5th most populous of 10
With 93,045 residents in 2024, Grafton County ranks 5th by population among New Hampshire's 10 counties and is home to 6.6% of the state's residents.

Grafton County has the highest share of college graduates in New Hampshire (46.7% of adults) and the 2nd largest immigrant share (5.6% foreign-born).
Grafton County is home to 93,045 people (2024 estimate) on 1,709 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 93,045 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 89,118 | 2010 · U.S. Census Bureau |
| Population, 2000 | 81,868 | July 1, 2000 · Census intercensal |
| Change since 2000 | +13.7% | 2000–2024 · Census |
| International migration | +357 | 2024 · Census Vintage 2024 |
| Domestic migration | +209 | 2024 · Census Vintage 2024 |
| Birth rate | 6.6 per 1,000 | 2024 · calculated |
| Death rate | 11.2 per 1,000 | 2024 · calculated |
| Population rank in New Hampshire | 5th of 10 | 2024 · calculated |
| Per capita personal income | $85,873 | BEA, 2024 · official |
| Gross domestic product | $9.9 billion | BEA, current dollars, 2024 · official |
| Median household income | $88,261 | ACS 2020–2024 5-year · official |
| Poverty rate | 10.4% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 46.7% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 5.6% | ACS 2020–2024 5-year · official |
| Median home value | $344,500 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,301/month | ACS 2020–2024 5-year · official |
| Median age | 44.1 years | ACS 2020–2024 5-year · official |
| Households | 37,107 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 71.3% | ACS 2020–2024 5-year · official |
Comparable indicators for Grafton County, New Hampshire and the United States.
| Indicator | County | New Hampshire | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +2.1% | +2.3% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 6.6 | 8.4 | 10.6 | 2024 |
| Death rate (per 1,000) | 11.2 | 10.0 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 6.1 | 6.5 | 8.2 | 2024 |
| Population density (/mi²) | 54.5 | 157.4 | 96.3 | 2024 |
| Per capita personal income | $85,873 | $83,192 | $73,204 | BEA, 2024 |
| Median household income | $88,261 | $99,031 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 10.4% | 7.2% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 46.7% | 40.6% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 5.6% | 6.1% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $344,500 | $402,500 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,301/month | $1,491/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 44.1 years | 43.3 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 71.3% | 72.8% | 65.2% | ACS 2020–2024 5-year |
With 93,045 residents in 2024, Grafton County ranks 5th by population among New Hampshire's 10 counties and is home to 6.6% of the state's residents.
Its population went from 81,868 in 2000 to 93,045 in 2024, a change of +13.7%, compared with +13.6% for New Hampshire as a whole.
In the year to July 2024 the county recorded 618 births and 1,044 deaths, so deaths outnumbered births by 426.
Annual Census estimates since 2000 put the county's highest population in 2024, at 93,045.
Grafton County has about 54.5 residents per square mile of land, ranking 9th of 10 counties; New Hampshire averages 157.4.
With a median household income of $88,261 (ACS 2020–2024 5-year), the county ranks 6th of 10 New Hampshire counties; the state median is $99,031.
Its economy produced $9.9 billion of GDP in 2024 (BEA), 4th largest among 10 New Hampshire counties.
Real GDP grew 1.1% in 2024, adjusted for inflation (BEA, chained 2017 dollars).