Lehigh County, Pennsylvania: New American county. In 2024, voted D+3%. Republican peak: R+50 in 1928.
Key facts
- 2024 presidential margin
- D+3MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 378,7922024 5-year
- Median household income
- $80,0792024 5-year
- White (non-Hispanic)
- 62.3%2024 5-year
- Black
- 6.5%2024 5-year
- Hispanic / Latino
- 28.0%2024 5-year
- Peak Democratic margin
- D+36 in 1912MIT Election Lab
- Peak Republican margin
- R+50 in 1928MIT Election Lab
- Most similar
- Clark County, NV · similarity 0.95
2024 results by precinct
2024 precinct map of Lehigh CountyPrecinct-level 2024 presidential results for Lehigh 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 | +15.3% |
| 1896 | −0.7% |
| 1900 | +3.2% |
| 1904 | −7.5% |
| 1908 | −1.3% |
| 1912 | +36.4% |
| 1916 | +5.6% |
| 1920 | −23.7% |
| 1924 | −29.5% |
| 1928 | −49.5% |
| 1932 | +1.7% |
| 1936 | +15.1% |
| 1940 | +5.4% |
| 1944 | −4.0% |
| 1948 | −9.0% |
| 1952 | −15.4% |
| 1956 | −26.9% |
| 1960 | −15.5% |
| 1964 | +30.2% |
| 1968 | −3.4% |
| 1972 | −26.6% |
| 1976 | −0.3% |
| 1980 | −16.6% |
| 1984 | −20.0% |
| 1988 | −13.5% |
| 1992 | +3.6% |
| 1996 | +3.3% |
| 2000 | +1.0% |
| 2004 | +2.6% |
| 2008 | +15.5% |
| 2012 | +7.7% |
| 2016 | +4.7% |
| 2020 | +7.6% |
| 2024 | +2.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 96,317 | 91,207 | 190,368 | ||
| D | 98,288 | 84,259 | 184,713 | ||
| D | 81,324 | 73,690 | 162,733 | ||
| D | 78,283 | 66,874 | 147,224 | ||
| D | 87,089 | 63,382 | 152,473 | ||
| D | 73,940 | 70,160 | 145,091 | ||
| D | 56,667 | 55,492 | 116,307 | ||
| D | 48,568 | 45,103 | 106,110 | ||
| D | 46,711 | 42,631 | 114,836 | ||
| R | 42,801 | 56,363 | 100,107 | ||
| R | 41,089 | 61,799 | 103,537 | ||
| R | 34,827 | 50,782 | 95,985 | ||
| R | 46,620 | 46,895 | 95,308 | ||
| R | 33,325 | 58,023 | 93,002 | ||
| R | 44,033 | 47,255 | 95,408 | ||
| D | 60,377 | 32,245 | 93,093 | ||
| R | 39,640 | 54,278 | 94,167 | ||
| R | 29,067 | 50,564 | 79,882 | ||
| R | 33,033 | 45,143 | 78,479 | ||
| R | 26,826 | 32,202 | 60,022 | ||
| R | 29,134 | 31,584 | 61,033 | ||
| D | 33,007 | 29,584 | 62,950 | ||
| D | 35,325 | 25,841 | 62,621 | ||
| D | 21,939 | 21,169 | 45,093 | ||
| R | 13,463 | 40,291 | 54,188 | ||
| R | 10,415 | 20,826 | 35,284 | ||
| R | 10,863 | 18,032 | 30,310 | ||
| D | 11,920 | 10,588 | 23,702 | ||
| D | 10,834 | 2,722 | 22,311 | ||
| R | 11,285 | 11,593 | 23,757 | ||
| R | 10,138 | 11,826 | 22,358 | ||
| D | 10,438 | 9,775 | 20,517 | ||
| R | 9,369 | 9,507 | 19,443 | ||
| D | 9,699 | 7,089 | 17,019 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
21.4%
Irish
10.0%
Italian
7.6%
English
5.8%
American
4.2%
Polish
3.5%
French
1.2%
African American
5.2%
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: 39.6 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
$80,079
Lehigh County ranks in the top 25% of US counties.
Lehigh County$80,079
Pennsylvania$77,971
United States$80,734
Lehigh 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
11.6%
Children face moderate poverty.
Children under 1817.4%
Working age (18–64)9.9%
Seniors (65+)10.2%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
73.8%
speak English only
Spanish19.5%
Other Indo-European3.3%
Other languages2.0%
Asian & Pacific Islander1.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 59.8% of residents not counted as adherents by any reporting body.
Lehigh County anchors Pennsylvania's Lehigh Valley and has shifted steadily toward competitive territory over the past decade, with its mix of mid-sized-city voters in Allentown and growing Latino population reshaping its presidential margins.
Lehigh County has leaned Democratic in recent presidential elections, reaching a Democratic margin of thirty-six points in 1912. Between 2020 and 2024 it moved five points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 62% non-Hispanic-white share, a median household income of $80,079, and a population of 378,792. The county's voting pattern over the last decade is most similar to that of Clark County and Caledonia 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.
Lehigh County, Pennsylvania. Akashic. https://akashic.app/county/42077/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Lehigh County, Pennsylvania vote in 2024?
In 2024, Lehigh County, Pennsylvania voted Democratic by 2.7 points (D+3), carried by the Democratic candidate. Out of 190,368 votes cast, 96,317 went Democratic and 91,207 went Republican.
What is Lehigh County, Pennsylvania's political typology?
Akashic places Lehigh County, Pennsylvania in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. 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 17 times, Republican 17 times, and other 0 times.
When did Lehigh County, Pennsylvania last vote Republican?
The most recent presidential election in which Lehigh County, Pennsylvania voted Republican was 1988.
How many people live in Lehigh County, Pennsylvania?
Lehigh County, Pennsylvania has a population of 378,792 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Lehigh County, Pennsylvania?
Median household income in Lehigh County, Pennsylvania is $80,079 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Lehigh County, Pennsylvania?
Akashic tracks 38 presidential elections in Lehigh County, Pennsylvania from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.