O'Brien County
- Population
- 14,126
- Area
- 0.57 sq mi (1.48 km²), 0 sq mi water
- Median age
- 39.5
- Households
- 5,809
- Persons per household
- 2.4
- Median household income
- $68,356
- Median house value
- $173,100
Demographics: 2020–2024 ACS
Tonight
57°F
Patchy Smoke2% precip
Saturday
80°F
Mostly Sunny
Saturday Night
56°F
Mostly Clear
Sunday
81°F
Sunny