- Lead
- 8,867
- Total
- 44,559
- vs nation
- R+18.4
- Turnout
- 63.9%
Pottawattamie County, IA
▦ precinct · ▥ counties · ▢ no spatial detail
President margin by year
Place winner margin
President results by year
2024 turnout 63.9% of 70,007 citizens 18+
- Lead
- 7,672
- Total
- 45,744
- vs nation
- R+21.2
- Turnout
- 66.0%
- Lead
- 9,092
- Total
- 43,058
- vs nation
- R+23.2
- Turnout
- 62.2%
- Lead
- 2,216
- Total
- 42,301
- vs nation
- R+9.1
- Turnout
- —
- Lead
- 801
- Total
- 42,320
- vs nation
- R+9.2
- Turnout
- —
- Lead
- 7,652
- Total
- 41,820
- vs nation
- R+15.8
- Turnout
- —
- Lead
- 4,057
- Total
- 34,467
- vs nation
- R+12.3
- Turnout
- —
- Lead
- 2,372
- Total
- 32,821
- vs nation
- R+15.7
- Turnout
- —
Key facts
- 2024 presidential margin
- R+19.9MIT Election Lab
- Population
- 93,4242024 5-year
- Population density
- 98 / sq mi2024 5-year · TIGER/Line
- Land area
- 951 sq miTIGER/Line
- Median household income
- $73,6022024 5-year
- White (non-Hispanic)
- 84.5%2024 5-year
- Black
- 1.8%2024 5-year
- Hispanic / Latino
- 9.1%2024 5-year
- Peak Democratic margin
- D+27.3 in 1912MIT Election Lab
- Peak Republican margin
- R+40.9 in 1972MIT Election Lab
- Most similar
- Green County, WI · twin score 80.1
Turnout and midterm durability
Participation measured against the same-year citizen voting-age population. Audited cycles count total general-election participants — ballots or participating voters, not presidential candidate votes. Cycles before 2016 predate that series and are derived from the certified presidential returns instead; they are marked everywhere they appear and are excluded from the figures below.
- 2024 turnout
- 63.9%44,766 participants ÷ 70,007 CVAP
- 2020→2022 drop-off
- +24.2 ptsPresidential-dependent
- Drop-off vs state
- +3.2 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026
- 39.7%–45.6%Recent-cycle and two-cycle persistence scenarios; not a forecast
Select a presidential cycle to show it on the map and results ledger above.
| Cycle | Participants | CVAP | Turnout | Series | Quality |
|---|---|---|---|---|---|
| 44,766 | 70,007 ± 423 | 63.9% | Audited | A/A | |
| 2022Mid | 29,173 | 69,866 ± 416 | 41.8% | Audited | A/A |
| 45,942 | 69,651 ± 412 | 66.0% | Audited | A/A | |
| 2018Mid | 34,332 | 69,207 ± 372 | 49.6% | Audited | A/A |
| 43,058 | 69,239 ± 367 | 62.2% | Audited | A/A | |
| 42,301 | 68,877 | 61.4% | Derived | — | |
| 42,320 | 66,541 | 63.6% | Derived | — | |
| 41,820 | 64,205 extrapolated | 65.1% | Derived | — |
Sources and methods
Audited cycles (2016, 2018, 2020, 2022, 2024) count total general-election participants against the same-year CVAP special tabulation, each cell carrying its own numerator and denominator quality grade. Derived cycles (2004, 2008, 2012) come from the certified presidential returns on this page over the ACS 5-year CVAP series, so they measure presidential votes cast rather than ballots — a floor on participation. Where a derived cycle predates the ACS its denominator is extrapolated rather than read, and says so on its own line below. They are shown for the longer arc and are excluded from the drop-off, excess-drop-off, and 2026 scenario figures above.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2012 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
- 2008 (derived): Certified presidential returns · ACS 5-year CVAP (B05003); presidential votes cast — a floor on participation, not a ballot count.
- 2004 (derived): Certified presidential returns · extrapolated CVAP denominator; presidential votes cast — a floor on participation, not a ballot count; 2004 predates the ACS, so the denominator is a linear back-extrapolation from the 2008 and 2012 CVAP values, not a read figure.
Interactive election map
One map. Every available contest.
The map and local result cover Pottawattamie County only. The complete contest result is shown below for comparison.
Pottawattamie County result
0 precinct units · 0 candidate votes
Governor contest result
Loading the complete contest result…
Explore precinct resultsSearch, sort, compare years, or export CSV · 40 precincts
Precinct data
Results by precinct
40 precincts · 44,411 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Council Bluffs 22Council Bluffs 22 | 848 | 1,317 | 32 | 2,197 | 38.6% | 59.9% | R+21.3 |
|---|---|---|---|---|---|---|---|
| Precinct -GarnerGarner | 670 | 1,398 | 21 | 2,089 | 32.1% | 66.9% | R+34.8 |
| Precinct -UnderwoodUnderwood | 567 | 1,229 | 24 | 1,820 | 31.2% | 67.5% | R+36.4 |
| Precinct -Council Bluffs 10Council Bluffs 10 | 824 | 970 | 22 | 1,816 | 45.4% | 53.4% | R+8.0 |
| Precinct -TreynorTreynor | 446 | 1,300 | 20 | 1,766 | 25.3% | 73.6% | R+48.4 |
| Precinct -Council Bluffs 08Council Bluffs 08 | 800 | 871 | 29 | 1,700 | 47.1% | 51.2% | R+4.2 |
| Precinct -CrescentCrescent | 590 | 1,062 | 24 | 1,676 | 35.2% | 63.4% | R+28.2 |
| Precinct -Lewis 2Lewis 2 | 517 | 1,056 | 13 | 1,586 | 32.6% | 66.6% | R+34.0 |
| Precinct -Council Bluffs 06Council Bluffs 06 | 715 | 747 | 22 | 1,484 | 48.2% | 50.3% | R+2.2 |
| Precinct -Council Bluffs 09Council Bluffs 09 | 687 | 759 | 13 | 1,459 | 47.1% | 52.0% | R+4.9 |
| Precinct -Council Bluffs 07Council Bluffs 07 | 668 | 721 | 32 | 1,421 | 47.0% | 50.7% | R+3.7 |
| Precinct -Council Bluffs 12Council Bluffs 12 | 615 | 764 | 21 | 1,400 | 43.9% | 54.6% | R+10.6 |
| Precinct -Council Bluffs 11Council Bluffs 11 | 687 | 666 | 20 | 1,373 | 50.0% | 48.5% | D+1.5 |
| Precinct -Lewis 1Lewis 1 | 495 | 842 | 17 | 1,354 | 36.6% | 62.2% | R+25.6 |
| Precinct -Council Bluffs 17Council Bluffs 17 | 553 | 649 | 19 | 1,221 | 45.3% | 53.2% | R+7.9 |
| Precinct -Council Bluffs 02Council Bluffs 02 | 513 | 630 | 21 | 1,164 | 44.1% | 54.1% | R+10.1 |
| Precinct -Council Bluffs 18Council Bluffs 18 | 491 | 657 | 8 | 1,156 | 42.5% | 56.8% | R+14.4 |
| Precinct -AvocaAvoca | 372 | 760 | 15 | 1,147 | 32.4% | 66.3% | R+33.8 |
| Precinct -OaklandOakland | 331 | 800 | 14 | 1,145 | 28.9% | 69.9% | R+41.0 |
| Precinct -Council Bluffs 16Council Bluffs 16 | 443 | 557 | 25 | 1,025 | 43.2% | 54.3% | R+11.1 |
| Precinct -Council Bluffs 20Council Bluffs 20 | 421 | 550 | 12 | 983 | 42.8% | 56.0% | R+13.1 |
| Precinct -Council Bluffs 05Council Bluffs 05 | 406 | 540 | 12 | 958 | 42.4% | 56.4% | R+14.0 |
| Precinct -Council Bluffs 19Council Bluffs 19 | 403 | 531 | 14 | 948 | 42.5% | 56.0% | R+13.5 |
| Precinct -Council Bluffs 03Council Bluffs 03 | 423 | 499 | 14 | 936 | 45.2% | 53.3% | R+8.1 |
| Precinct -Council Bluffs 04Council Bluffs 04 | 381 | 529 | 10 | 920 | 41.4% | 57.5% | R+16.1 |
| Precinct -CarsonCarson | 235 | 640 | 14 | 889 | 26.4% | 72.0% | R+45.6 |
| Precinct -Council Bluffs 21Council Bluffs 21 | 352 | 504 | 12 | 868 | 40.6% | 58.1% | R+17.5 |
| Precinct -Council Bluffs 15Council Bluffs 15 | 418 | 421 | 12 | 851 | 49.1% | 49.5% | R+0.4 |
| Precinct -Council Bluffs 01Council Bluffs 01 | 369 | 462 | 18 | 849 | 43.5% | 54.4% | R+11.0 |
| Precinct -Council Bluffs 14Council Bluffs 14 | 362 | 450 | 11 | 823 | 44.0% | 54.7% | R+10.7 |
| Precinct -Carter Lake 1Carter Lake 1 | 345 | 435 | 13 | 793 | 43.5% | 54.9% | R+11.3 |
| Precinct -Carter Lake 2Carter Lake 2 | 275 | 461 | 15 | 751 | 36.6% | 61.4% | R+24.8 |
| Precinct -Council Bluffs 13Council Bluffs 13 | 395 | 331 | 3 | 729 | 54.2% | 45.4% | D+8.8 |
| Precinct -MindenMinden | 169 | 540 | 5 | 714 | 23.7% | 75.6% | R+52.0 |
| Precinct -BoomerBoomer | 177 | 477 | 8 | 662 | 26.7% | 72.1% | R+45.3 |
| Precinct -WalnutWalnut | 186 | 390 | 10 | 586 | 31.7% | 66.6% | R+34.8 |
| Precinct -NeolaNeola | 157 | 343 | 9 | 509 | 30.8% | 67.4% | R+36.5 |
| Precinct -MacedoniaMacedonia | 84 | 247 | 2 | 333 | 25.2% | 74.2% | R+48.9 |
| Precinct -HancockHancock | 54 | 158 | 0 | 212 | 25.5% | 74.5% | R+49.1 |
| Precinct -McClellandMcClelland | 24 | 72 | 2 | 98 | 24.5% | 73.5% | R+49.0 |
presidential history
Party record book
Pottawattamie County, IA · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
62.6%
16,674 votes · D+26.7
Runner-up · Franklin D. Roosevelt, 1936 · 56.2%
Republican
Richard Nixon1972
69.3%
19,722 votes · R+40.9
Runner-up · Warren G. Harding, 1920 · 64.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
20,436votes
48.3% of the vote · R+1.9
Runner-up · Barack Obama, 2012 · 19,644 votes
Republican
Donald Trump2024
26,335votes
59.1% of the vote · R+19.9
Runner-up · Donald Trump, 2020 · 26,247 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Franklin D. Roosevelt1932
+8.9pts D vs U.S.
Place D+26.7 · U.S. D+17.8
Runner-up · Woodrow Wilson, 1912 · +7.8 pts
Republican
Donald Trump2016
+23.2pts R vs U.S.
Place R+21.1 · U.S. D+2.1
Runner-up · Richard Nixon, 1968 · +22.3 pts
Current officeholders
Seats representing Pottawattamie County, IA. A county elects none of these itself — they are the members for the 1 congressional, 2 state senate and 3 state house districts it falls inside, so parts of the county are represented by different members.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 5.4 points more Republican than the rolls.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 60,617 | 19,362 | 20,624 | 20,612 | 19 |
| 2010 | 62,447 | 19,492 | 21,385 | 21,521 | 49 |
| 2012 | 63,067 | 18,795 | 22,903 | 21,294 | 75 |
| 2014 | 62,068 | 17,575 | 22,241 | 22,055 | 197 |
| 2016 | 63,459 | 17,655 | 22,967 | 22,358 | 479 |
| 2018 | 65,489 | 17,868 | 23,259 | 23,654 | 708 |
| 2020 | 66,297 | 19,048 | 25,328 | 21,090 | 831 |
| 2022 | 64,956 | 17,686 | 25,440 | 20,935 | 895 |
| 2024 | 65,522 | 16,914 | 26,396 | 21,236 | 976 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−23 net domestic migration · 2025
Net −3,214 over 2011–2025 · gain loss
Arrivals reported $52,167 in average income, against $81,448 for residents who stayed — 36% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+4.1 on average — 16 points more Democratic-leaning than Pottawattamie County, IA itself (R+19.9).
Where arrivals came from lean of each source
- Douglas County, NE787D+10.1
- Sarpy County, NE229R+11.6
- Mills County, IA81R+39.0
- Harrison County, IA62R+41.7
- Shelby County, IA50R+42.9
- Cass County, IA40R+40.6
Where departures went households, 2022–23
- Douglas County, NE692
- Sarpy County, NE205
- Mills County, IA84
- Shelby County, IA66
- Harrison County, IA60
- Polk County, IA51
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −272 |
| 2012 | −927 |
| 2013 | −396 |
| 2014 | +78 |
| 2015 | +1 |
| 2016 | −370 |
| 2017 | −349 |
| 2018 | −322 |
| 2019 | −216 |
| 2021 | −170 |
| 2022 | −269 |
| 2023 | +70 |
| 2024 | −49 |
| 2025 | −23 |
Home to Council Bluffs and sitting at Iowa's western edge across from Omaha, Pottawattamie gave Republicans a nearly 20-point margin in 2024 — a swing of roughly 30 points from its competitive posture two decades ago.
Across the recorded series it reached a Democratic high of 27.3 points in 1912 and a Republican high of 40.9 points in 1972. Between 2020 and 2024 the county moved 3.1 points toward the Republican candidate; the 2024 margin was 19.9 points.
A population of 93,424, a 85% non-Hispanic-white share, and a median household income of $73,602 describe the county. The county's voting pattern over the last decade is most similar to that of Green County and Delaware County.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Pottawattamie County, Iowa. Akashic. https://akashic.app/county/19155/. Accessed May 20, 2026. License: CC BY 4.0.