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IA area data

Grinnell, IA

Grinnell, IA.

Population: 11,862 (Census ACS)

Home values & appreciation

Median home value
$226,360
1-year appreciation
+7.0%
3-year appreciation
+13.6%
5-year appreciation
+30.4%
10-year appreciation
+67.5%
All-time peak (2026-07)
$226,360
House Price Index
379.0 (+3.7% YoY)

Market activity

New listings (monthly)
16

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%

Schools

Total schools
5
Elementary schools
3
Middle schools
1
High schools
1

Natural hazards & flood risk

Overall hazard risk
Very Low
Top hazards
drought, hail, strongWind

Climate (30-year normals)

Annual precipitation
41.8 in

Amenities

Nearest airport
Grinnell Regional Airport (6 mi)
Hospitals nearby (~15 mi)
1
Avg hospital rating
4.0 / 5
Solar radiation rating
Fair (4.0 kWh/m²/day)

Migration

Net migration
-32 tax filers

Housing stock

Median year housing built
1,970
Median annual property tax
$2,867
Mean commute to work
13 min
Households with broadband internet
70.9%

Employment & development

Total county employment
8,664
Average weekly wage
$1,111
Top industries (by employment)
Finance & Insurance, Construction, Accommodation & Food
Annual residential building permits (county)
6

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