Census tract rankings · Iowa
Most populous census tracts in Iowa
Where the most people live inside a single tract. The Census Bureau aims for 4,000 residents per tract but splits and merges aren't always synchronized with growth. Filtered to Iowa, ranked among all tracts in the state.
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| Rank | Tract | County | population |
|---|---|---|---|
| #201 | Tract 9703 | Henry, IA | 4,388 |
| #202 | Tract 43 | Polk, IA | 4,369 |
| #203 | Tract 104.07 | Polk, IA | 4,366 |
| #204 | Tract 603 | Madison, IA | 4,365 |
| #205 | Tract 4907 | Lee, IA | 4,359 |
| #206 | Tract 304.01 | Marion, IA | 4,339 |
| #207 | Tract 5 | Polk, IA | 4,337 |
| #208 | Tract 14 | Johnson, IA | 4,322 |
| #209 | Tract 104.08 | Polk, IA | 4,321 |
| #210 | Tract 9516 | Cerro Gordo, IA | 4,317 |
| #211 | Tract 11.02 | Story, IA | 4,315 |
| #212 | Tract 3704 | Poweshiek, IA | 4,307 |
| #213 | Tract 12.05 | Dubuque, IA | 4,301 |
| #214 | Tract 117.02 | Polk, IA | 4,290 |
| #215 | Tract 21 | Polk, IA | 4,285 |
| #216 | Tract 26.04 | Black Hawk, IA | 4,284 |
| #217 | Tract 12 | Clinton, IA | 4,271 |
| #218 | Tract 1904 | Union, IA | 4,271 |
| #219 | Tract 110.25 | Polk, IA | 4,267 |
| #220 | Tract 103 | Story, IA | 4,263 |
| #221 | Tract 9506 | Marshall, IA | 4,248 |
| #222 | Tract 801 | Davis, IA | 4,247 |
| #223 | Tract 9602 | Iowa, IA | 4,243 |
| #224 | Tract 125.02 | Scott, IA | 4,237 |
| #225 | Tract 1904 | Cass, IA | 4,235 |
| #226 | Tract 3.05 | Johnson, IA | 4,232 |
| #227 | Tract 125.01 | Scott, IA | 4,226 |
| #228 | Tract 8 | Woodbury, IA | 4,210 |
| #229 | Tract 101.04 | Scott, IA | 4,207 |
| #230 | Tract 30.02 | Black Hawk, IA | 4,201 |
| #231 | Tract 9502.02 | Cerro Gordo, IA | 4,195 |
| #232 | Tract 212 | Warren, IA | 4,195 |
| #233 | Tract 508.15 | Dallas, IA | 4,180 |
| #234 | Tract 2 | Johnson, IA | 4,175 |
| #235 | Tract 13.01 | Black Hawk, IA | 4,172 |
| #236 | Tract 9603 | Allamakee, IA | 4,166 |
| #237 | Tract 3.06 | Johnson, IA | 4,160 |
| #238 | Tract 23 | Johnson, IA | 4,155 |
| #239 | Tract 102.13 | Polk, IA | 4,152 |
| #240 | Tract 6801 | Winnebago, IA | 4,129 |
| #241 | Tract 29 | Polk, IA | 4,128 |
| #242 | Tract 9604 | Washington, IA | 4,128 |
| #243 | Tract 9504.02 | Cerro Gordo, IA | 4,121 |
| #244 | Tract 9505 | Marshall, IA | 4,121 |
| #245 | Tract 101.05 | Dubuque, IA | 4,118 |
| #246 | Tract 9501.02 | Cerro Gordo, IA | 4,115 |
| #247 | Tract 9514 | Cerro Gordo, IA | 4,115 |
| #248 | Tract 402 | Jasper, IA | 4,110 |
| #249 | Tract 111.12 | Polk, IA | 4,107 |
| #250 | Tract 28 | Linn, IA | 4,104 |
| #251 | Tract 9503 | Cerro Gordo, IA | 4,103 |
| #252 | Tract 102 | Story, IA | 4,084 |
| #253 | Tract 30.04 | Linn, IA | 4,083 |
| #254 | Tract 706.02 | Sioux, IA | 4,083 |
| #255 | Tract 3 | Clinton, IA | 4,068 |
| #256 | Tract 113.01 | Polk, IA | 4,065 |
| #257 | Tract 408 | Jasper, IA | 4,064 |
| #258 | Tract 6803 | Winnebago, IA | 4,061 |
| #259 | Tract 9702 | Plymouth, IA | 4,054 |
| #260 | Tract 4902 | O'Brien, IA | 4,049 |
| #261 | Tract 402.02 | Mills, IA | 4,047 |
| #262 | Tract 7.01 | Polk, IA | 4,047 |
| #263 | Tract 803.01 | Clay, IA | 4,040 |
| #264 | Tract 9501 | Guthrie, IA | 4,040 |
| #265 | Tract 23.03 | Black Hawk, IA | 4,038 |
| #266 | Tract 102.08 | Polk, IA | 4,038 |
| #267 | Tract 8.01 | Dubuque, IA | 4,034 |
| #268 | Tract 4901 | Lee, IA | 4,034 |
| #269 | Tract 9504 | Jackson, IA | 4,033 |
| #270 | Tract 104.09 | Polk, IA | 4,033 |
| #271 | Tract 18.01 | Woodbury, IA | 4,030 |
| #272 | Tract 5 | Dubuque, IA | 4,025 |
| #273 | Tract 9601 | Iowa, IA | 4,017 |
| #274 | Tract 15.02 | Black Hawk, IA | 4,011 |
| #275 | Tract 9601 | Howard, IA | 4,010 |
| #276 | Tract 16.01 | Johnson, IA | 4,007 |
| #277 | Tract 504 | Muscatine, IA | 4,006 |
| #278 | Tract 14 | Woodbury, IA | 3,993 |
| #279 | Tract 4511 | Dickinson, IA | 3,992 |
| #280 | Tract 113 | Scott, IA | 3,983 |
| #281 | Tract 701 | Sioux, IA | 3,974 |
| #282 | Tract 24 | Linn, IA | 3,968 |
| #283 | Tract 6 | Webster, IA | 3,962 |
| #284 | Tract 7 | Clinton, IA | 3,961 |
| #285 | Tract 104 | Dubuque, IA | 3,960 |
| #286 | Tract 13.02 | Black Hawk, IA | 3,957 |
| #287 | Tract 9501 | Van Buren, IA | 3,957 |
| #288 | Tract 502 | Dallas, IA | 3,953 |
| #289 | Tract 302.01 | Marion, IA | 3,949 |
| #290 | Tract 1.02 | Story, IA | 3,949 |
| #291 | Tract 10.04 | Linn, IA | 3,948 |
| #292 | Tract 4502 | Louisa, IA | 3,927 |
| #293 | Tract 8.03 | Polk, IA | 3,917 |
| #294 | Tract 13 | Linn, IA | 3,916 |
| #295 | Tract 111.14 | Polk, IA | 3,914 |
| #296 | Tract 707.02 | Sioux, IA | 3,910 |
| #297 | Tract 9601.01 | Washington, IA | 3,907 |
| #298 | Tract 9505 | Jackson, IA | 3,903 |
| #299 | Tract 9502 | Lyon, IA | 3,903 |
| #300 | Tract 46.03 | Polk, IA | 3,896 |
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