What city is ZIP code 03456?

ZIP code 03456 is in Keene, NH (Cheshire County).

What county is ZIP code 03456 in?

ZIP code 03456 is mostly in Cheshire County, New Hampshire.

How many people live in ZIP code 03456?

About 855 people live in the 03456 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 03456

Keene, NH, Cheshire County

Population

855

Land area

26sq mi

People per sq mi

City

Keene

ZIP 03456 and nearby ZIP codes

Full map

ZIP 03456 at a glance

ZIP 03456 (Keene) is 79% less dense than New Hampshire as a whole.
The median household income is $110,455, 12% above the New Hampshire median of $99,031.
A typical owner-occupied home is valued at $325,400 (19% below New Hampshire) and median rent is $1,154 a month.

Local data for ZIP 03456

Counts from official public data

Housing and community stats

ZIP 03456, American Community Survey 2020-2024

Full profile

Median household income

$110,455

Poverty rate

8.9%

Median home value

$325,400

Median rent

$1,154/mo

Homeownership

92.6%

Bachelor's or higher

33.4%

Median age

52.8

Average commute

35.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

$2M annual payroll

PPP loans

$350K

11 loans

Campaign donations

$810

27% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 03456, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: landslide

Storm events since 1996

730

Countywide, mostly thunderstorm wind

Flood insurance policies

227

0.9% of homes, county

July high / Jan low

81° / 13°F

47.0 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 03456, CDC PLACES estimates

All 40 measures

Obesity

32.2%

U.S. 33.3% -1.1 pts

Diabetes

11.5%

U.S. 12.1% -0.6 pts

Smoking

13.9%

U.S. 12.8% +1.1 pts

Uninsured (18-64)

7.1%

U.S. 11.1% -4.0 pts

Frequently asked questions

What city is ZIP code 03456?: ZIP code 03456 is in Keene, NH (Cheshire County).
What county is ZIP code 03456 in?: ZIP code 03456 is mostly in Cheshire County, New Hampshire.
How many people live in ZIP code 03456?: About 855 people live in the 03456 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.