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Sullivan County, New Hampshire: property tax rate, home values and income

Effective property tax rate

2.38%

1st highest of 10 counties in New Hampshire

Median home value

$236,300

9th highest in New Hampshire

Median household income

$75,929

9th highest in New Hampshire

Population

43,529

Census ACS 2023

Sources: US Census Bureau, American Community Survey 5-year estimates · Updated 11/03/2026

In Sullivan County, New Hampshire the effective property tax rate is 2.38%. The median homeowner pays $5,616 a year in real estate taxes on a home with a median value of $236,300. That rate is the 1st highest of the 10 New Hampshire counties with published data, and the 37th highest of 3,132 counties in the United States.

Property tax in Sullivan County

The effective rate is the median real estate tax paid divided by the median home value. The New Hampshire statewide average is 1.77%, so Sullivan County is above it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.

Home valueEstimated tax per yearPer month
$200,000$4,760$397
$236,300 (county median)$5,620$468
$300,000$7,140$595
$400,000$9,520$793
$500,000$11,900$992

Home values and incomes

The median home value is $236,300 (9th highest in New Hampshire, 870th highest nationally) and the median household income is $75,929. Homes cost about 3.1 times a typical household's yearly income. Median gross rent is $1,159 a month. 74.8% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,089 a year for insurance. For comparison, the New Hampshire statewide median home value is $510,937.

Counties near Sullivan County in the New Hampshire property tax ranking

CountyEffective rateMedian home value
Sullivan County2.38%$236,300
Cheshire County2.32%$257,200
Coos County2.07%$169,600
Merrimack County2.00%$330,600
Strafford County1.98%$332,400
Grafton County1.88%$298,500
Hillsborough County1.76%$385,500

Frequently asked questions

What is the property tax rate in Sullivan County, New Hampshire?

The effective property tax rate is 2.38% of home value per year, the 1st highest of 10 counties in New Hampshire (Census ACS 2023 5-year estimates).

How much is property tax on a $300,000 home in Sullivan County?

At the county's effective rate of 2.38%, about $7,140 a year (roughly $595 a month). Your actual bill depends on the assessed value, your school district and exemptions.

What is the median home value in Sullivan County?

The median home value is $236,300 (Census ACS 2023 5-year estimates, owner-occupied homes).

What is the median household income in Sullivan County?

The median household income is $75,929 (Census ACS 2023 5-year estimates).