What city is ZIP code 13646?

ZIP code 13646 is in Hammond, NY (St. Lawrence County).

What county is ZIP code 13646 in?

ZIP code 13646 is mostly in St. Lawrence County, New York.

How many people live in ZIP code 13646?

About 2,546 people live in the 13646 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 13646

Hammond, NY, St. Lawrence County

Population

2,546

Land area

105sq mi

People per sq mi

City

Hammond

ZIP 13646 and nearby ZIP codes

Full map

ZIP 13646 at a glance

ZIP 13646 (Hammond) is 94% less dense than New York as a whole.
The median household income is $72,212, 16% below the New York median of $85,974.
A typical owner-occupied home is valued at $155,100 (63% below New York) and median rent is $738 a month.

Local data for ZIP 13646

Counts from official public data

Housing and community stats

ZIP 13646, American Community Survey 2020-2024

Full profile

Median household income

$72,212

Poverty rate

25.6%

Median home value

$155,100

Median rent

$738/mo

Homeownership

77.8%

Bachelor's or higher

25.9%

Median age

39.5

Average commute

28.8 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

$4.6M annual payroll

PPP loans

$1.3M

48 loans

Campaign donations

$7,700

100% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 13646, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: cold wave

Storm events since 1996

1,290

Countywide, mostly winter weather

Flood insurance policies

109

0.3% of homes, county

July high / Jan low

79° / 5°F

39.6 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 13646, CDC PLACES estimates

All 40 measures

Obesity

46.4%

U.S. 33.3% +13.1 pts

Diabetes

16.4%

U.S. 12.1% +4.3 pts

Smoking

20.7%

U.S. 12.8% +7.9 pts

Uninsured (18-64)

7.6%

U.S. 11.1% -3.5 pts

Frequently asked questions

What city is ZIP code 13646?: ZIP code 13646 is in Hammond, NY (St. Lawrence County).
What county is ZIP code 13646 in?: ZIP code 13646 is mostly in St. Lawrence County, New York.
How many people live in ZIP code 13646?: About 2,546 people live in the 13646 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.