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IA area data

Williamson, IA

Williamson, IA.

Population: 190 (Census ACS)

FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with drought the top-rated hazards. Cost of living is 12.2% below the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

Home values & appreciation

House Price Index (state)
379.0 (+3.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Affordability

Cost of living index (Low)
87.8 (100 = US avg)
Electricity rate (state-level)
13.7¢/kWh
Natural gas rate (state-level)
$10.60/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Natural hazards & flood risk

Overall hazard risk (county)
Very Low
Top hazards (county)
drought
Notable hazard ratings (county)
coldWave: Relatively Low · drought: Relatively High · hail: Relatively Low · heatWave: Relatively Low · iceStorm: Relatively Low · landslide: Relatively Low
Wildfire risk to homes (county)
Higher than 59% of US counties
Buildings in wildfire direct-exposure zone
64.8%
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
49.0°F
Average high
60.0°F
Average low
37.0°F
Annual precipitation
41.1 in
USDA plant hardiness zone
5b (extreme annual low -15 to -10°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Amenities

Airports within 30 mi
13
Nearest airport
Chariton Municipal Airport (2 mi)
Hospitals nearby (~15 mi)
15
Hospitals include
VA CENTRAL IOWA HEALTHCARE SYSTEM, UNITYPOINT HEALTH - DES MOINES IOWA METHODIST MEDI, MERCYONE DES MOINES MEDICAL CENTER
Avg hospital rating (CMS)
2.8 / 5
Best hospital rating nearby (CMS)
4.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1,938
Housing built before 1970
75.7%
Housing built 2000 or later
6.8%
Median annual property tax
$650
Households with broadband internet
55.1%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
2,779
Average weekly wage
$942
Top industries (by employment)
Construction, Professional Services, Finance & Insurance
Annual residential building permits (county)
2

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the natural-hazard risk in Williamson, IA?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: drought.
What is the wildfire risk in Williamson, IA?
Risk to homes is higher than 59% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Williamson, IA?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Williamson, IA?
No current or proposed National Priorities List sites within 5 miles (EPA).
What is the cost of living in Williamson, IA?
Regional Price Parity: 87.8 (100 = US average) (Low) (BEA RPP, metro/state-level).

ZIP code for Williamson

Selling a home in Williamson, IA?

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents