COUNTY · 2000 CENSUS

Sullivan County

New Hampshire · 40,458 residents · 537.876 sq mi

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The short version

Sullivan County has roughly average household income, with a median household income of $40,938. Population has held roughly steady since 1990. Median home value is $89,600.

At a glance

Average income

near the US median

US median: $42,589

Older

median age 40.0

US median: 35.2

Less educated

20% hold a bachelor's degree

US average: 24%

More affordable

home values down 25%, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

40,458

+5%since 1990

from 38,592 in 1990

1990 – 2025

Population density

75 / sq mi

+5%since 1990

from 72 / sq mi in 1990

US average: 242

Median age

40.0

+13%since 1990

from 35.3 in 1990

US average: 35.2

Population, 1990 – 2024

202444K

Section 02

Income & economy

Median household income

$40,938

+7%inflation adjusted, since 1990

from $29,053 in 1990

US average: $42,589

1990 – 2024

Per capita income

$21,319

+65%since 1990

from $12,935 in 1990

US average: $21,522

Poverty rate

8.5%

−1.3 ptssince 1990

from 9.8% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$89,600

−25%inflation adjusted, since 1990

from $91,200 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$537

−7%inflation adjusted, since 1990

from $440 in 1990

US average: $602

Owner-occupied

72.0%

+1.3 ptssince 1990

from 70.7% in 1990

28.0% rent

Afford Score

2.2

−30%since 1990

from 3.1 in 1990

1990 – 2024

RELATED:See current rent listings in Sullivan County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic99.2%(38,274)

Black0.1%(56)

Hispanic / Latino0.5%(200)

Asian0.4%(141)

Diversity Score3.3%(1,277)

2000

White, non-Hispanic97.6%(39,482)

Black0.2%(93)

Hispanic / Latino0.5%(221)

Asian0.4%(150)

Diversity Score2.9%(1,166)

Diversity Score

−13%since 1990

from 3 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

19.7%

+3.2 ptssince 1990

from 16.5% in 1990

US average: 24.4%

High school or higher

83.0%

+8.1 ptssince 1990

from 75.0% in 1990

US average: 80.3%

Graduate degree

7.3%

+1.8 ptssince 1990

from 5.6% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

15.3 min

−27%since 1990

from 21.0 min in 1990

US average: 17.6

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Sullivan County

Head to head

Compare Sullivan County to nearby counties

SULLIVAN COUNTY VS

Windsor County

Income$77,594+90%

Home value$296,400+231%

Population57,312+30%

SEE FULL COMPARISON →

SULLIVAN COUNTY VS

Merrimack County

Income$97,004+137%

Home value$367,600+310%

Population158,078+260%

SEE FULL COMPARISON →

SULLIVAN COUNTY VS

Cheshire County

Income$83,329+104%

Home value$280,100+213%

Population78,269+78%

SEE FULL COMPARISON →

SULLIVAN COUNTY VS

Windham County

Income$72,217+76%

Home value$279,600+212%

Population45,204+3%

SEE FULL COMPARISON →

Frequently asked

How many people live in Sullivan County, New Hampshire?

Sullivan County, New Hampshire has about 40,458 residents according to the 2000 Census.

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

The typical household in Sullivan County, New Hampshire earns about $40,938 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 $89,600, and the typical rent is about $537 a month.

How educated are people in Sullivan County, New Hampshire?

About 19.7% 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 8.5% 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 1,866 residents, a change of about 5 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 →