Dauphin County, Pennsylvania: Diversifying Metro county. In 2024, voted D+6%. Republican peak: R+68 in 1928.
Key facts
- 2024 presidential margin
- D+6MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 289,5932024 5-year
- Median household income
- $76,2422024 5-year
- White (non-Hispanic)
- 63.0%2024 5-year
- Black
- 17.2%2024 5-year
- Hispanic / Latino
- 11.8%2024 5-year
- Peak Democratic margin
- D+9 in 2008MIT Election Lab
- Peak Republican margin
- R+68 in 1928MIT Election Lab
- Most similar
- Hopewell city, VA · similarity 0.97
2024 results by precinct
2024 precinct map of Dauphin CountyPrecinct-level 2024 presidential results for Dauphin County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −18.2% |
| 1896 | −37.0% |
| 1900 | −31.9% |
| 1904 | −50.4% |
| 1908 | −32.8% |
| 1912 | +5.6% |
| 1916 | −9.2% |
| 1920 | −35.3% |
| 1924 | −46.0% |
| 1928 | −68.2% |
| 1932 | −23.1% |
| 1936 | +4.4% |
| 1940 | −5.0% |
| 1944 | −18.5% |
| 1948 | −25.4% |
| 1952 | −30.6% |
| 1956 | −35.3% |
| 1960 | −28.9% |
| 1964 | +3.8% |
| 1968 | −28.0% |
| 1972 | −40.5% |
| 1976 | −15.0% |
| 1980 | −21.4% |
| 1984 | −23.4% |
| 1988 | −16.3% |
| 1992 | −8.6% |
| 1996 | −3.7% |
| 2000 | −9.2% |
| 2004 | −8.2% |
| 2008 | +9.1% |
| 2012 | +6.0% |
| 2016 | +2.9% |
| 2020 | +8.5% |
| 2024 | +5.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 78,327 | 69,474 | 150,081 | ||
| D | 78,983 | 66,408 | 147,368 | ||
| D | 64,706 | 60,863 | 131,783 | ||
| D | 64,965 | 57,450 | 124,301 | ||
| D | 69,975 | 58,238 | 129,529 | ||
| R | 55,299 | 65,296 | 121,208 | ||
| R | 44,390 | 53,631 | 100,658 | ||
| R | 40,936 | 44,417 | 92,971 | ||
| R | 36,990 | 45,479 | 98,910 | ||
| R | 35,079 | 48,917 | 84,677 | ||
| R | 33,576 | 54,330 | 88,658 | ||
| R | 27,252 | 44,039 | 78,387 | ||
| R | 34,342 | 46,819 | 83,122 | ||
| R | 22,587 | 54,307 | 78,270 | ||
| R | 25,480 | 48,394 | 81,788 | ||
| D | 46,119 | 42,718 | 89,431 | ||
| R | 33,962 | 61,726 | 96,115 | ||
| R | 29,226 | 61,342 | 90,943 | ||
| R | 30,985 | 58,385 | 89,656 | ||
| R | 27,729 | 46,861 | 75,386 | ||
| R | 30,684 | 44,725 | 75,742 | ||
| R | 38,305 | 42,394 | 80,981 | ||
| D | 43,256 | 39,598 | 83,498 | ||
| R | 22,412 | 36,278 | 60,152 | ||
| R | 9,115 | 49,108 | 58,617 | ||
| R | 9,004 | 27,838 | 40,916 | ||
| R | 11,990 | 26,094 | 39,923 | ||
| R | 11,483 | 13,954 | 26,752 | ||
| O | 7,470 | 6,012 | 25,819 | ||
| R | 7,546 | 15,637 | 24,671 | ||
| R | 5,040 | 16,508 | 22,734 | ||
| R | 7,390 | 14,673 | 22,846 | ||
| R | 6,584 | 14,752 | 22,069 | ||
| R | 7,520 | 11,010 | 19,157 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
21.8%
Irish
10.7%
English
6.6%
Italian
6.5%
American
5.6%
Polish
2.7%
Scottish
1.3%
African American
13.8%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
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.
2024 ACS
Age distribution by sex
Median age: 39.4 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$76,242
Dauphin County ranks in the top 25% of US counties.
Dauphin County$76,242
Pennsylvania$77,971
United States$80,734
Dauphin County ranks in the top 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
12.9%
Children face moderate poverty.
Children under 1816.7%
Working age (18–64)11.5%
Seniors (65+)14.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
85.2%
speak English only
Spanish6.8%
Other Indo-European5.1%
Asian & Pacific Islander2.0%
Other languages1.0%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.4% of residents not counted as adherents by any reporting body.
Harrisburg anchors Dauphin County's Democratic lean, but surrounding townships keep margins tight — the county voted D+5.9 in 2024, a narrower gap than many mid-size Pennsylvania counties with comparable urban cores.
The Democratic margin here reached nine points in 2008. Between 2020 and 2024 the county moved three points toward the Republican candidate; the 2024 margin was six points.
A population of 289,593, a 63% non-Hispanic-white share, and a median household income of $76,242 describe the county. The county's voting pattern over the last decade is most similar to that of Hopewell city and Kane County.
Most similar counties
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.
Dauphin County, Pennsylvania. Akashic. https://akashic.app/county/42043/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Pennsylvania
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Frequently asked questions
How did Dauphin County, Pennsylvania vote in 2024?
In 2024, Dauphin County, Pennsylvania voted Democratic by 5.9 points (D+6), carried by the Democratic candidate. Out of 150,081 votes cast, 78,327 went Democratic and 69,474 went Republican.
What is Dauphin County, Pennsylvania's political typology?
Akashic places Dauphin County, Pennsylvania in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 7 times, Republican 26 times, and other 1 times.
When did Dauphin County, Pennsylvania last vote Republican?
The most recent presidential election in which Dauphin County, Pennsylvania voted Republican was 2004.
How many people live in Dauphin County, Pennsylvania?
Dauphin County, Pennsylvania has a population of 289,593 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Dauphin County, Pennsylvania?
Median household income in Dauphin County, Pennsylvania is $76,242 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Dauphin County, Pennsylvania?
Akashic tracks 38 presidential elections in Dauphin County, Pennsylvania from 1876 to 2024. Of those, 7 went Democratic and 26 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.