Browse the federal functional classification maps for Iowa's urban areas. County seats are indicated by (*). The maps provided are in PDF format. You can view them by:
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| City # | Urban Area # | City name & map link | County # | County name |
|---|---|---|---|---|
| 0035 | 00496 | Adel | 25 | Dallas |
| 0085 | 01387 | Algona | 55 | Kossuth |
| 0155 | 02062 | Ames | 85 | Story |
| 0165 | 02278 | Anamosa | 53 | Jones |
| 0285 | 03871 | Atlantic | 15 | Cass |
| 0750 | 09028 | Boone | 08 | Boone |
| 0977 | 11674 | Burlington | 29 | Des Moines |
| 1125 | 13996 | Carroll | 14 | Carroll |
| 1187 | 14752 | Cedar Rapids | 57 | Linn |
| 1187 | 14752 | Cedar Rapids | 50 | Johnson |
| 1210 | 14914 | Centerville | 04 | Appanoose |
| 1242 | 15373 | Charles City | 34 | Floyd |
| 1272 | 16021 | Cherokee | 18 | Cherokee |
| 1332 | 17155 | Clarinda | 73 | Page |
| 1372 | 17506 | Clear Lake | 17 | Cerro Gordo |
| 1415 | 17938 | Clinton | 23 | Clinton |
| 1642 | 65269 | Council Bluffs | 78 | Pottawattamie |
| 1710 | 21016 | Creston | 88 | Union |
| 1827 | 22366 | Davenport | 82 | Scott |
| 1867 | 22798 | Decorah | 96 | Winneshiek |
| 1920 | 23419 | Denison | 24 | Crawford |
| 1945 | 23743 | Des Moines | 25 | Dallas |
| 1945 | 23743 | Des Moines | 61 | Madison |
| 1945 | 23743 | Des Moines | 77 | Polk |
| 1945 | 23743 | Des Moines | 91 | Warren |
| 1855 | 23986 | DeWitt | 23 | Clinton |
| 2100 | 24823 | Dubuque | 31 | Dubuque |
| 2417 | 27955 | Estherville | 32 | Emmet |
| 2465 | 27811 | Fairfield | 51 | Jefferson |
| 2690 | 30682 | Fort Dodge | 94 | Webster |
| 2697 | 30763 | Fort Madison | 56 | Lee |
| 2955 | 33625 | Glenwood | 65 | Mills |
| 3127 | 35704 | Grinnell | 79 | Poweshiek |
| 3275 | 36838 | Harlan | 83 | Shelby |
| 3595 | 40618 | Humboldt | 46 | Humboldt |
| 3665 | 41131 | Independence | 10 | Buchanan |
| 3680 | 41239 | Indianola | 91 | Warren |
| 3715 | 41590 | Iowa City | 52 | Johnson |
| 3720 | 41617 | Iowa Falls | 42 | Hardin |
| 3942 | 44560 | Keokuk | 56 | Lee |
| 4040 | 45613 | Knoxville | 63 | Marion |
| 4257 | 58988 | Le Mars | 75 | Plymouth |
| 4682 | 53686 | Manchester | 28 | Delaware |
| 4742 | 0826 | Maquoketa | 49 | Jackson |
| 4742 | 54280 | Maquoketa | 23 | Clinton |
| 4797 | 55090 | Marshalltown | 64 | Marshall |
| 4822 | 55414 | Mason City | 17 | Cerro Gordo |
| 4892 | 71857 | McGregor | 22 | Clayton |
| 5292 | 60085 | Mount Pleasant | 44 | Henry |
| 5302 | 60382 | Mount Vernon | 57 | Linn |
| 5330 | 60814 | Muscatine | 70 | Muscatine |
| 5405 | 61597 | Nevada | 85 | Story |
| 5482 | 63082 | Newton | 50 | Jasper |
| 5657 | 64891 | Oelwein | 10 | Buchanan |
| 5657 | 64891 | Oelwein | 33 | Fayette |
| 5732 | 65728 | Orange City | 84 | Sioux |
| 5772 | 66133 | Osceola | 20 | Clarke |
| 5780 | 66187 | Oskaloosa | 62 | Mahaska |
| 5825 | 66376 | Ottumwa | 90 | Wapello |
| 5947 | 68347 | Pella | 62 | Mahaska |
| 5947 | 68347 | Pella | 63 | Marion |
| 5970 | 68644 | Perry | 25 | Dallas |
| 6170 | 70548 | Polk City | 77 | Polk |
| 6360 | 73909 | Red Oak | 69 | Montgomery |
| 6950 | 51361 | Sheldon | 69 | Montgomery |
| 6965 | 81442 | Shenandoah | 73 | Page |
| 6965 | 81442 | Shenandoah | 36 | Fremont |
| 7055 | 82198 | Sioux Center | 84 | Sioux |
| 7057 | 82225 | Sioux City | 75 | Plymouth |
| 7057 | 82225 | Sioux City | 97 | Woodbury |
| 7170 | 82629 | Spencer | 21 | Clay |
| 7185 | 83710 | Spirit Lake | 30 | Dickinson |
| 7422 | 85114 | Storm Lake | 11 | Buena Vista |
| 7575 | 86545 | Tama/Toledo | 86 | Tama |
| 8017 | 90811 | Vinton | 06 | Benton |
| 8140 | 92323 | Washington | 92 | Washington |
| 8155 | 92593 | Waterloo | 07 | Black Hawk |
| 8190 | 93079 | Waverly | 09 | Bremer |
| 8212 | 93511 | Webster City | 40 | Hamilton |
| 8497 | 96778 | Winterset | 61 | Madison |