Pennsylvania 31st State House District, Pennsylvania: Tossup district. In 2024, voted a near-tie. Republican peak: R+54 in 1928.
Key facts
- 2024 presidential margin
- TiedMIT Election Lab
- Political archetype
- TossupAkashic typology
- Population
- 55,8232024 5-year
- Median household income
- $114,7642024 5-year
- White (non-Hispanic)
- 81.1%2024 5-year
- Black
- 3.8%2024 5-year
- Hispanic / Latino
- 6.6%2024 5-year
- Peak Democratic margin
- D+22 in 1964MIT Election Lab
- Peak Republican margin
- R+54 in 1928MIT Election Lab
Constituent county margins for State House District 31, PAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 17,108 | 17,134 | 34,690 | ||
| D | 17,650 | 16,155 | 34,163 | ||
| D | 14,404 | 14,171 | 29,749 | ||
| D | 13,840 | 13,500 | 27,699 | ||
| D | 15,436 | 12,954 | 28,704 | ||
| D | 14,091 | 13,318 | 27,574 | ||
| D | 11,460 | 10,512 | 22,712 | ||
| D | 8,908 | 8,182 | 19,603 | ||
| D | 8,441 | 8,155 | 21,426 | ||
| R | 7,111 | 10,998 | 18,334 | ||
| R | 6,429 | 11,219 | 17,737 | ||
| R | 5,097 | 8,668 | 15,620 | ||
| R | 6,884 | 7,383 | 14,564 | ||
| R | 4,896 | 8,595 | 13,800 | ||
| R | 4,969 | 6,005 | 12,347 | ||
| D | 6,750 | 4,332 | 11,137 | ||
| R | 4,930 | 5,820 | 10,787 | ||
| R | 3,323 | 5,161 | 8,500 | ||
| R | 2,095 | 3,514 | 5,633 | ||
| R | 1,436 | 2,536 | 4,060 | ||
| R | 1,537 | 2,210 | 3,770 | ||
| R | 1,775 | 2,170 | 3,965 | ||
| D | 2,083 | 2,057 | 4,216 | ||
| R | 1,219 | 1,925 | 3,260 | ||
| R | 728 | 2,450 | 3,205 | ||
| R | 567 | 1,505 | 2,251 | ||
| R | 592 | 1,218 | 1,869 | ||
| R | 646 | 799 | 1,481 | ||
| D | 584 | 470 | 1,469 | ||
| R | 624 | 811 | 1,466 | ||
| R | 579 | 825 | 1,430 | ||
| R | 628 | 799 | 1,449 | ||
| R | 576 | 845 | 1,466 | ||
| D | 723 | 710 | 1,456 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
22.0%
German
20.0%
Italian
13.8%
English
10.0%
Polish
6.5%
American
4.7%
Scottish
1.6%
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: 44.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$114,764
State House District 31 ranks near the middle of US counties.
State House District 31$114,764
Pennsylvania$77,971
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
6.1%
Child poverty is below the national average.
Children under 187.1%
Working age (18–64)5.7%
Seniors (65+)7.6%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
86.6%
speak English only
Other Indo-European6.4%
Spanish4.1%
Asian & Pacific Islander2.2%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 49.1% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+53.1, this district ranks among the most politically uniform in the state, suggesting a rural or small-town constituency where statewide Democratic candidates rarely compete seriously.
The district's recent history is a story of close margins. The Democratic margin reached twenty-two points in 1964; the Republican margin reached fifty-four points in 1928. Most other elections have been decided by single-digit points.
Its demographics — a population of 55,823, a 81% non-Hispanic-white share, a median household income of $114,764 — 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.
State House District 31, Pennsylvania. Akashic. https://akashic.app/sld-lower/42031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 31, Pennsylvania vote in 2024?
In 2024, State House District 31, Pennsylvania voted a near-tie (Tied), carried by the Republican candidate. Out of 34,690 votes cast, 17,108 went Democratic and 17,134 went Republican.
What is State House District 31, Pennsylvania's political archetype?
Akashic classifies State House District 31, Pennsylvania as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 12 times, Republican 22 times, and other 0 times.
When did State House District 31, Pennsylvania last vote Democratic?
The most recent presidential election in which State House District 31, Pennsylvania voted Democratic was 2020.
How many people live in State House District 31, Pennsylvania?
State House District 31, Pennsylvania has a population of 55,823 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 31, Pennsylvania?
Median household income in State House District 31, Pennsylvania is $114,764 — above the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of State House District 31, Pennsylvania?
Akashic tracks 38 presidential elections in State House District 31, Pennsylvania from 1876 to 2024. Of those, 12 went Democratic and 22 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.