All Countries
Grinnell, IA
Full City Profile · Iowa · Poweshiek County County
3.6
/5.0
B+
Good
9,527
Population
1,674/sq mi density
$64,426
Median Income
$36,382 per capita
$191,700
Home Value
$204,472 Zillow
$876
Median Rent
28.8% income on rent
48°F
Avg Temperature
275 sunny days/yr
418
Violent Crime/100K
1,789 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$64,426 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$191,700 home value, $876/mo rent
F
Safety
1.0 / 5.0
418 violent crimes/100K (10% above avg)
A
Education
4.3 / 5.0
41.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+4.8%
9,056 → 9,493
over 10 years
Annual Pop. Growth
+0.47%
Compound annual growth rate
Median Income Change
+41.6%
$45,495 → $64,426
nominal, not inflation-adjusted
Annual Income Growth
+3.54%
Compound annual growth rate
Population Over Time
Total population for Grinnell across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
9,810
+317 from 2023 (9,493)
Projected Median Income 2030
$82,190
+$17,764 from 2023 ($64,426)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 9,056 | — | $45,495 | — |
| 2015 | 9,029 | -0.3% | $45,365 | -0.3% |
| 2017 | 9,038 | +0.1% | $44,525 | -1.9% |
| 2019 | 9,132 | +1% | $46,750 | +5% |
| 2021 | 9,513 | +4.2% | $49,045 | +4.9% |
| 2023 | 9,493 | -0.2% | $64,426 | +31.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.