Carroll County, New Hampshire Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 8th-largest in New Hampshire
The population of Carroll County, New Hampshire is 51,259 as of the 2023 American Community Survey, making it the 8th-largest county in New Hampshire. The median household income is $82,961, the median home value is $348,900, and the median age is 54.2.
The population of Carroll County has grown 9.9% since 2010 (47,834 → 52,580), a +0.68% annualized rate.
51,259
Population
+0.68%
Annual growth
55
People / sq mi
$82,961
Median Income
$348,900
Median Home Value
Carroll County covers 932 sq mi of land at 55.0 people per square mile.
About Carroll County, NH
Carroll County is a county in New Hampshire with a population of 51,259. It ranks #8 among counties in New Hampshire by population. The median age is 54.2, older than the national median. The population is 50.5% male and 49.5% female.
The median household income in Carroll County is $82,961, above the US median of $74,580. 4.2% of residents live below the federal poverty level. Home values sit at a median of $348,900, with monthly rent averaging $1,179. The homeownership rate of 81.2% is higher than the national rate of 64.8%.
Educational attainment in Carroll County reflects 38.8% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 15.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.3 minutes each way.
Carroll County Population History (2010-2024)
The county of Carroll County had a population of 47,834 in 2010 and 52,580 in 2024, a 9.9% growth over 14 years. The peak was 52,580 in 2024. Average annual growth rate: 0.68%.
52,580
Population (2024)
47,834
Population (2010)
52,580
Peak (2024)
0.68%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 47,834 |
| 2011 | 47,691 |
| 2012 | 47,716 |
| 2013 | 47,548 |
| 2014 | 47,470 |
| 2015 | 47,442 |
| 2016 | 47,527 |
| 2017 | 48,176 |
| 2018 | 48,690 |
| 2019 | 48,745 |
| 2020 | 50,240 |
| 2021 | 51,735 |
| 2022 | 52,094 |
| 2023 | 52,373 |
| 2024 | 52,580 |
Race & Ethnicity
| White | 94.8% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Age & Sex
54.2
Median Age
49.5%
Female
50.5%
Male
30.1%
Age 65+
Age Distribution
Children (under 15): 12.3% · Seniors (65+): 30.1%
Income & Poverty
| Median household income | $82,961$-12,667 vs state |
| Mean household income | $109,531 |
| Per-capita income | $49,562 |
| Poverty rate | 4.2%-0.2% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 55.6% |
Top Industries by Employment
The largest employment sector in Carroll County is professional & business services, accounting for 25.6% of workers.
How residents commute
0.4%
Drive alone
2.1%
Carpool
74.7%
Public transit
15.0%
Work from home
26.3 min
Avg commute
Housing
$348,900$-18,300 vs state
Median home value
$1,179
Median rent
81.2%
Homeownership rate
40,110
Total housing units
55.1%
Occupied
44.9%
Vacant
18.8%
Renter-occupied
Social & access
93.3%
With health insurance
96.4%
With broadband internet
62.2%
Foreign-born
9.1%
Veterans (18+)
16.2%
With a disability
96.4%
Speak language other than English at home
Education
95.6%
High School+
38.8%
Bachelor's+
Largest cities in New Hampshire
Other counties in New Hampshire
Part of New Hampshire
Metro areas in New Hampshire
County rankings
Frequently Asked Questions
Carroll County, New Hampshire has a population of 51,259 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest county in New Hampshire. Population density is 55 people per square mile.
The population of Carroll County has grown 9.9% since 2010 (47,834 → 52,580), a +0.68% annualized rate.
The median household income in Carroll County, New Hampshire is $82,961, with mean (average) household income of $109,531 and per-capita income of $49,562. 4.2% of residents live below the federal poverty level.
In Carroll County, the largest racial and ethnic groups are White (94.8%), Hispanic or Latino (1.4%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Carroll County, New Hampshire is 54.2 years. Residents are 49.5% female and 50.5% male.
The median home value in Carroll County is $348,900 and median monthly rent is $1,179. 81.2% of occupied housing units are owner-occupied. The county has 40,110 total housing units, 44.9% of which are vacant.
The largest employment sector in Carroll County, New Hampshire is professional, scientific, and management services, employing 25.6% of workers. The unemployment rate is 3.1%.
Manchester is among the largest cities associated with Carroll County, New Hampshire, with a population of 115,415.
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Statewide data for New Hampshire
Population, race, income, age, and trends across New Hampshire
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.