| # | City | Population change 2020-2024 |
|---|---|---|
| 1 | Keokuk | -4.5% |
| 2 | Fort Madison | -3.2% |
| 3 | Muscatine | -2.1% |
| 4 | Carroll | -2.0% |
| 5 | Decorah | -1.7% |
| 6 | Burlington | -1.6% |
| 7 | Mason City | -1.5% |
| 8 | Clinton | -1.4% |
| 9 | Dubuque | -1.2% |
| 10 | Atlantic | -1.0% |
| 11 | Davenport | -0.8% |
| 12 | Grinnell | -0.6% |
| 13 | Des Moines | -0.4% |
| 14 | Newton | -0.3% |
| 15 | Council Bluffs | -0.2% |
| 16 | Boone | +0.1% |
| 17 | Cedar Rapids | +0.1% |
| 18 | Fort Dodge | +0.1% |
| 19 | Oskaloosa | +0.2% |
| 20 | Waterloo | +0.2% |
| 21 | Ottumwa | +0.4% |
| 22 | Spencer | +0.8% |
| 23 | Fairfield | +0.9% |
| 24 | Le Mars | +0.9% |
| 25 | Marshalltown | +1.1% |
Top Iowa Counties
Counties ranked by the largest percent population decline from April 2020 to July 2024.
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate). Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Fastest-Shrinking Cities in Iowa”, https://gismap.land/rankings/iowa/fastest-shrinking-cities. Figures from U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
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