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ZIP Code 03225

Alton, NH, Belknap County

Population

3,834

Land area

27.8sq mi

People per sq mi

138

City

Alton

ZIP 03225 and nearby ZIP codes

ZIP 03225 at a glance

  • The median household income is $111,660, 13% above the New Hampshire median of $99,031.
  • A typical owner-occupied home is valued at $368,400 (8% below New Hampshire) and median rent is $1,355 a month.

Local data for ZIP 03225

Counts from official public data

Housing and community stats

ZIP 03225, American Community Survey 2020-2024

Full profile

Median household income

$111,660

Poverty rate

2.0%

Median home value

$368,400

Prices +18.7% in a year

Median rent

$1,355/mo

Homeownership

94.6%

Bachelor's or higher

30.4%

Median age

43.2

Average commute

30.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

51

ZIP Business Patterns 2023

Employees

209

$9.24M annual payroll

PPP loans

$1.13M

58 loans

Campaign donations

$7,837

43% D, 14% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 03225, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: lightning

Storm events since 1996

551

Countywide, mostly thunderstorm wind

Flood insurance policies

156

0.6% of homes, county

July high / Jan low

82° / 15°F

41.2 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in ZIP 03225, CDC PLACES estimates

All 40 measures

Obesity

30.6%

U.S. 33.3% -2.7 pts

Diabetes

9.2%

U.S. 12.1% -2.9 pts

Smoking

12.8%

U.S. 12.8% about the same

Uninsured (18-64)

6.6%

U.S. 11.1% -4.5 pts

ZIP codes near 03225

NameDistanceLand area (sq mi)
03218Pittsfield3.7 mi15.3
03263Pittsfield5.9 mi24.5
03837Alton6.2 mi20
03884Farmington6.6 mi49
03809Alton6.8 mi40.1
03835Farmington7.7 mi36.8
03855Alton8.5 mi41.2
03261Pittsfield9.5 mi28.2
03237Belmont10 mi38
03307Loudon11 mi47
03887Union11 mi18.8
03258Loudon11 mi21.2

Frequently asked questions

What city is ZIP code 03225?
ZIP code 03225 is in Alton, NH (Belknap County).
What county is ZIP code 03225 in?
ZIP code 03225 is mostly in Belknap County, New Hampshire.
How many people live in ZIP code 03225?
About 3,834 people live in the 03225 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.