Iowa 2nd Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +17.6% |
| 2012 | +12.9% |
| 2016 | −4.6% |
| 2020 | −4.4% |
| 2024 | −10.0% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 2 | R | 41.5%169,740 | 57.1%233,340 | 408,802 |
| 2022 | 2 | R | 45.8%145,940 | 54.1%172,181 | 318,399 |
| 2020 | 2 | R | 49.9%196,958 | 49.9%196,964 | 394,625 |
| 2018 | 2 | D | 54.8%171,446 | 42.6%133,287 | 312,913 |
| 2016 | 2 | D | 53.7%198,571 | 46.2%170,933 | 370,032 |
| 2014 | 2 | D | 52.5%143,431 | 47.4%129,455 | 273,329 |
| 2012 | 2 | D | 55.6%211,863 | 42.5%161,977 | 381,275 |
| 2010 | 2 | D | 51.0%115,839 | 45.9%104,319 | 227,175 |
| 2008 | 2 | D | 57.2%175,218 | 38.8%118,778 | 306,097 |
| 2006 | 2 | D | 51.4%107,683 | 48.6%101,707 | 209,390 |
| 2004 | 2 | R | 39.2%117,405 | 58.9%176,684 | 299,881 |
| 2002 | 2 | R | 45.7%94,767 | 52.2%108,130 | 207,171 |
| 2000 | 2 | R | 43.7%110,327 | 55.4%139,906 | 252,567 |
| 1998 | 2 | R | 44.0%83,405 | 55.2%104,613 | 189,538 |
| 1996 | 2 | R | 45.9%109,731 | 53.4%127,827 | 239,299 |
| 1994 | 2 | R | 43.4%86,087 | 56.0%111,076 | 198,487 |
| 1992 | 2 | R | 49.1%131,570 | 50.2%134,536 | 267,863 |
| 1990 | 2 | R | 48.8%81,008 | 49.8%82,650 | 166,106 |
| 1988 | 2 | R | 43.2%86,438 | 56.8%113,543 | 200,041 |
| 1986 | 2 | R | 38.7%55,903 | 61.3%88,708 | 144,630 |
| 1984 | 2 | R | 36.1%77,335 | 63.9%136,893 | 214,228 |
| 1982 | 2 | R | 41.1%69,539 | 58.8%99,478 | 169,037 |
| 1980 | 2 | R | 45.1%93,175 | 54.0%111,587 | 206,634 |
| 1978 | 2 | R | 47.1%65,450 | 52.3%72,644 | 138,978 |
| 1976 | 2 | D | 50.3%102,980 | 49.1%100,344 | 204,550 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 43.8%533,330 | 56.0%681,501 | 1,216,646 |
| 2020 | R | 45.2%754,859 | 51.8%864,997 | 1,670,617 |
| 2016 | R | 35.7%549,460 | 60.2%926,007 | 1,539,351 |
| 2014 | R | 43.8%494,370 | 52.2%588,575 | 1,128,589 |
| 2010 | R | 33.3%371,686 | 64.4%718,215 | 1,115,191 |
| 2008 | D | 62.7%941,665 | 37.3%560,006 | 1,501,671 |
| 2004 | R | 27.9%412,365 | 70.2%1,038,175 | 1,478,753 |
| 2002 | D | 54.2%554,278 | 43.8%447,892 | 1,022,374 |
| 1998 | R | 30.5%289,049 | 68.4%648,480 | 947,632 |
| 1996 | D | 51.8%634,166 | 46.7%571,807 | 1,224,054 |
| 1992 | R | 27.2%351,561 | 69.6%899,761 | 1,292,201 |
| 1990 | D | 54.5%535,975 | 45.4%446,869 | 983,933 |
| 1986 | R | 33.6%299,406 | 66.0%588,880 | 891,762 |
| 1984 | D | 55.5%716,883 | 43.7%564,381 | 1,292,700 |
| 1980 | R | 45.5%581,545 | 53.5%683,014 | 1,276,986 |
| 1978 | R | 47.9%395,066 | 51.1%421,598 | 824,576 |
Iowa's 2nd stretches across the state's southern tier, blending small agricultural cities with river-town economies. The district has trended toward Republican margins in recent cycles, posting R+9.7 in 2024 after recording narrower gaps earlier in the decade.
Across the recorded series it reached a Democratic high of 17.6 points in 2008 and a Republican high of 10.0 points in 2024. Between 2020 and 2024 the district moved 5.6 points toward the Republican candidate; the 2024 margin was 10.0 points.
A population of 797,589, a 87% non-Hispanic-white share, and a median household income of $73,764 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 1 and Congressional District 4.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Iowa 2nd Congressional District. Akashic. https://akashic.app/cd/1902/. Accessed May 20, 2026. License: CC BY 4.0.