Census tract · Belknap County
Census Tract 9665.01, Belknap County, New Hampshire
Census Tract 9665.01, GEOID 33001966501, in Belknap County, New Hampshire, entirely within Alton. 3,412 residents in the ACS 2020-2024 5-year estimates (±368); the 2020 Census counted 3,082.
Residents, 2020-2024
3,412
±368 (90% margin)
2020 Census count: 3,082
Median household income
$121,250
±$16,536 (90% margin)
Belknap County: $92,783
Median home value
$416,000
±$55,450 (90% margin)
Belknap County: $374,900
Median gross rent
not published
Belknap County: $1,167
Where is Census Tract 9665.01?
Census Tract 9665.01 is one of 18 census tracts in Belknap County, New Hampshire. It covers 39.55 square miles of land, 78 residents per square mile in 2020. Its GEOID, 33001966501, names it uniquely (how tract numbers and GEOIDs work).
10 census tracts border Census Tract 9665.01: Tract 9656 ($117,088), Tract 9657 ($111,660), Tract 9664.01 ($93,611), Tract 9664.03 ($116,940), Tract 9664.04 ($123,581), Tract 9665.02 ($96,786), Tract 9561.01 in Carroll County ($82,077), Tract 9563.01 in Carroll County ($97,338), Tract 9564 in Carroll County ($100,574) and Tract 885 in Strafford County ($100,551). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 9665.01?
The 2020-2024 American Community Survey puts Census Tract 9665.01's population at 3,412 (±368) in 1,137 households; the 2020 Census counted 3,082 residents and 2,192 housing units.
| Measure | Tract 9665.01 | Alton |
|---|---|---|
| Total population | 3,412 ±368 | 5,994 |
| Households | 1,137 ±148 | 2,253 |
| Average household size | 3.00 ±0.33 | 2.66 |
| Housing units | 2,246 ±212 | 4,614 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 9665.01?
The median resident of Census Tract 9665.01 is 50.5 years old; 13.8% are under 18 and 23.3% are 65 or older. The largest group is non-Hispanic white residents at 97.1%, then non-Hispanic Black residents at 1.0%.
| Measure | Tract 9665.01 | Alton |
|---|---|---|
| Median age | 50.5 ±9.6 | 53.7 |
| Under 18 years | 13.8% ±4.0 pts | 13.4% |
| 65 years and over | 23.3% ±6.6 pts | 25.1% |
| Hispanic or Latino (any race) | 0.7% ±1.1 pts | 0.7% |
| White alone, not Hispanic | 97.1% ±2.1 pts | 96.2% |
| Black or African American alone, not Hispanic | 1.0% ±1.5 pts | 0.6% |
| Asian alone, not Hispanic | 0.2% ±0.4 pts | 0.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.0 pts | 0.1% |
| Two or more races, not Hispanic | 0.6% ±0.7 pts | 2.0% |
| Some other race alone, not Hispanic | 0.3% ±0.5 pts | 0.2% |
| Born outside the United States | 0.8% ±0.9 pts | 1.3% |
| Speak a language other than English at home (age 5+) | 0.5% ±0.9 pts | 0.5% |
| Civilian veterans (age 18+) | 8.6% ±3.5 pts | 11.4% |
| With a disability | 11.2% ±4.8 pts | 12.3% |
| No health insurance coverage | 3.7% ±3.8 pts | 2.6% |
| High school graduate or higher (age 25+) | 96.3% ±2.8 pts | 95.6% |
| Bachelor's degree or higher (age 25+) | 38.9% ±10.2 pts | 35.8% |
| Graduate or professional degree (age 25+) | 11.6% ±5.5 pts | 11.4% |
| Lived in the same house a year earlier | 96.3% ±3.3 pts | 96.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 9665.01 earn?
Half of the 1,137 households in Census Tract 9665.01 earn less than $121,250 a year (±$16,536), against $92,783 across Belknap County: 2nd highest of the county's 17 tracts with a reliable estimate.
| Measure | Tract 9665.01 | Alton |
|---|---|---|
| Median household income | $121,250 ±$16,536 | $113,715 |
| Mean household income | $147,108 ±$25,278 | $145,143 |
| Per capita income | $51,620 ±$8,689 | $55,370 |
| People below the poverty line | 5.5% ±4.4 pts | 4.1% |
| Children under 18 below the poverty line | 0.0% ±7.3 pts | 0.0% |
| Households receiving SNAP | 3.2% ±3.5 pts | 2.3% |
| Households with a computer | 95.0% ±5.7 pts | 95.3% |
| Households with a broadband subscription | 96.0% ±4.5 pts | 94.8% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 9665.01?
Owners occupy 94.0% of Census Tract 9665.01's occupied homes and renters 6.0%. The median owner-occupied home is valued at $416,000 by its owner (±$55,450).
| Measure | Tract 9665.01 | Alton |
|---|---|---|
| Median home value (owner-occupied) | $416,000 ±$55,450 | $430,400 |
| Renters paying 35% or more of income on rent | 48.5% ±41.9 pts | 31.7% |
| Median monthly owner costs, with a mortgage | $2,165 ±$221 | $2,026 |
| Owner-occupied homes | 94.0% ±4.5 pts | 93.7% |
| Renter-occupied homes | 6.0% ±4.5 pts | 6.3% |
| Housing units | 2,246 ±212 | 4,614 |
| Single-family detached homes | 95.3% ±2.8 pts | 91.8% |
| Mobile homes | 2.2% ±2.1 pts | 3.9% |
| Built 2020 or later | 0.8% ±1.3 pts | 1.8% |
| Built 2010 to 2019 | 8.9% ±6.3 pts | 6.4% |
| Built 1939 or earlier | 15.0% ±7.4 pts | 16.5% |
| Households with no vehicle | 1.8% ±2.9 pts | 1.6% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 9665.01 get to work?
84.9% of Census Tract 9665.01's workers drive alone and 8.3% work from home. The average trip to work takes 32.9 minutes.
| Measure | Tract 9665.01 | Alton |
|---|---|---|
| In the labor force (age 16+) | 66.4% ±7.1 pts | 63.4% |
| Unemployment rate | 1.8% ±1.9 pts | 2.3% |
| Drove alone to work | 84.9% ±5.3 pts | 81.1% |
| Carpooled | 4.9% ±3.7 pts | 4.3% |
| Public transportation | 0.0% ±1.8 pts | 0.0% |
| Walked | 0.0% ±1.8 pts | 0.0% |
| Worked from home | 8.3% ±3.8 pts | 13.1% |
| Mean travel time to work | 32.9 min ±11.0 | 33.1 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 9665.01 compare with the other tracts in Belknap County?
Among Belknap County's tracts with a reliable estimate, Census Tract 9665.01 ranks as shown below (1 = highest).
| Measure | In Belknap County |
|---|---|
| Population | 11th of 18 |
| Residents per square mile | 15th of 18 |
| Median household income | 2nd of 17 |
| Per capita income | 8th of 18 |
| Median home value | 7th of 18 |
| Bachelor's degree or higher | 8th of 18 |
| Median age | 7th of 18 |
| Owner-occupied share | 2nd of 18 |
The tracts next to it on Belknap County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9664.04 | 1st | $123,581±$15,101 · within the margin of this tract |
| Tract 9665.01 | 2nd | $121,250±$16,536 |
| Tract 9656 | 3rd | $117,088±$8,820 · within the margin of this tract |
| Tract 9664.03 | 4th | $116,940±$16,254 · within the margin of this tract |
| Tract 9654 | 5th | $113,750±$40,766 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 9665.01?
4 of the 17 figures for Census Tract 9665.01 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections