Grafton County vs Rockingham County

A side-by-side comparison of Grafton County and Rockingham County: population, income, housing, and more.

Grafton County and Rockingham County are counties in New Hampshire. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rockingham County has the higher population (317,163 vs 91,759 in Grafton County). Rockingham County has the higher median household income ($113,927 vs $84,021 in Grafton County). Rockingham County has the higher median home value ($461,400 vs $298,500 in Grafton County).

Population, income & housing

	Grafton County	Rockingham County
Population	91,759	317,163
Median age	44.0 yrs	44.8 yrs
Median household income	$84,021	$113,927
Median home value	$298,500	$461,400
Median gross rent	$1,292	$1,619
Housing units	51,478	136,681
Homeownership rate	71.0%	78.6%
Bachelor's degree or higher	44.8%	44.8%
Unemployment rate	2.9%	3.5%

Trends (ACS 5-year, 2019–2023)

	Grafton County	Rockingham County
Population	89,777 → 91,759 (+2.2%)	306,359 → 317,163 (+3.5%)
Median household income	$63,389 → $84,021 (+32.5%)	$93,756 → $113,927 (+21.5%)
Median home value	$220,300 → $298,500 (+35.5%)	$326,300 → $461,400 (+41.4%)
Median gross rent	$953 → $1,292 (+35.6%)	$1,228 → $1,619 (+31.8%)

Grafton County

Population

89,77791,759

Median household income

$63,389$84,021

Median home value

$220,300$298,500

Median gross rent

$953$1,292

Rockingham County

Population

306,359317,163

Median household income

$93,756$113,927

Median home value

$326,300$461,400

Median gross rent

$1,228$1,619

Age & race/ethnicity

Age distribution (share)

	Grafton County	Rockingham County
Under 5	3.8%	4.5%
5 to 17	12.0%	14.2%
18 to 24	12.3%	7.1%
25 to 34	12.1%	11.9%
35 to 44	10.9%	12.4%
45 to 54	11.1%	13.6%
55 to 64	15.3%	16.7%
65 to 74	13.4%	12.1%
75 and over	9.1%	7.5%

Race & ethnicity (share)

	Grafton County	Rockingham County
White (non-Hispanic)	88.1%	90.0%
Black or African American	1.2%	0.8%
American Indian & Alaska Native	0.1%	0.1%
Asian	3.5%	2.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.5%
Two or more races	3.8%	3.1%
Hispanic or Latino	2.8%	3.5%

Educational attainment (age 25+)

Share of adults 25+

	Grafton County	Rockingham County
No high school diploma	6.1%	3.9%
High school graduate	25.8%	25.0%
Some college or associate's	23.2%	26.3%
Bachelor's degree	21.7%	27.8%
Graduate or professional degree	23.2%	17.0%

Commute to work

How workers get to work (share)

	Grafton County	Rockingham County
Drove alone	68.2%	73.9%
Carpooled	9.4%	5.5%
Public transit	0.6%	0.6%
Walked	4.9%	1.5%
Bicycle	0.5%	0.2%
Worked from home	15.0%	17.2%
Other means	1.4%	1.0%

Housing

Units in structure (share)

	Grafton County	Rockingham County
1-unit, detached	61.0%	65.2%
1-unit, attached	7.7%	8.0%
2 to 4 units	8.8%	7.5%
5 to 19 units	9.7%	7.4%
20 or more units	5.9%	7.2%
Mobile home & other	6.9%	4.8%

Poverty & households

	Grafton County	Rockingham County
Poverty rate	10.1%	4.8%
Average household size	2.35	2.49
Mean commute (minutes)	23	29
Median year structure built	1980	1982