Jefferson County, Pennsylvania: Farm Belt county. In 2024, voted R+58%. Republican peak: R+59 in 2016.
Key facts
- 2024 presidential margin
- R+58MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 43,8642024 5-year
- Median household income
- $58,6862024 5-year
- White (non-Hispanic)
- 95.9%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 1.0%2024 5-year
- Peak Democratic margin
- D+13 in 1964MIT Election Lab
- Peak Republican margin
- R+59 in 2016MIT Election Lab
- Most similar
- Wayne County, IL · similarity 1.00
2024 results by precinct
2024 precinct map of Jefferson CountyPrecinct-level 2024 presidential results for Jefferson 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 | −10.4% |
| 1896 | −19.0% |
| 1900 | −30.3% |
| 1904 | −44.4% |
| 1908 | −28.4% |
| 1912 | +10.5% |
| 1916 | −12.9% |
| 1920 | −41.1% |
| 1924 | −48.7% |
| 1928 | −50.2% |
| 1932 | −10.7% |
| 1936 | −3.7% |
| 1940 | −17.0% |
| 1944 | −25.9% |
| 1948 | −24.6% |
| 1952 | −29.9% |
| 1956 | −32.6% |
| 1960 | −27.8% |
| 1964 | +12.9% |
| 1968 | −18.4% |
| 1972 | −39.2% |
| 1976 | −11.6% |
| 1980 | −19.9% |
| 1984 | −31.0% |
| 1988 | −21.8% |
| 1992 | −7.2% |
| 1996 | −14.0% |
| 2000 | −33.6% |
| 2004 | −37.3% |
| 2008 | −29.8% |
| 2012 | −45.4% |
| 2016 | −58.9% |
| 2020 | −58.9% |
| 2024 | −58.4% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 4,707 | 18,235 | 23,183 | ||
| R | 4,527 | 17,960 | 22,824 | ||
| R | 3,650 | 15,192 | 19,595 | ||
| R | 4,787 | 13,048 | 18,178 | ||
| R | 6,447 | 12,057 | 18,802 | ||
| R | 6,073 | 13,371 | 19,560 | ||
| R | 5,566 | 11,473 | 17,586 | ||
| R | 5,846 | 8,156 | 16,457 | ||
| R | 5,998 | 7,271 | 17,711 | ||
| R | 6,235 | 9,743 | 16,109 | ||
| R | 5,950 | 11,334 | 17,355 | ||
| R | 6,296 | 9,628 | 16,778 | ||
| R | 7,456 | 9,437 | 17,130 | ||
| R | 5,024 | 11,631 | 16,876 | ||
| R | 6,839 | 10,214 | 18,347 | ||
| D | 10,851 | 8,373 | 19,261 | ||
| R | 7,811 | 13,845 | 21,694 | ||
| R | 6,627 | 13,051 | 19,697 | ||
| R | 6,365 | 11,833 | 18,314 | ||
| R | 5,632 | 9,395 | 15,295 | ||
| R | 6,425 | 10,970 | 17,547 | ||
| R | 8,559 | 12,081 | 20,687 | ||
| R | 11,080 | 11,943 | 23,306 | ||
| R | 6,570 | 8,246 | 15,713 | ||
| R | 4,325 | 13,233 | 17,731 | ||
| R | 2,664 | 10,673 | 16,450 | ||
| R | 3,060 | 7,970 | 11,950 | ||
| R | 3,253 | 4,332 | 8,373 | ||
| O | 2,510 | 1,608 | 8,622 | ||
| R | 2,986 | 5,652 | 9,393 | ||
| R | 2,095 | 5,860 | 8,482 | ||
| R | 3,063 | 5,950 | 9,538 | ||
| R | 3,671 | 5,500 | 9,619 | ||
| R | 3,251 | 4,100 | 8,133 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
27.8%
Irish
11.8%
English
10.4%
Italian
9.1%
American
6.5%
Polish
4.0%
Scottish
1.7%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
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: 44.0 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
$58,686
Jefferson County ranks near the middle of US counties.
Jefferson County$58,686
Pennsylvania$77,971
United States$80,734
Jefferson County ranks near the middle 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
14.1%
Children face moderate poverty.
Children under 1819.6%
Working age (18–64)12.6%
Seniors (65+)13.3%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
95.6%
speak English only
Other Indo-European3.7%
Spanish0.4%
Asian & Pacific Islander0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 52.3% of residents not counted as adherents by any reporting body.
A rural, heavily forested county in the Allegheny Plateau, Jefferson delivered a 58.5-point Republican presidential margin in 2024—among the widest gaps in a state defined by its competitive, closely divided major metros.
The Republican margin here reached fifty-nine points in 2016. Between 2020 and 2024 the county moved one point toward the Democratic candidate; the 2024 margin was fifty-eight points.
A population of 43,864, a 96% non-Hispanic-white share, and a median household income of $58,686 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Wayne County and Edwards 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.
Jefferson County, Pennsylvania. Akashic. https://akashic.app/county/42065/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Pennsylvania
More farm belt counties
Frequently asked questions
How did Jefferson County, Pennsylvania vote in 2024?
In 2024, Jefferson County, Pennsylvania voted Republican by 58.4 points (R+58), carried by the Republican candidate. Out of 23,183 votes cast, 4,707 went Democratic and 18,235 went Republican.
What is Jefferson County, Pennsylvania's political typology?
Akashic places Jefferson County, Pennsylvania in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. 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 1 times, Republican 32 times, and other 1 times.
When did Jefferson County, Pennsylvania last vote Democratic?
The most recent presidential election in which Jefferson County, Pennsylvania voted Democratic was 1964.
How many people live in Jefferson County, Pennsylvania?
Jefferson County, Pennsylvania has a population of 43,864 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jefferson County, Pennsylvania?
Median household income in Jefferson County, Pennsylvania is $58,686 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Jefferson County, Pennsylvania?
Akashic tracks 38 presidential elections in Jefferson County, Pennsylvania from 1876 to 2024. Of those, 1 went Democratic and 32 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.