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COUNTY

Sullivan County

New Hampshire · 43,961 residents (2025 est.) · 538 sq mi
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The short version

Sullivan County is home to 43,715 people in New Hampshire. The median age is 47.0, about 8 years above the US median. That puts it in the top 5% of US counties for household income. The foreign-born share is 2%. 75% of homes are owner-occupied. That trails the New Hampshire median by roughly 18%.

At a glance
Average income
near the US median
US median: $82,259
Older
median age 47.0
US median: 38.9
Average education
30% hold a bachelor's degree
US average: 36%
Less affordable
home values up 65%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
43,715
+8%since 2000
from 40,458 in 2000
43,961 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
81 / sq mi
+3%since 2009
from 79 / sq mi in 2009
US average: 281
Median age
47.0
+18%since 2000
from 40.0 in 2000
US average: 38.9
Land area
538 sq mi
Population, 1990 – 2024
38K40K41K43K44K19902000201020202024Sullivan County
202444K
1990201020202024
Age distribution, 2024
Under 54.4%(1,923)
US avg: 5.6%
5 to 95.3%(2,317)
US avg: 6%
10 to 144.6%(1,998)
US avg: 6.4%
15 to 195.6%(2,434)
US avg: 6.6%
20 to 244.5%(1,948)
US avg: 6.5%
25 to 3411.8%(5,143)
US avg: 13.7%
35 to 4411.5%(5,035)
US avg: 13.2%
45 to 5412.6%(5,519)
US avg: 12.2%
55 to 6416.3%(7,110)
US avg: 12.7%
65 to 7414.3%(6,252)
US avg: 10.2%
75 to 846.6%(2,867)
US avg: 5.1%
85 and over2.7%(1,169)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$80,858
+8%inflation adjusted, since 2000
from $40,938 in 2000
US average: $82,259
1990 – 2024
Per capita income
$44,514
+109%since 2000
from $21,319 in 2000
US average: $44,673
Households earning $100K+
52.8%
+24.6 ptssince 2009
from 28.1% in 2009
US average: 53.3%
Poverty rate
10.1%
+1.7 ptssince 2000
from 8.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.461
+13%since 2010
from 0.407 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade14.7%
US avg: 9.9%
Information13%
US avg: 10.8%
Wholesale trade6%
US avg: 6.9%
Finance & insurance4.3%
US avg: 5.9%
Professional, scientific, technical3.5%
US avg: 5.1%
Other services3.4%
US avg: 6.7%
Arts, entertainment, food2.9%
US avg: 1.9%
Transportation & warehousing2.7%
US avg: 2.2%
Public administration2.4%
US avg: 4.8%
Agriculture, forestry, fishing1.2%
US avg: 1.6%
Construction1.1%
US avg: 1.2%
Education & health services0.8%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$268,700
+65%inflation adjusted, since 2000
from $89,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,211
+24%inflation adjusted, since 2000
from $537 in 2000
US average: $1,442
Owner-occupied
75.4%
+3.4 ptssince 2000
from 72.0% in 2000
24.6% rent
Vacancy rate
24.3%
+7.2 ptssince 2009
from 17.1% in 2009
US average: 10.0%
Persons per household
2.59 people
+10%since 2009
from 2.36 people in 2009
US average: 2.54
Owner cost-burdened
24.1%
−7.8 ptssince 2009
from 31.9% in 2009
US average: 22.9%
Renter cost-burdened
51.1%
+8.5 ptssince 2009
from 42.6% in 2009
US average: 47.4%
Afford Score
3.3
−8%since 2009
from 3.6 in 2009
2009 – 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
40
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic97.6%(39,482)
Black0.2%(93)
Hispanic / Latino0.5%(221)
Asian0.4%(150)
Other0%
2024
White, non-Hispanic91.4%(39,974)
Black0.7%(309)
Hispanic / Latino2.1%(911)
Asian0.3%(125)
Other5.5%(2,396)
Diversity Score
20
+143%since 2009
from 8 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
17
−11%since 2020
from 19 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
Mexican0.5%(233)
Cuban0.3%(117)
Peruvian0.1%(57)
Dominican0.1%(23)
Asian origin
Chinese0.1%(36)
Filipino0.1%(28)
Korean0%(21)
Japanese0%(18)
Pacific Islander origin
Ancestry
English22.7%(9,925)
Irish13.1%(5,744)
French12.7%(5,566)
German7.2%(3,159)
French Canadian7.2%(3,135)
American6.2%(2,712)
Italian5.8%(2,528)
Scottish5.5%(2,404)
Polish2.7%(1,159)
Swedish2.1%(907)
Scotch-Irish1.6%(687)
Dutch1.1%(463)
+ 34 more ancestry groups with data
Russian0.8%(361)
Norwegian0.8%(345)
Finnish0.8%(338)
British0.7%(314)
Greek0.7%(309)
Portuguese0.5%(238)
Canadian0.5%(204)
Danish0.4%(192)
West Indian0.4%(185)
Welsh0.4%(180)
Jamaican0.4%(166)
Arab0.3%(110)
Ukrainian0.2%(105)
Lithuanian0.2%(102)
Czech0.2%(79)
Austrian0.2%(68)
Hungarian0.1%(53)
Swiss0.1%(50)
Lebanese0.1%(36)
Armenian0.1%(34)
Haitian0%(19)
Latvian0%(15)
Slovak0%(14)
Egyptian0%(13)
Romanian0%(13)
Turkish0%(11)
Belgian0%(7)
Section 05

Education

Bachelor's degree or higher
30.3%
+10.6 ptssince 2000
from 19.7% in 2000
US average: 35.6%
High school or higher
92.1%
+9.1 ptssince 2000
from 83.0% in 2000
US average: 89.6%
Graduate degree
11.5%
+4.2 ptssince 2000
from 7.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.1 min
+70%since 2000
from 15.3 min in 2000
US average: 26.5
Drive alone to work
77.2%
−2.0 ptssince 2009
from 79.1% in 2009
US average: 68.9%
Carpooled to work
8.4%
−2.0 ptssince 2009
from 10.3% in 2009
US average: 8.5%
Public transit
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 3.2%
Worked from home
10.2%
+4.8 ptssince 2009
from 5.4% in 2009
US average: 15.0%
Walked to work
2.3%
−1.3 ptssince 2009
from 3.6% in 2009
US average: 2.4%
Biked to work
0.0%
−0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
5.3%
−2.0 ptssince 2009
from 7.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.1%
−2.5 ptssince 2011
from 5.6% in 2011
US average: 5.2%
Labor force participation
59.9%
−7.2 ptssince 2011
from 67.1% in 2011
US average: 63.5%
Women 20-64 in the labor force
75.1%
+1.7 ptssince 2020
from 73.4% in 2020
US average: 74.6%
Self-employed
13.6%
−1.5 ptssince 2009
from 15.2% in 2009
US average: 13.1%
Management & professional
37.7%
+5.6 ptssince 2009
from 32.1% in 2009
US average: 42.5%
Section 08

People & community

Male
50.4%
+1.1 ptssince 2009
from 49.3% in 2009
Female
49.6%
−1.1 ptssince 2009
from 50.7% in 2009
Foreign born
2.1%
−0.4 ptssince 2009
from 2.5% in 2009
US average: 14.1%
Veterans
10.1%
−3.6 ptssince 2009
from 13.7% in 2009
US average: 6.2%
With a disability
16.5%
+1.5 ptssince 2012
from 15.0% in 2012
US average: 13.3%
Uninsured
6.0%
−7.0 ptssince 2013
from 13.0% in 2013
US average: 8.4%
Broadband at home
87.1%
+9.0 ptssince 2017
from 78.1% in 2017
US average: 91.0%
Computer in household
93.0%
+1.7 ptssince 2020
from 91.3% in 2020
US average: 95.5%
Same house as last year
90.8%
+1.9 ptssince 2020
from 88.9% in 2020
US average: 87.7%
English only at home
98.2%
+1.6 ptssince 2016
from 96.6% in 2016
US average: 77.7%
Spanish at home
0.7%
Unchangedsince 2016
from 0.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married35%(6,624)
Married46.9%(8,879)
Widowed5.7%(1,081)
Divorced12.3%(2,336)
Women 15+
Never married26.4%(4,899)
Married47.5%(8,811)
Widowed10.2%(1,902)
Divorced15.9%(2,945)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
6.0%
−7.0 ptssince 2013
from 13.0% in 2013
US average: 8.4%
Employer-based
51.0%
−4.8 ptssince 2020
from 55.8% in 2020
US average: 54.8%
Direct-purchase
14.1%
+1.4 ptssince 2020
from 12.7% in 2020
US average: 13.8%
Medicare
25.4%
+1.6 ptssince 2020
from 23.8% in 2020
US average: 18.4%
Medicaid
21.1%
+3.8 ptssince 2020
from 17.3% in 2020
US average: 20.9%
VA health care
3.0%
−1.0 ptssince 2020
from 4.0% in 2020
US average: 2.2%
Any private
63.9%
−3.8 ptssince 2020
from 67.7% in 2020
US average: 67.1%
Any public
44.3%
+5.1 ptssince 2020
from 39.2% 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)18.2%(658)
US avg: 26.4%
Gulf War (1990s)18.7%(677)
US avg: 24.3%
Vietnam era33.5%(1,211)
US avg: 33.1%
Korean War5.6%(204)
US avg: 4.5%
World War II0.4%(13)
US avg: 1%

Share of the 3,617 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
Drill deeper

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Pop 46,605
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Head to head

Compare Sullivan County to nearby counties

SULLIVAN COUNTY VS
Windsor County
Income$77,594−4%
Home value$296,400+10%
Population57,312+30%
SEE FULL COMPARISON →
SULLIVAN COUNTY VS
Merrimack County
Income$97,004+20%
Home value$367,600+37%
Population158,078+260%
SEE FULL COMPARISON →
SULLIVAN COUNTY VS
Cheshire County
Income$83,329+3%
Home value$280,100+4%
Population78,269+78%
SEE FULL COMPARISON →
SULLIVAN COUNTY VS
Windham County
Income$72,217−11%
Home value$279,600+4%
Population45,204+3%
SEE FULL COMPARISON →
Frequently asked

How many people live in Sullivan County, New Hampshire?

Sullivan County, New Hampshire has about 43,715 residents according to the 2024 American Community Survey.

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

The typical household in Sullivan County, New Hampshire earns about $80,858 a year. Half of households make more than that, and half make less.

Is Sullivan County, New Hampshire expensive?

In Sullivan County, New Hampshire, the median home is worth about $268,700, and the typical rent is about $1,211 a month.

How educated are people in Sullivan County, New Hampshire?

About 30.3% of adults age 25 and over in Sullivan County, New Hampshire hold a bachelor's degree or higher.

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

About 10.1% of people in Sullivan County, New Hampshire live below the federal poverty line.

Has Sullivan County, New Hampshire grown since 1990?

Yes, Sullivan County, New Hampshire has grown since 1990. The population has added about 5,123 residents, a change of about 13 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 →