By county Adair County: Joel D. Miller 66.0%, Eric Van Lancker 34.0% Adams County: Joel D. Miller 83.5%, Eric Van Lancker 16.5% Allamakee County: Joel D. Miller 72.4%, Eric Van Lancker 27.6% Appanoose County: Joel D. Miller 74.2%, Eric Van Lancker 25.8% Audubon County: Joel D. Miller 77.5%, Eric Van Lancker 22.4% Benton County: Joel D. Miller 81.2%, Eric Van Lancker 18.8% Black Hawk County: Joel D. Miller 71.8%, Eric Van Lancker 28.1% Boone County: Joel D. Miller 68.0%, Eric Van Lancker 31.8% Bremer County: Joel D. Miller 69.4%, Eric Van Lancker 30.6% Buchanan County: Joel D. Miller 84.1%, Eric Van Lancker 15.9% Buena Vista County: Joel D. Miller 72.9%, Eric Van Lancker 27.1% Butler County: Joel D. Miller 73.5%, Eric Van Lancker 26.2% Calhoun County: Joel D. Miller 78.0%, Eric Van Lancker 21.3% Carroll County: Joel D. Miller 77.2%, Eric Van Lancker 22.6% Cass County: Joel D. Miller 72.1%, Eric Van Lancker 27.5% Cedar County: Joel D. Miller 76.4%, Eric Van Lancker 23.4% Cerro Gordo County: Joel D. Miller 72.2%, Eric Van Lancker 27.7% Cherokee County: Joel D. Miller 75.4%, Eric Van Lancker 24.6% Chickasaw County: Joel D. Miller 78.0%, Eric Van Lancker 22.0% Clarke County: Joel D. Miller 78.7%, Eric Van Lancker 21.3% Clay County: Joel D. Miller 75.6%, Eric Van Lancker 24.1% Clayton County: Joel D. Miller 74.9%, Eric Van Lancker 25.1% Clinton County: Eric Van Lancker 81.5%, Joel D. Miller 18.5% Crawford County: Joel D. Miller 68.0%, Eric Van Lancker 30.9% Dallas County: Joel D. Miller 69.5%, Eric Van Lancker 30.4% Davis County: Joel D. Miller 74.3%, Eric Van Lancker 25.7% Decatur County: Joel D. Miller 76.9%, Eric Van Lancker 23.1% Delaware County: Joel D. Miller 75.7%, Eric Van Lancker 24.3% Des Moines County: Joel D. Miller 71.6%, Eric Van Lancker 28.2% Dickinson County: Joel D. Miller 77.5%, Eric Van Lancker 22.6% Dubuque County: Joel D. Miller 69.3%, Eric Van Lancker 30.5% Emmet County: Joel D. Miller 75.3%, Eric Van Lancker 24.7% Fayette County: Joel D. Miller 79.5%, Eric Van Lancker 20.6% Floyd County: Joel D. Miller 75.5%, Eric Van Lancker 24.5% Franklin County: Joel D. Miller 79.4%, Eric Van Lancker 20.6% Fremont County: Joel D. Miller 67.2%, Eric Van Lancker 32.0% Greene County: Joel D. Miller 75.5%, Eric Van Lancker 24.5% Grundy County: Joel D. Miller 68.5%, Eric Van Lancker 31.5% Guthrie County: Joel D. Miller 66.7%, Eric Van Lancker 33.1% Hamilton County: Joel D. Miller 73.2%, Eric Van Lancker 26.8% Hancock County: Joel D. Miller 74.5%, Eric Van Lancker 25.1% Hardin County: Joel D. Miller 74.2%, Eric Van Lancker 25.6% Harrison County: Joel D. Miller 72.2%, Eric Van Lancker 27.8% Henry County: Joel D. Miller 76.2%, Eric Van Lancker 23.8% Howard County: Joel D. Miller 66.0%, Eric Van Lancker 34.0% Humboldt County: Joel D. Miller 77.0%, Eric Van Lancker 23.0% Ida County: Joel D. Miller 76.0%, Eric Van Lancker 24.0% Iowa County: Joel D. Miller 77.9%, Eric Van Lancker 21.7% Jackson County: Joel D. Miller 66.7%, Eric Van Lancker 33.2% Jasper County: Joel D. Miller 71.5%, Eric Van Lancker 28.3% Jefferson County: Joel D. Miller 56.3%, Eric Van Lancker 43.4% Johnson County: Joel D. Miller 71.3%, Eric Van Lancker 28.4% Jones County: Joel D. Miller 82.5%, Eric Van Lancker 17.5% Keokuk County: Joel D. Miller 82.5%, Eric Van Lancker 17.5% Kossuth County: Joel D. Miller 77.0%, Eric Van Lancker 22.8% Lee County: Joel D. Miller 65.0%, Eric Van Lancker 34.9% Linn County: Joel D. Miller 85.0%, Eric Van Lancker 14.8% Louisa County: Joel D. Miller 74.1%, Eric Van Lancker 25.4% Lucas County: Joel D. Miller 81.7%, Eric Van Lancker 17.9% Lyon County: Joel D. Miller 71.9%, Eric Van Lancker 28.1% Madison County: Joel D. Miller 72.1%, Eric Van Lancker 27.9% Mahaska County: Joel D. Miller 73.6%, Eric Van Lancker 26.1% Marion County: Joel D. Miller 73.0%, Eric Van Lancker 26.8% Marshall County: Joel D. Miller 79.4%, Eric Van Lancker 20.4% Mills County: Joel D. Miller 68.6%, Eric Van Lancker 31.4% Mitchell County: Joel D. Miller 74.0%, Eric Van Lancker 26.0% Monona County: Joel D. Miller 75.1%, Eric Van Lancker 24.9% Monroe County: Joel D. Miller 76.6%, Eric Van Lancker 22.5% Montgomery County: Joel D. Miller 70.2%, Eric Van Lancker 29.9% Muscatine County: Joel D. Miller 65.0%, Eric Van Lancker 34.8% O'Brien County: Joel D. Miller 81.8%, Eric Van Lancker 18.2% Osceola County: Joel D. Miller 79.2%, Eric Van Lancker 20.8% Page County: Joel D. Miller 71.8%, Eric Van Lancker 28.2% Palo Alto County: Joel D. Miller 80.7%, Eric Van Lancker 19.3% Plymouth County: Joel D. Miller 78.4%, Eric Van Lancker 21.6% Pocahontas County: Joel D. Miller 76.1%, Eric Van Lancker 23.9% Polk County: Joel D. Miller 68.7%, Eric Van Lancker 30.9% Pottawattamie County: Joel D. Miller 71.2%, Eric Van Lancker 28.6% Poweshiek County: Joel D. Miller 73.3%, Eric Van Lancker 26.3% Ringgold County: Joel D. Miller 75.6%, Eric Van Lancker 24.4% Sac County: Joel D. Miller 78.8%, Eric Van Lancker 20.1% Scott County: Joel D. Miller 63.1%, Eric Van Lancker 36.7% Shelby County: Joel D. Miller 75.8%, Eric Van Lancker 24.2% Sioux County: Joel D. Miller 61.4%, Eric Van Lancker 38.3% Story County: Joel D. Miller 66.6%, Eric Van Lancker 33.1% Tama County: Joel D. Miller 78.2%, Eric Van Lancker 21.8% Taylor County: Joel D. Miller 76.1%, Eric Van Lancker 23.9% Union County: Joel D. Miller 77.8%, Eric Van Lancker 22.2% Van Buren County: Joel D. Miller 75.2%, Eric Van Lancker 23.8% Wapello County: Joel D. Miller 78.5%, Eric Van Lancker 21.1% Warren County: Joel D. Miller 70.8%, Eric Van Lancker 29.0% Washington County: Joel D. Miller 75.8%, Eric Van Lancker 24.2% Wayne County: Joel D. Miller 82.9%, Eric Van Lancker 16.4% Webster County: Joel D. Miller 73.3%, Eric Van Lancker 26.5% Winnebago County: Joel D. Miller 69.4%, Eric Van Lancker 30.6% Winneshiek County: Joel D. Miller 66.5%, Eric Van Lancker 33.5% Woodbury County: Joel D. Miller 73.4%, Eric Van Lancker 26.6% Worth County: Joel D. Miller 73.7%, Eric Van Lancker 26.3% Wright County: Joel D. Miller 68.9%, Eric Van Lancker 30.7% Darker = wider margin (under 5, 5–15, 15–30, 30+ points). Joel D. Miller led Eric Van Lancker ledHover a county for its numbers. County-by-county numbers (99 counties) County Joel D. Miller Eric Van Lancker Reporting Adair 130 (66.0%) 67 (34.0%) 100% Adams 106 (83.5%) 21 (16.5%) 100% Allamakee 330 (72.4%) 126 (27.6%) 100% Appanoose 253 (74.2%) 88 (25.8%) 100% Audubon 114 (77.5%) 33 (22.4%) 100% Benton 595 (81.2%) 138 (18.8%) 100% Black Hawk 4,174 (71.8%) 1,637 (28.1%) 100% Boone 737 (68.0%) 344 (31.8%) 100% Bremer 709 (69.4%) 313 (30.6%) 100% Buchanan 694 (84.1%) 131 (15.9%) 100% Buena Vista 180 (72.9%) 67 (27.1%) 100% Butler 252 (73.5%) 90 (26.2%) 100% Calhoun 205 (78.0%) 56 (21.3%) 100% Carroll 383 (77.2%) 112 (22.6%) 100% Cass 220 (72.1%) 84 (27.5%) 100% Cedar 575 (76.4%) 176 (23.4%) 100% Cerro Gordo 1,270 (72.2%) 487 (27.7%) 100% Cherokee 132 (75.4%) 43 (24.6%) 100% Chickasaw 322 (78.0%) 91 (22.0%) 100% Clarke 244 (78.7%) 66 (21.3%) 100% Clay 235 (75.6%) 75 (24.1%) 100% Clayton 447 (74.9%) 150 (25.1%) 100% Clinton 293 (18.5%) 1,293 (81.5%) 100% Crawford 123 (68.0%) 56 (30.9%) 100% Dallas 3,037 (69.5%) 1,327 (30.4%) 100% Davis 234 (74.3%) 81 (25.7%) 100% Decatur 170 (76.9%) 51 (23.1%) 100% Delaware 339 (75.7%) 109 (24.3%) 100% Des Moines 929 (71.6%) 366 (28.2%) 100% Dickinson 364 (77.5%) 106 (22.6%) 100% Dubuque 3,950 (69.3%) 1,739 (30.5%) 100% Emmet 125 (75.3%) 41 (24.7%) 100% Fayette 460 (79.5%) 119 (20.6%) 100% Floyd 360 (75.5%) 117 (24.5%) 100% Franklin 170 (79.4%) 44 (20.6%) 100% Fremont 84 (67.2%) 40 (32.0%) 100% Greene 240 (75.5%) 78 (24.5%) 100% Grundy 224 (68.5%) 103 (31.5%) 100% Guthrie 274 (66.7%) 136 (33.1%) 100% Hamilton 317 (73.2%) 116 (26.8%) 100% Hancock 193 (74.5%) 65 (25.1%) 100% Hardin 385 (74.2%) 133 (25.6%) 100% Harrison 177 (72.2%) 68 (27.8%) 100% Henry 391 (76.2%) 122 (23.8%) 100% Howard 128 (66.0%) 66 (34.0%) 100% Humboldt 167 (77.0%) 50 (23.0%) 100% Ida 92 (76.0%) 29 (24.0%) 100% Iowa 427 (77.9%) 119 (21.7%) 100% Jackson 502 (66.7%) 250 (33.2%) 100% Jasper 1,227 (71.5%) 486 (28.3%) 100% Jefferson 664 (56.3%) 512 (43.4%) 100% Johnson 9,215 (71.3%) 3,667 (28.4%) 100% Jones 518 (82.5%) 110 (17.5%) 100% Keokuk 222 (82.5%) 47 (17.5%) 100% Kossuth 338 (77.0%) 100 (22.8%) 100% Lee 653 (65.0%) 351 (34.9%) 100% Linn 13,009 (85.0%) 2,271 (14.8%) 100% Louisa 143 (74.1%) 49 (25.4%) 100% Lucas 187 (81.7%) 41 (17.9%) 100% Lyon 69 (71.9%) 27 (28.1%) 100% Madison 387 (72.1%) 150 (27.9%) 100% Mahaska 310 (73.6%) 110 (26.1%) 100% Marion 755 (73.0%) 277 (26.8%) 100% Marshall 971 (79.4%) 249 (20.4%) 100% Mills 186 (68.6%) 85 (31.4%) 100% Mitchell 211 (74.0%) 74 (26.0%) 100% Monona 157 (75.1%) 52 (24.9%) 100% Monroe 170 (76.6%) 50 (22.5%) 100% Montgomery 141 (70.2%) 60 (29.9%) 100% Muscatine 584 (65.0%) 313 (34.8%) 100% O'Brien 144 (81.8%) 32 (18.2%) 100% Osceola 57 (79.2%) 15 (20.8%) 100% Page 173 (71.8%) 68 (28.2%) 100% Palo Alto 209 (80.7%) 50 (19.3%) 100% Plymouth 225 (78.4%) 62 (21.6%) 100% Pocahontas 124 (76.1%) 39 (23.9%) 100% Polk 22,007 (68.7%) 9,916 (30.9%) 100% Pottawattamie 1,592 (71.2%) 639 (28.6%) 100% Poweshiek 666 (73.3%) 239 (26.3%) 100% Ringgold 124 (75.6%) 40 (24.4%) 100% Sac 149 (78.8%) 38 (20.1%) 100% Scott 4,248 (63.1%) 2,472 (36.7%) 100% Shelby 175 (75.8%) 56 (24.2%) 100% Sioux 215 (61.4%) 134 (38.3%) 100% Story 3,211 (66.6%) 1,596 (33.1%) 100% Tama 489 (78.2%) 136 (21.8%) 100% Taylor 86 (76.1%) 27 (23.9%) 100% Union 281 (77.8%) 80 (22.2%) 100% Van Buren 155 (75.2%) 49 (23.8%) 100% Wapello 996 (78.5%) 268 (21.1%) 100% Warren 1,618 (70.8%) 663 (29.0%) 100% Washington 392 (75.8%) 125 (24.2%) 100% Wayne 116 (82.9%) 23 (16.4%) 100% Webster 796 (73.3%) 288 (26.5%) 100% Winnebago 211 (69.4%) 93 (30.6%) 100% Winneshiek 761 (66.5%) 383 (33.5%) 100% Woodbury 1,794 (73.4%) 649 (26.6%) 100% Worth 126 (73.7%) 45 (26.3%) 100% Wright 164 (68.9%) 73 (30.7%) 100%
Campaign money · 2021–2022 cycle Totals for the two-year cycle from each campaign's own reports. State totals are cash contributions; in-kind gifts are listed on the candidate page. Names are matched across sources, so double-check against the original filing.
Races and results: civicAPI and the Iowa Secretary of State. State campaign finance: summary totals from reports filed with the Iowa Ethics & Campaign Disclosure Board . Federal: the Federal Election Commission .