg ~3.5x) |
| Median Rent | $805/mo |
| Total Housing Units | 6,598 |
| Vacant Units | 747 |
Income Distribution
How People Get to Work
Commute Time
Year Built
O'Brien County is located in Iowa and encompasses 8 ZIP codes spanning 8 cities and communities. The county has an estimated population of 14,445 residents. With a median age of 40, it is a middle-aged county.
O'Brien County has a solidly middle-class economic profile. The median household income of $70,200 is near the national average. Unemployment stands at 1.5%, well below the national average. The poverty rate of 13.8% is above the national average.
Housing in O'Brien County is an affordable housing market, with a median home value of $158,924 — below the national average. Monthly median rent is approximately $805. Homeownership rates are high at 77.8%, reflecting a largely residential, stable population.
The residents of O'Brien County are primarily White (88.66%). Educational attainment is well-educated — 40.2% of adults hold a bachelor's degree or higher, near the national average.
O'Brien County, IA is a solidly middle-class area in Iowa. The 8 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 |
|---|---|---|---|---|---|---|---|
| 51231 | Archer | 543 | $105,388 | $179,600 | — | 0.5% | 45.2% |
| 51009 | Calumet | 131 | $53,125 | $65,000 | $475 | 4.0% | 30.0% |
| 51346 | Hartley | 2,211 | $60,179 | $125,800 | $721 | 3.9% | 36.7% |
| 51046 | Paullina | 1,407 | $81,389 | $161,200 | $804 | 0.0% | 41.2% |
| 51245 | Primghar | 1,264 | $78,958 | $139,500 | $933 | 2.2% | 48.7% |
| 51248 | Sanborn | 1,643 | $60,809 | $154,400 | $869 | 2.1% | 33.8% |
| 51201 | Sheldon | 6,226 | $70,592 | $182,500 | $842 | 0.6% | 42.1% |
| 51058 | Sutherland | 1,020 | $61,833 | $116,100 | $546 | 2.3% | 33.6% |