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IA area data

Onslow, IA

Onslow, IA.

Population: 395 (Census ACS)

The median home value in Onslow, IA is $225,924 — up 8.2% over the past year. Homes sell for a median $153,000 after a median 92 days on market. FEMA's National Risk Index rates the county's overall natural-hazard risk Very Low, with drought, strongwind the top-rated hazards. Cost of living is 10.5% below the US average (BEA, metro/state-level).

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

$225,924

Median home value

+8.2%

1-year change

92

Median days on market

Very Low

Hazard risk (county)

Home values & appreciation

Median home value
$225,924
1-year appreciation
+8.2%
3-year appreciation
+16.8%
5-year appreciation
+35.9%
All-time peak (2026-07)
$225,924
House Price Index (state)
379.0 (+3.7% YoY)

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

Market activity

Median sale price
$153,000
Median days on market
92 days
Homes sold (recent period)
1
Sale-to-list ratio
95.6%
Active listings
1
1-year forecast
+1.6%

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$696/mo
1BR fair-market rent
$870/mo
2BR fair-market rent
$1,088/mo
3BR fair-market rent
$1,415/mo
4BR fair-market rent
$1,633/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Low)
89.5 (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, strongWind
Notable hazard ratings (county)
coldWave: Relatively Low · drought: Relatively Moderate · hail: Relatively Low · iceStorm: Relatively Low · inlandFlooding: Relatively Low · landslide: Relatively Low
FEMA flood zone
X
Flood risk level
Minimal
Wildfire risk to homes (county)
Higher than 28% of US counties
Buildings in wildfire direct-exposure zone
40.9%
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)

Annual precipitation
43.0 in
USDA plant hardiness zone
5a (extreme annual low -20 to -15°F)

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

Walkability & transit

Walkability index
5.0 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
3,075
Jobs reachable by transit (45 min)
3,817

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
1
Nearest national park
Herbert Hoover National Historic Site (38 mi)
Airports within 30 mi
11
Nearest airport
Monticello Regional Airport (MXO) (11 mi)
Nearest major airport
Dubuque Regional Airport (DBQ) (23 mi)
Hospitals nearby (~15 mi)
3
Hospitals include
MERCYONE DUBUQUE MEDICAL CENTER, FINLEY HOSPITAL, GENESIS MEDICAL CENTER-DEWITT
Avg hospital rating (CMS)
4.5 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Fair (3.9 kWh/m²/day)

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

Migration

Net migration (county)
-37 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,956
Housing built before 1970
55.6%
Housing built 2000 or later
6.2%
Median annual property tax
$2,000
Mean commute to work
21 min
Households with broadband internet
70.5%

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

Employment & development

Total county employment
4,972
Average weekly wage
$941
Top industries (by employment)
Health Care, Construction, Accommodation & Food
Annual residential building permits (county)
18

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

How it compares

OnslowState medianUS median
Median home value$225,924$211,348$289,727
Median sale price$153,000$220,000$325,000
Median days on market92 days48 days51 days
Median annual property tax$2,000$1,927$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

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

Common questions

What is the median home value in Onslow, IA?
$225,924.
What is the median sale price in Onslow, IA?
$153,000.
How long do homes take to sell in Onslow, IA?
Median days on market: 92 days.
What is typical rent in Onslow, IA?
2-bedroom fair-market rent: $1,088/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in Onslow, IA?
Overall risk: Very Low (FEMA NRI, county-level). Top hazards: drought, strongWind.
Is Onslow, IA in a flood zone?
Minimal (FEMA NFIP). FEMA flood zone X.
What is the wildfire risk in Onslow, IA?
Risk to homes is higher than 28% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Onslow, IA?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Onslow, IA?
No current or proposed National Priorities List sites within 5 miles (EPA).
Is Onslow, IA walkable?
Walkability index: 5.0/20 (EPA Smart Location Database).
What is the cost of living in Onslow, IA?
Regional Price Parity: 89.5 (100 = US average) (Low) (BEA RPP, metro/state-level).

ZIP code for Onslow

Selling a home in Onslow, 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