akashic
1876–2024
Assembly District 31·Wisconsin

Wisconsin 31st State House District delivered R+16 in 2024 — close enough to flip again next time.

A Milwaukee-area district that has leaned modestly Democratic in recent cycles

1876 — 2024·38 elections
WI
Latest
R+16
in 2024
Archetype
Tossup
since the recent cycles
Population
73,158
2024 ACS

Wisconsin 31st State House District, Wisconsin: Tossup district. In 2024, voted R+16%. Republican peak: R+67 in 1920.

Key facts

2024 presidential margin
R+16MIT Election Lab
Political archetype
TossupAkashic typology
Population
73,1582024 5-year
Median household income
$79,4282024 5-year
White (non-Hispanic)
84.4%2024 5-year
Black
1.7%2024 5-year
Hispanic / Latino
11.6%2024 5-year
Peak Democratic margin
D+5 in 2008MIT Election Lab
Peak Republican margin
R+67 in 1920MIT Election Lab
2024 results by constituent county
2 counties · 1 D · 1 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−15.9%
17,10223,66741,361
R
−12.6%
16,90421,88239,458
R
−13.2%
13,98218,64035,196
R
−4.4%
17,03418,61936,148
D
+4.6%
18,03716,41434,987
R
−11.1%
14,96118,74834,058
R
−9.4%
12,37015,08228,763
D
+1.1%
10,38010,11523,730
R
−4.4%
9,46810,63726,661
R
−13.9%
9,51212,62022,296
R
−28.3%
7,95014,30622,424
R
−20.0%
8,56613,40124,229
R
−13.6%
9,47412,54522,587
R
−29.8%
6,72212,60519,713
R
−25.0%
6,08910,59818,007
D
+3.0%
9,1358,60117,762
R
−30.9%
6,20911,77117,998
R
−49.0%
4,02811,86216,000
R
−45.5%
4,42911,86016,320
R
−23.6%
4,5047,34912,043
R
−23.7%
4,7377,70112,497
R
−27.3%
4,6838,23913,003
R
−3.4%
5,6096,01312,001
R
−9.1%
4,9075,90310,977
R
−40.2%
3,1577,43810,662
R
−50.0%
7695,5009,455
R
−66.6%
1,1206,1467,549
R
−23.9%
1,7122,8424,737
R
−2.6%
1,4441,5534,126
R
−34.4%
1,3753,0134,756
R
−52.3%
9703,4244,690
R
−46.2%
1,2453,5645,015
R
−43.7%
1,3833,6995,305
R
−23.8%
1,5792,6834,647
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
33.0%
Irish
13.3%
English
9.4%
Polish
7.1%
Italian
4.7%
American
4.3%
French
2.0%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 41.2 in this county, 39.1 nationally
Male
Age
Female
0.8%
85+
1.4%
2.6%
75–84
2.9%
5.8%
65–74
6.1%
7.2%
55–64
7.2%
5.9%
45–54
6.0%
5.8%
35–44
5.6%
5.7%
25–34
5.2%
6.0%
18–24
5.7%
8.0%
5–17
7.5%
2.4%
<5
2.2%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$79,428
Assembly District 31 ranks near the middle of US counties.
Assembly District 31$79,428
Wisconsin$77,485
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.4%
Child poverty is below the national average.
Children under 1810.3%
Working age (18–64)8.9%
Seniors (65+)10.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
89.7%
speak English only
Spanish8.4%
Other Indo-European1.4%
Asian & Pacific Islander0.5%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
15.2%
Other Christian
11.0%
Mainline Protestant
10.9%
Methodist
1.4%
Non-Christian
1.3%
Baptist
0.4%
Pentecostal & Holiness
0.4%
Source · 2020 US Religion Census. Remaining 59.4% of residents not counted as adherents by any reporting body.

Assembly District 31 sits within the Milwaukee metropolitan orbit, where a D+5.3 presidential margin in 2024 reflects the competitive suburban dynamics that have reshaped legislative races across southeastern Wisconsin.

The district's recent history is a story of close margins. The Democratic margin reached five points in 2008; the Republican margin reached sixty-seven points in 1920. Most other elections have been decided by single-digit points.

Its demographics — a population of 73,158, a 84% non-Hispanic-white share, a median household income of $79,428 — situate the district close to national averages on several dimensions.

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Assembly District 31, Wisconsin. Akashic. https://akashic.app/sld-lower/55031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Assembly District 31, Wisconsin vote in 2024?
In 2024, Assembly District 31, Wisconsin voted Republican by 15.9 points (R+16), carried by the Republican candidate. Out of 41,361 votes cast, 17,102 went Democratic and 23,667 went Republican.
What is Assembly District 31, Wisconsin's political archetype?
Akashic classifies Assembly District 31, Wisconsin as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 3 times, Republican 31 times, and other 0 times.
When did Assembly District 31, Wisconsin last vote Democratic?
The most recent presidential election in which Assembly District 31, Wisconsin voted Democratic was 2008.
How many people live in Assembly District 31, Wisconsin?
Assembly District 31, Wisconsin has a population of 73,158 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Assembly District 31, Wisconsin?
Median household income in Assembly District 31, Wisconsin is $79,428 — below the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Assembly District 31, Wisconsin?
Akashic tracks 38 presidential elections in Assembly District 31, Wisconsin from 1876 to 2024. Of those, 3 went Democratic and 31 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.