In most cases the county government is located in the courthouse.
This is where you will find vital records, such as birth, marriage and death.
Typically this is also the home to the assessor and the clerk, where you will find property records.
Circuit clerks are keepers of court records, criminal and civil.
The courthouse is also where you typically find the county prosecutor and the sheriff, who collects property taxes.
Population statistics are from the 2002 post-census survey.
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Adair (County) 400 Public Square Greenfield, IA 50849 Population: 8,224 Map |
Adams (County) Box 28 Corning, IA 50841 Population: 4,494 Map |
Allamakee (County) Courthouse - Allamakee Street Waukon, IA 52172 Population: 14,002 Map |
Appanoose (County) 201 N 12th St Centerville, IA 52544 Population: 13,616 Map |
Audubon (County) 318 Leroy Street, # 4 Audubon, IA 50025 Population: 6,894 Map |
Benton (County) P. O. Box 549 Vinton, IA 52349 Population: 24,510 Map |
Black Hawk (County) 316 East Fifth St Waterloo, IA 50703 Population: 122,806 Map Near: Waterloo-cedar Falls, Ia |
Boone (County) 201 State Street Boone, IA 50036 Population: 25,875 Map |
Bremer (County) 415 East Bremer Ave Waverly, IA 50677 Population: 23,280 Map |
Buchanan (County) P.o. Box 317 Independence, IA 50644 Population: 21,175 Map |
Buena Vista (County) P. O. Box 220 Storm Lake, IA 50588 Population: 19,862 Map |
Butler (County) P. O. Box 325 Allison, IA 50602 Population: 15,781 Map |
Calhoun (County) 416 Fourth St Courthouse Rockwell City, IA 50579 Population: 11,478 Map |
Carroll (County) 114 East 6th Street Carroll, IA 51401 Population: 21,536 Map |
Cass (County) 5 W 7th Street Atlantic, IA 50022 Population: 14,930 Map |
Cedar (County) County Courthouse Tipton, IA 52772 Population: 17,809 Map |
Cerro Gordo (County) 220 North Wash Mason City, IA 50401 Population: 46,584 Map |
Cherokee (County) Drawer H Cherokee, IA 51012 Population: 13,477 Map |
Chickasaw (County) 8 East Prospect, Box 311 New Hampton, IA 50659 Population: 13,493 Map |
Clarke (County) 100 S. Main Osceola, IA 50213 Population: 8,255 Map |
Clay (County) 300 West 4th Street Spencer, IA 51301 Population: 17,598 Map |
Clayton (County) P.o. Box 416 Elkader, IA 52043 Population: 18,893 Map |
Clinton (County) P. O. Box 2957 Clinton, IA 52733 Population: 50,471 Map |
Crawford (County) Box 423 Denison, IA 51442 Population: 16,503 Map |
Dallas (County) 801 Court Courthouse Adel, IA 50003 Population: 33,900 Map Near: Des Moines, Ia |
Davis (County) 100 Courthouse Square Bloomfield, IA 52537 Population: 8,447 Map |
Decatur (County) 207 N Main Leon, IA 50144 Population: 8,232 Map |
Delaware (County) County Courthouse Manchester, IA 52057 Population: 18,506 Map |
Des Moines (County) P. O. Box 784 Burlington, IA 52601 Population: 42,564 Map |
Dickinson (County) 1802 Hill Avenue Spirit Lake, IA 51360 Population: 15,725 Map |
Dubuque (County) County Courthouse, 720 Central Dubuque, IA 52001 Population: 88,201 Map Near: Dubuque, Ia |
Emmet (County) 609 1st Ave No Estherville, IA 51334 Population: 11,114 Map |
Fayette (County) Box 267 West Union, IA 52175 Population: 22,061 Map |
Floyd (County) 101 South Main Charles City, IA 50616 Population: 16,538 Map |
Franklin (County) P. O. Box 26 Hampton, IA 50441 Population: 11,017 Map |
Fremont (County) Courthouse Sidney, IA 51652 Population: 7,918 Map |
Greene (County) 114 N. Chestnut Jefferson, IA 50129 Population: 10,120 Map |
Grundy (County) 706 G Avenue Grundy Center, IA 50638 Population: 12,340 Map |
Guthrie (County) 200 N. 5th Street Guthrie Center, IA 50115 Population: 11,420 Map |
Hamilton (County) Highway 17 South Webster City, IA 50595 Population: 16,102 Map |
Hancock (County) 855 State Street Garner, IA 50438 Population: 12,152 Map |
Hardin (County) County Courthouse Eldora, IA 50627 Population: 18,682 Map |
Harrison (County) 111 N. 2nd Ave Logan, IA 51546 Population: 15,230 Map |
Henry (County) P O Bx 146 Mount Pleasant, IA 52641 Population: 19,867 Map |
Howard (County) 137 North Elm Street Cresco, IA 52136 Population: 9,766 Map |
Humboldt (County) P.o. Box 100 Dakota City, IA 50529 Population: 10,431 Map |
Ida (County) 401 Moorehead St Ida Grove, IA 51445 Population: 8,109 Map |
Iowa (County) P. O. Box 126 Marengo, IA 52301 Population: 15,381 Map |
Jackson (County) 201 W Platt Maquoketa, IA 52060 Population: 20,057 Map |
Jasper (County) P. O. Box 944 Newton, IA 50208 Population: 35,470 Map |
Jefferson (County) Box 320 Fairfield, IA 52556 Population: 16,901 Map |
Johnson (County) P O Box 1350 Iowa City, IA 52240 Population: 101,609 Map Near: Iowa City, Ia |
Jones (County) P. O. Box 109 Anamosa, IA 52205 Population: 20,593 Map |
Keokuk (County) 101 S. Main Sigourney, IA 52591 Population: 11,594 Map |
Kossuth (County) 114 West State Street Algona, IA 50511 Population: 18,021 Map |
Lee (County) P O Box 190 Fort Madison, IA 52627 Population: 38,879 Map |
Linn (County) 930 1st Street S W Cedar Rapids, IA 52404 Population: 179,411 Map Near: Cedar Rapids, Ia |
Louisa (County) P. O. Box 186 Wapello, IA 52653 Population: 12,017 Map |
Lucas (County) 916 Braden Avenue Chariton, IA 50049 Population: 9,054 Map |
Lyon (County) 206 S 2nd Ave Rock Rapids, IA 51246 Population: 11,962 Map |
Madison (County) P. O. Box 152 Winterset, IA 50273 Population: 13,663 Map |
Mahaska (County) 106 South First Oskaloosa, IA 52577 Population: 21,757 Map |
Marion (County) Court House Knoxville, IA 50138 Population: 31,359 Map |
Marshall (County) 1 East Main Street Marshalltown, IA 50158 Population: 38,868 Map |
Mills (County) County Courthouse Glenwood, IA 51534 Population: 14,054 Map |
Mitchell (County) 508 State Street Osage, IA 50461 Population: 11,130 Map |
Monona (County) 610 Iowa Avenue Onawa, IA 51040 Population: 9,981 Map |
Monroe (County) County Courthouse Albia, IA 52531 Population: 8,113 Map |
Montgomery (County) 105 Coolbaugh Street Red Oak, IA 51566 Population: 11,908 Map |
Muscatine (County) 410 East Third Street Muscatine, IA 52761 Population: 41,158 Map |
O Brien (County) P. O. Box M Primghar, IA 51245 Population: 15,030 Map |
Osceola (County) 300 7th Str Sibley, IA 51249 Population: 7,095 Map |
Page (County) 1180 South 16th Street Clarinda, IA 51632 Population: 16,784 Map |
Palo Alto (County) 1010 Broadway Emmetsburg, IA 50536 Population: 10,136 Map |
Plymouth (County) 215 4th Ave, Se Le Mars, IA 51031 Population: 24,482 Map |
Pocahontas (County) 99 Court Square Pocahontas, IA 50574 Population: 9,001 Map |
Polk (County) 111 Court Ave Des Moines, IA 50309 Population: 354,150 Map Near: Des Moines, Ia |
Pottawattamie (County) 227 South 6th Council Bluffs, IA 51501 Population: 84,939 Map Near: Omaha, Ne-ia |
Poweshiek (County) P.o. Box 57 Montezuma, IA 50171 Population: 18,975 Map |
Ringgold (County) County Courthouse Mount Ayr, IA 50854 Population: 5,345 Map |
Sac (County) 624 E. Park Ave Sac City, IA 50583 Population: 11,986 Map |
Scott (County) 416 W 4th Street Davenport, IA 52801 Population: 157,353 Map Near: Davenport-moline-rock I, Ia-il |
Shelby (County) 612 Court Street Harlan, IA 51537 Population: 13,065 Map |
Sioux (County) 210 Central Ave, Sw Orange City, IA 51041 Population: 31,191 Map |
Story (County) 900 6th Street Nevada, IA 50201 Population: 74,610 Map |
Tama (County) 100 West High Street Toledo, IA 52342 Population: 17,678 Map |
Taylor (County) 405 Jefferson Bedford, IA 50833 Population: 7,186 Map |
Union (County) 300 West Pine Creston, IA 50801 Population: 12,613 Map |
Van Buren (County) P.o. Box 475 Keosauqua, IA 52565 Population: 7,807 Map |
Wapello (County) 101 W Fourth Street Ottumwa, IA 52501 Population: 35,766 Map |
Warren (County) P. O. Box 237 Indianola, IA 50125 Population: 39,386 Map Near: Des Moines, Ia |
Washington (County) P. O. Box 889 Washington, IA 52353 Population: 20,706 Map |
Wayne (County) P.o. Box 435 Corydon, IA 50060 Population: 6,847 Map |
Webster (County) 703 Central Ave Fort Dodge, IA 50501 Population: 39,014 Map |
Winnebago (County) 126 S Clark Street Forest City, IA 50436 Population: 11,984 Map |
Winneshiek (County) 201 West Main Decorah, IA 52101 Population: 20,963 Map |
Woodbury (County) 7th And Douglas Sioux City, IA 51101 Population: 102,580 Map Near: Sioux City, Ia-ne |
Worth (County) 1000 Central Avenue Northwood, IA 50459 Population: 7,865 Map |
Wright (County) 115 North Main Street Clarion, IA 50525 Population: 14,327 Map |