Home values, rents and more in O'Brien County, IA
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open O'Brien County, IA in ProMap- Under $190k
- $190k–$210k
- $210k–$260k
- $260k–$290k
- $290k+
- No data
How O'Brien County, IA compares
The typical home in O'Brien County, IA is worth about $195,000, according to the Zillow Home Value Index for September 2026. Home values in O'Brien County, IA are 18% below the typical value in Iowa ($237,000) and 47% below the U.S. typical value ($366,000).
Over the past year, home values in O'Brien County, IA rose 8.0%, compared with +3.3% in Iowa and +1.2% nationally.
The median household income is $68,356, against $75,059 in Iowa and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 14,220 people live in O'Brien County, IA (Census Bureau estimate for July 2025).
O'Brien County, IA has the 48th-highest typical home value of the 99 counties in Iowa with Zillow figures.
Part of: Iowa
More for O'Brien County, IA in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in O'Brien County, IA
ZIP codes in O'Brien County, IA
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.