All Countries
Grundy Center, IA
Full City Profile · Iowa · Grundy County County
3.3
/5.0
B
Good
2,794
Population
1,087/sq mi density
$77,540
Median Income
$39,292 per capita
$173,200
Home Value
$189,762 Zillow
$684
Median Rent
25.4% income on rent
47°F
Avg Temperature
260 sunny days/yr
552
Violent Crime/100K
2,880 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$77,540 median income, 0.6% unemployment
A+
Affordability
5.0 / 5.0
$173,200 home value, $684/mo rent
F
Safety
1.0 / 5.0
552 violent crimes/100K (45% above avg)
C+
Education
2.9 / 5.0
24.2% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+4.4%
2,695 → 2,813
over 10 years
Annual Pop. Growth
+0.43%
Compound annual growth rate
Median Income Change
+50.1%
$51,667 → $77,540
nominal, not inflation-adjusted
Annual Income Growth
+4.14%
Compound annual growth rate
Population Over Time
Total population for Grundy Center 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
2,899
+86 from 2023 (2,813)
Projected Median Income 2030
$103,003
+$25,463 from 2023 ($77,540)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 2,695 | — | $51,667 | — |
| 2015 | 2,707 | +0.4% | $50,000 | -3.2% |
| 2017 | 2,676 | -1.1% | $58,409 | +16.8% |
| 2019 | 2,668 | -0.3% | $63,819 | +9.3% |
| 2021 | 2,797 | +4.8% | $73,393 | +15% |
| 2023 | 2,813 | +0.6% | $77,540 | +5.7% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.