O'Brien County
IA · Pop. 14,103 · Rural County
O'Brien County is a rural county in Iowa, spanning 573 square miles with 14,103 residents at a density of 24.6 people per square mile, so rural land and genuine privacy are available. The agricultural economy is rated strong, built on corn, soybeans, hay. The median home price is $159,000, with an effective property tax rate of 0.99%. The climate sits in USDA hardiness zone 5a with a 163-day growing season, average summer highs of 82.5°F and average winter lows of 12.9°F. Annual rainfall averages 30.5 inches, and with drought risk rated very high, water storage and irrigation planning matter. Mercyone Primghar Medical Center is 0.4 miles away and includes an emergency room. Broadband reaches 92.5% of homes. On the hazard side, tornado risk is high, drought risk is very high, so plan infrastructure and insurance accordingly.
Pros
- A median home price of $159,000 makes land and property relatively affordable.
- Broadband reaches 92.5% of homes, making remote work and online farm sales realistic.
- Mercyone Primghar Medical Center, with an emergency room, is just 0.4 miles away — strong local healthcare access.
- A strong agricultural economy built on corn, soybeans, hay means local markets, equipment, and know-how are in place.
- At 24.6 people per square mile, land is available with genuine space and privacy.
Cons
- Drought risk is very high, making water storage and irrigation infrastructure essential rather than optional.
- A 163-day growing season limits crop diversity and calls for season-extension tools.
- Average winter lows of 12.9°F demand serious cold-weather infrastructure for livestock and water systems.
At a glance
O'Brien County, IA is a strong overall fit for homesteading.
- Homestead score
- 82/100
- Median home price
- $159k
- Property tax
- 0.99%
- Growing season
- 163 days (zone 5a)
- Annual rainfall
- 30.5"
- Broadband
- 92.5%
- Nearest hospital
- Mercyone Primghar Medical Center, 0.4 mi
Taxes & Cost of Living
Land & Building
Climate & Growing
Natural Disaster Risk
Healthcare
Infrastructure & Community
Business & Employment
Homesteading in O'Brien County: FAQ
- What is the growing season like in O'Brien County?
- O'Brien County is in USDA hardiness zone 5a with a 163-day growing season, average summer highs of 82.5°F, and average winter lows of 12.9°F. The established crops are corn, soybeans, hay.
- How affordable is land and property here?
- The median home price is $159,000 and the effective property tax rate is 0.99%. There's no published county per-acre figure, so use recent comparable sales to gauge raw-land value.
- Is broadband internet available?
- Broadband reaches 92.5% of homes, strong coverage that supports remote work for most parcels.
- How close is healthcare?
- Mercyone Primghar Medical Center is 0.4 miles away and includes an emergency room; there are 2 hospitals in the county.
Explore Iowa Resources
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LandWatch
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Lands of America
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AcreTrader
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More counties in Iowa
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The closest counties to O'Brien County by distance, including across state lines.
Data sources
Verified
Figures are sourced from public datasets: U.S. Census Bureau — ACS 5-year & Gazetteer, USDA NASS Census of Agriculture, USDA Plant Hardiness Zone Map, NOAA NCEI U.S. Climate Normals (1991–2020), FEMA National Risk Index, FCC Broadband Data Collection, BLS Local Area Unemployment Statistics, HIFLD Hospitals. Always confirm specifics locally before relying on them. See our methodology for how the homestead score is calculated.
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