Hillsborough County, New Hampshire: Diversifying Metro county. In 2024, voted D+3%. Republican peak: R+42 in 1896.
Key facts
- 2024 presidential margin
- D+3MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 426,3782024 5-year
- Median household income
- $103,5452024 5-year
- White (non-Hispanic)
- 81.6%2024 5-year
- Black
- 2.5%2024 5-year
- Hispanic / Latino
- 8.5%2024 5-year
- Peak Democratic margin
- D+34 in 1964MIT Election Lab
- Peak Republican margin
- R+42 in 1896MIT Election Lab
- Most similar
- Rockingham County, NH · similarity 0.93
2024 results by precinct
2024 precinct map of Hillsborough CountyPrecinct-level 2024 presidential results for Hillsborough 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 | −5.7% |
| 1896 | −42.1% |
| 1900 | −20.0% |
| 1904 | −17.2% |
| 1908 | −17.6% |
| 1912 | +4.0% |
| 1916 | +4.7% |
| 1920 | −10.2% |
| 1924 | −14.3% |
| 1928 | +9.2% |
| 1932 | +16.3% |
| 1936 | +19.1% |
| 1940 | +23.8% |
| 1944 | +24.0% |
| 1948 | +19.1% |
| 1952 | +0.6% |
| 1956 | −11.1% |
| 1960 | +15.1% |
| 1964 | +34.2% |
| 1968 | +3.3% |
| 1972 | −30.1% |
| 1976 | −8.0% |
| 1980 | −32.3% |
| 1984 | −41.8% |
| 1988 | −31.3% |
| 1992 | −2.0% |
| 1996 | +8.1% |
| 2000 | −1.8% |
| 2004 | −2.9% |
| 2008 | +3.7% |
| 2012 | +1.1% |
| 2016 | −0.2% |
| 2020 | +7.6% |
| 2024 | +2.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 118,777 | 112,059 | 234,443 | ||
| D | 122,344 | 104,625 | 231,659 | ||
| R | 99,589 | 100,013 | 214,157 | ||
| D | 102,303 | 99,991 | 205,667 | ||
| D | 104,820 | 97,178 | 203,799 | ||
| R | 94,121 | 99,724 | 195,247 | ||
| R | 77,625 | 80,649 | 165,761 | ||
| D | 71,282 | 59,441 | 146,635 | ||
| R | 58,470 | 61,620 | 157,840 | ||
| R | 45,799 | 88,261 | 135,778 | ||
| R | 33,314 | 81,462 | 115,251 | ||
| R | 31,789 | 68,994 | 115,304 | ||
| R | 45,544 | 53,581 | 100,880 | ||
| R | 34,739 | 65,274 | 101,377 | ||
| D | 45,423 | 42,409 | 92,169 | ||
| D | 60,236 | 29,503 | 89,739 | ||
| D | 52,135 | 38,430 | 90,565 | ||
| R | 36,234 | 45,248 | 81,528 | ||
| D | 41,802 | 41,263 | 83,065 | ||
| D | 41,789 | 28,257 | 70,742 | ||
| D | 42,306 | 25,921 | 68,236 | ||
| D | 42,580 | 26,201 | 68,781 | ||
| D | 34,992 | 23,293 | 61,180 | ||
| D | 32,458 | 23,308 | 56,161 | ||
| D | 29,457 | 24,465 | 54,087 | ||
| R | 16,002 | 22,098 | 42,773 | ||
| R | 18,736 | 23,040 | 42,322 | ||
| D | 10,939 | 9,927 | 21,428 | ||
| D | 8,909 | 8,007 | 22,294 | ||
| R | 8,701 | 12,568 | 21,938 | ||
| R | 8,831 | 12,603 | 21,904 | ||
| R | 8,339 | 12,653 | 21,535 | ||
| R | 4,965 | 13,080 | 19,293 | ||
| R | 8,785 | 9,875 | 18,963 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
19.9%
English
14.5%
French
10.3%
Italian
10.0%
German
8.1%
Polish
3.7%
American
3.3%
African American
2.0%
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: 41.0 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
$103,545
Hillsborough County ranks in the top 5% of US counties.
Hillsborough County$103,545
New Hampshire$99,031
United States$80,734
Hillsborough County ranks in the top 5% 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
6.7%
Child poverty is below the national average.
Children under 188.5%
Working age (18–64)6.1%
Seniors (65+)8.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
86.1%
speak English only
Other Indo-European5.4%
Spanish5.3%
Asian & Pacific Islander2.1%
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 72.2% of residents not counted as adherents by any reporting body.
Home to Manchester and Nashua, Hillsborough County anchors New Hampshire's urban Democratic base while its smaller towns pull the other direction, producing presidential margins that have hovered within single digits for over a decade.
The Democratic margin here reached thirty-four points in 1964. Between 2020 and 2024 the county moved five points toward the Republican candidate; the 2024 margin was three points.
A population of 426,378, a 82% non-Hispanic-white share, and a median household income of $103,545 describe the county. The county's voting pattern over the last decade is most similar to that of Rockingham County and Dutchess 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.
Hillsborough County, New Hampshire. Akashic. https://akashic.app/county/33011/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in New Hampshire
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Frequently asked questions
How did Hillsborough County, New Hampshire vote in 2024?
In 2024, Hillsborough County, New Hampshire voted Democratic by 2.9 points (D+3), carried by the Democratic candidate. Out of 234,443 votes cast, 118,777 went Democratic and 112,059 went Republican.
What is Hillsborough County, New Hampshire's political typology?
Akashic places Hillsborough County, New Hampshire 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 17 times, Republican 17 times, and other 0 times.
When did Hillsborough County, New Hampshire last vote Republican?
The most recent presidential election in which Hillsborough County, New Hampshire voted Republican was 2016.
How many people live in Hillsborough County, New Hampshire?
Hillsborough County, New Hampshire has a population of 426,378 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hillsborough County, New Hampshire?
Median household income in Hillsborough County, New Hampshire is $103,545 — above the national median of $80,734. The New Hampshire state median is $99,031.
What is the political history of Hillsborough County, New Hampshire?
Akashic tracks 38 presidential elections in Hillsborough County, New Hampshire from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.