Hillsborough County vs Rockingham County

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

Hillsborough 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.

Hillsborough County has the higher population (424,732 vs 317,163 in Rockingham County). Rockingham County has the higher median household income ($113,927 vs $100,436 in Hillsborough County). Rockingham County has the higher median home value ($461,400 vs $385,500 in Hillsborough County).

Population, income & housing

	Hillsborough County	Rockingham County
Population	424,732	317,163
Median age	41.0 yrs	44.8 yrs
Median household income	$100,436	$113,927
Median home value	$385,500	$461,400
Median gross rent	$1,532	$1,619
Housing units	176,753	136,681
Homeownership rate	67.5%	78.6%
Bachelor's degree or higher	40.6%	44.8%
Unemployment rate	3.3%	3.5%

Trends (ACS 5-year, 2019–2023)

	Hillsborough County	Rockingham County
Population	413,035 → 424,732 (+2.8%)	306,359 → 317,163 (+3.5%)
Median household income	$81,460 → $100,436 (+23.3%)	$93,756 → $113,927 (+21.5%)
Median home value	$274,800 → $385,500 (+40.3%)	$326,300 → $461,400 (+41.4%)
Median gross rent	$1,191 → $1,532 (+28.6%)	$1,228 → $1,619 (+31.8%)

Hillsborough County

Population

413,035424,732

Median household income

$81,460$100,436

Median home value

$274,800$385,500

Median gross rent

$1,191$1,532

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)

	Hillsborough County	Rockingham County
Under 5	5.1%	4.5%
5 to 17	14.8%	14.2%
18 to 24	8.3%	7.1%
25 to 34	14.1%	11.9%
35 to 44	12.9%	12.4%
45 to 54	13.2%	13.6%
55 to 64	14.9%	16.7%
65 to 74	10.1%	12.1%
75 and over	6.6%	7.5%

Race & ethnicity (share)

	Hillsborough County	Rockingham County
White (non-Hispanic)	80.9%	90.0%
Black or African American	2.3%	0.8%
American Indian & Alaska Native	0.1%	0.1%
Asian	4.2%	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	8.3%	3.5%

Educational attainment (age 25+)

Share of adults 25+

	Hillsborough County	Rockingham County
No high school diploma	7.0%	3.9%
High school graduate	25.6%	25.0%
Some college or associate's	26.8%	26.3%
Bachelor's degree	25.4%	27.8%
Graduate or professional degree	15.2%	17.0%

Commute to work

How workers get to work (share)

	Hillsborough County	Rockingham County
Drove alone	72.9%	73.9%
Carpooled	7.4%	5.5%
Public transit	0.6%	0.6%
Walked	1.7%	1.5%
Bicycle	0.2%	0.2%
Worked from home	16.1%	17.2%
Other means	1.1%	1.0%

Housing

Units in structure (share)

	Hillsborough County	Rockingham County
1-unit, detached	56.7%	65.2%
1-unit, attached	5.9%	8.0%
2 to 4 units	14.4%	7.5%
5 to 19 units	9.1%	7.4%
20 or more units	11.8%	7.2%
Mobile home & other	2.0%	4.8%

Poverty & households

	Hillsborough County	Rockingham County
Poverty rate	6.5%	4.8%
Average household size	2.48	2.49
Mean commute (minutes)	27	29
Median year structure built	1977	1982