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COUNTY

Hillsborough County

New Hampshire · 433,415 residents (2025 est.) · 877 sq mi
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Part of the Manchester metro area
The short version

Hillsborough County is a county of 426,378 people in New Hampshire. That puts it in the top 1% of US counties for household income. About 42% of adults have finished a four-year degree. The poverty rate is 6.7%, under the national 12.5%. The median household earns $103,545, about 26% above the national median. The population has held roughly steady since 2000.

At a glance
Wealthier
median household income $103,545, above the US median
US median: $82,259
Older
median age 41.0
US median: 38.9
More educated
42% hold a bachelor's degree
US average: 36%
Less affordable
home values up 71%, inflation adjusted
US median home: $376,019
Unique to this place

What stands out about Hillsborough County

What changed most since 1990

  • Median home value (2024 dollars)$329,049 → $421,100 (+28%)US over the same years: +67%

Among the 10 counties in New Hampshire

  • 2nd in household income$103,545
  • 3rd in share with a bachelor's degree41.5%
  • 2nd in home value$421,100
  • 1st in diversity score43.4
Section 01

Population & growth

Total population
426,378
+12%since 2000
from 380,841 in 2000
433,415 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
486 / sq mi
+12%since 2000
from 434 / sq mi in 2000
US average: 281
Median age
41.0
+14%since 2000
from 35.9 in 2000
US average: 38.9
Land area
877 sq mi
Population, 1990 – 2024
327K354K381K408K435K19902000201020202024Hillsborough County
2024426K
1990201020202024
Age distribution, 2024
Under 55%(21,392)
US avg: 5.6%
5 to 95.1%(21,888)
US avg: 6%
10 to 145.8%(24,748)
US avg: 6.4%
15 to 195.9%(25,056)
US avg: 6.6%
20 to 246%(25,490)
US avg: 6.5%
25 to 3414.1%(60,293)
US avg: 13.7%
35 to 4413.1%(55,893)
US avg: 13.2%
45 to 5412.8%(54,734)
US avg: 12.2%
55 to 6414.8%(63,066)
US avg: 12.7%
65 to 7410.4%(44,318)
US avg: 10.2%
75 to 845%(21,436)
US avg: 5.1%
85 and over1.9%(8,064)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$103,545
+6%inflation adjusted, since 2000
from $53,384 in 2000
US average: $82,259
1990 – 2024
Per capita income
$54,111
+115%since 2000
from $25,198 in 2000
US average: $44,673
Households earning $100K+
64.2%
+19.0 ptssince 2009
from 45.3% in 2009
US average: 53.3%
Poverty rate
6.7%
+0.5 ptssince 2000
from 6.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.430
+4%since 2010
from 0.412 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade14.8%
US avg: 9.9%
Information12.3%
US avg: 10.8%
Wholesale trade7.3%
US avg: 6.9%
Other services6.6%
US avg: 6.7%
Public administration5.3%
US avg: 4.8%
Finance & insurance4.2%
US avg: 5.9%
Professional, scientific, technical3.6%
US avg: 5.1%
Arts, entertainment, food2.2%
US avg: 1.9%
Transportation & warehousing2.1%
US avg: 2.2%
Education & health services0.6%
US avg: 0.9%
Agriculture, forestry, fishing0.4%
US avg: 1.6%
Construction0.4%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$421,100
+71%inflation adjusted, since 2000
from $135,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,623
+28%inflation adjusted, since 2000
from $694 in 2000
US average: $1,442
Owner-occupied
67.4%
+2.5 ptssince 2000
from 64.9% in 2000
32.6% rent
Vacancy rate
5.1%
−1.9 ptssince 2009
from 7.0% in 2009
US average: 10.0%
Persons per household
2.48 people
−5%since 2009
from 2.62 people in 2009
US average: 2.54
Owner cost-burdened
24.0%
−11.2 ptssince 2009
from 35.2% in 2009
US average: 22.9%
Renter cost-burdened
46.5%
+1.4 ptssince 2009
from 45.1% in 2009
US average: 47.4%
Afford Score
4.1
+3%since 2009
from 4.0 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
45
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic92.3%(351,337)
Black1.2%(4,493)
Hispanic / Latino3.2%(12,166)
Asian2%(7,554)
Other0%
2024
White, non-Hispanic80.1%(341,341)
Black2.2%(9,550)
Hispanic / Latino8.5%(36,414)
Asian4.3%(18,338)
Other4.9%(20,735)
Diversity Score
43
+64%since 2009
from 26 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
33
−9%since 2020
from 37 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican2.7%(11,375)
Dominican2%(8,369)
Mexican1.2%(5,230)
South American0.9%(3,829)
Colombian0.5%(2,342)
Honduran0.3%(1,458)
Salvadoran0.3%(1,190)
Guatemalan0.2%(1,029)
Peruvian0.2%(700)
Cuban0.1%(598)
Spaniard0.1%(478)
+ 9 more hispanic origin groups with data
Nicaraguan0.1%(334)
Argentine0.1%(224)
Ecuadorian0%(155)
Chilean0%(152)
Venezuelan0%(114)
Uruguayan0%(111)
Bolivian0%(14)
Asian origin
Asian Indian1.6%(7,005)
Chinese0.5%(2,117)
Vietnamese0.4%(1,649)
Filipino0.4%(1,554)
Korean0.3%(1,245)
Cambodian0.3%(1,225)
Nepalese0.3%(1,077)
Pakistani0.1%(376)
Bhutanese0.1%(284)
Japanese0.1%(268)
Taiwanese0.1%(231)
Thai0%(211)
+ 8 more asian origin groups with data
Laotian0%(209)
Kazakh0%(151)
Burmese0%(63)
Malaysian0%(15)
Hmong0%(8)
Pacific Islander origin
Chamorro0%(56)
Guamanian0%(10)
Samoan0%(8)
Ancestry
Irish19.9%(84,681)
English14.5%(62,018)
French10.3%(44,111)
Italian10%(42,822)
French Canadian8.2%(35,132)
German8.1%(34,378)
Polish3.7%(15,779)
American3.3%(14,042)
Scottish3%(12,970)
Greek1.8%(7,629)
Portuguese1.7%(7,443)
+ 49 more ancestry groups with data
Swedish1.2%(5,188)
Canadian1%(4,203)
Scotch-Irish0.9%(3,762)
Arab0.7%(2,889)
Finnish0.7%(2,866)
Russian0.6%(2,759)
Dutch0.6%(2,748)
Lithuanian0.6%(2,526)
Norwegian0.6%(2,477)
West Indian0.6%(2,456)
Welsh0.5%(2,044)
Brazilian0.5%(1,921)
Hungarian0.4%(1,694)
British0.4%(1,611)
Lebanese0.3%(1,434)
Ukrainian0.3%(1,399)
Haitian0.3%(1,267)
Armenian0.3%(1,143)
Czech0.2%(954)
Danish0.2%(856)
Jamaican0.2%(767)
Austrian0.1%(599)
Belgian0.1%(594)
Cape Verdean0.1%(592)
Swiss0.1%(577)
Kenyan0.1%(506)
Iranian0.1%(465)
Slovak0.1%(426)
Romanian0.1%(418)
Iraqi0.1%(331)
Egyptian0.1%(267)
Nigerian0.1%(260)
Somali0.1%(240)
Moroccan0.1%(236)
Syrian0.1%(219)
Turkish0%(178)
Latvian0%(154)
Jordanian0%(136)
Serbian0%(128)
Bulgarian0%(125)
Ghanaian0%(125)
Slovene0%(120)
Israeli0%(76)
Barbadian0%(58)
Ethiopian0%(52)
Croatian0%(42)
Guyanese0%(28)
Section 05

Education

Bachelor's degree or higher
41.5%
+11.4 ptssince 2000
from 30.1% in 2000
US average: 35.6%
High school or higher
93.4%
+6.4 ptssince 2000
from 87.0% in 2000
US average: 89.6%
Graduate degree
16.1%
+6.1 ptssince 2000
from 10.1% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.3 min
+46%since 2000
from 18.6 min in 2000
US average: 26.5
Drive alone to work
70.7%
−12.5 ptssince 2009
from 83.2% in 2009
US average: 68.9%
Carpooled to work
7.3%
−1.1 ptssince 2009
from 8.4% in 2009
US average: 8.5%
Public transit
0.6%
−0.2 ptssince 2009
from 0.8% in 2009
US average: 3.2%
Worked from home
18.1%
+13.6 ptssince 2009
from 4.5% in 2009
US average: 15.0%
Walked to work
1.8%
−0.4 ptssince 2009
from 2.2% in 2009
US average: 2.4%
Biked to work
0.2%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
5.2%
+0.1 ptssince 2009
from 5.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.1%
−3.6 ptssince 2011
from 6.6% in 2011
US average: 5.2%
Labor force participation
70.4%
−2.0 ptssince 2011
from 72.4% in 2011
US average: 63.5%
Women 20-64 in the labor force
80.7%
+1.1 ptssince 2020
from 79.6% in 2020
US average: 74.6%
Self-employed
11.2%
+1.1 ptssince 2009
from 10.1% in 2009
US average: 13.1%
Management & professional
46.8%
+7.1 ptssince 2009
from 39.8% in 2009
US average: 42.5%
Section 08

People & community

Male
50.2%
+0.7 ptssince 2009
from 49.5% in 2009
Female
49.8%
−0.7 ptssince 2009
from 50.5% in 2009
Foreign born
10.3%
+2.2 ptssince 2009
from 8.2% in 2009
US average: 14.1%
Veterans
6.9%
−4.4 ptssince 2009
from 11.3% in 2009
US average: 6.2%
With a disability
11.8%
+1.4 ptssince 2012
from 10.4% in 2012
US average: 13.3%
Uninsured
5.5%
−4.5 ptssince 2013
from 10.0% in 2013
US average: 8.4%
Broadband at home
93.4%
+6.4 ptssince 2017
from 87.0% in 2017
US average: 91.0%
Computer in household
96.4%
+2.1 ptssince 2020
from 94.3% in 2020
US average: 95.5%
Same house as last year
88.9%
+3.4 ptssince 2020
from 85.5% in 2020
US average: 87.7%
English only at home
86.1%
−1.0 ptssince 2016
from 87.2% in 2016
US average: 77.7%
Spanish at home
5.3%
+1.1 ptssince 2016
from 4.2% in 2016
US average: 13.6%
Marital status
Men 15+
Never married35.6%(63,713)
Married51.1%(91,594)
Widowed2.7%(4,834)
Divorced10.6%(18,939)
Women 15+
Never married29.2%(52,355)
Married48.8%(87,452)
Widowed8.2%(14,639)
Divorced13.8%(24,824)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
5.5%
−4.5 ptssince 2013
from 10.0% in 2013
US average: 8.4%
Employer-based
66.2%
+0.6 ptssince 2020
from 65.6% in 2020
US average: 54.8%
Direct-purchase
13.2%
+0.8 ptssince 2020
from 12.4% in 2020
US average: 13.8%
Medicare
17.9%
+0.9 ptssince 2020
from 17.0% in 2020
US average: 18.4%
Medicaid
12.4%
−0.8 ptssince 2020
from 13.2% in 2020
US average: 20.9%
VA health care
2.3%
−0.2 ptssince 2020
from 2.5% in 2020
US average: 2.2%
Any private
77.6%
+0.6 ptssince 2020
from 77.0% in 2020
US average: 67.1%
Any public
29.3%
+0.2 ptssince 2020
from 29.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)25.3%(5,989)
US avg: 26.4%
Gulf War (1990s)20.6%(4,862)
US avg: 24.3%
Vietnam era31.6%(7,466)
US avg: 33.1%
Korean War4.9%(1,168)
US avg: 4.5%
World War II1.3%(319)
US avg: 1%

Share of the 23,637 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Hillsborough County, decade by decade

Hillsborough County population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
1990336,073$96,972$329,04926.4%9.5
2000380,841$97,247$246,83430.1%18.4
2010400,721$99,723$388,27034.5%28.4
2020422,937$99,507$348,94638.6%41.8
2024426,378$103,545$421,10041.5%43.4

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

Places similar to Hillsborough County

St. Charles County
Pop 426,499
Dakota County
Pop 457,710
Solano County
Pop 455,376
Monterey County
Pop 433,729
Places similar to Hillsborough County
Head to head

Compare Hillsborough County to nearby counties

HILLSBOROUGH COUNTY VS
Cheshire County
Income$83,329−20%
Home value$280,100−33%
Population78,269−82%
SEE FULL COMPARISON →
HILLSBOROUGH COUNTY VS
Merrimack County
Income$97,004−6%
Home value$367,600−13%
Population158,078−64%
SEE FULL COMPARISON →
HILLSBOROUGH COUNTY VS
Rockingham County
Income$118,331+14%
Home value$497,500+18%
Population324,077−25%
SEE FULL COMPARISON →
HILLSBOROUGH COUNTY VS
Middlesex County
Income$130,847+26%
Home value$727,800+73%
Population1,669,979+285%
SEE FULL COMPARISON →
Frequently asked

How many people live in Hillsborough County, New Hampshire?

Hillsborough County, New Hampshire has about 426,378 residents according to the 2024 American Community Survey.

What is the median household income in Hillsborough County, New Hampshire?

The typical household in Hillsborough County, New Hampshire earns about $103,545 a year. Half of households make more than that, and half make less.

Is Hillsborough County, New Hampshire expensive?

In Hillsborough County, New Hampshire, the median home is worth about $421,100, and the typical rent is about $1,623 a month.

How educated are people in Hillsborough County, New Hampshire?

About 41.5% of adults age 25 and over in Hillsborough County, New Hampshire hold a bachelor's degree or higher.

What is the poverty rate in Hillsborough County, New Hampshire?

About 6.7% of people in Hillsborough County, New Hampshire live below the federal poverty line.

Has Hillsborough County, New Hampshire grown since 1990?

Yes, Hillsborough County, New Hampshire has grown since 1990. The population has added about 90,305 residents, a change of about 27 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →