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IA area data

Promise City, IA

Promise City, IA.

Population: 389 (Census ACS)

Home values & appreciation

Median home value
$227,304
1-year appreciation
+12.1%
3-year appreciation
+16.6%
All-time peak (2026-07)
$227,304
House Price Index
379.0 (+3.7% YoY)

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%

Natural hazards & flood risk

Overall hazard risk
Very Low
Top hazards
drought

Climate (30-year normals)

Average annual temperature
51.0°F
Average high
61.0°F
Average low
41.0°F
Annual precipitation
43.4 in
Annual snowfall
30.8 in

Amenities

Nearest airport
Corydon Airport (6 mi)
Hospitals nearby (~15 mi)
1,090
Avg hospital rating
3.1 / 5
Solar radiation rating
Fair (4.1 kWh/m²/day)

Migration

Net migration
+7 tax filers

Housing stock

Median year housing built
1,979
Median annual property tax
$967
Households with broadband internet
51.1%

Employment & development

Total county employment
1,397
Average weekly wage
$903
Top industries (by employment)
Health Care, Wholesale Trade, Accommodation & Food
Annual residential building permits (county)
86

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

Data last updated

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

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