What is the largest city in Clinton County, NY?

Plattsburgh is the largest city or town in Clinton County, with about 19,830 residents.

How many ZIP codes are in Clinton County?

Clinton County includes 25 ZIP Code Tabulation Areas, including 12901, 12903, 12910, 12911, 12912.

What is the population of Clinton County, NY?

About 78,493 people live in Clinton County, based on American Community Survey 5-year estimates.

What counties border Clinton County?

Clinton County borders Chittenden County, VT, Franklin County, Essex County, Grand Isle County, VT.

Clinton County, NY: Cities, ZIP Codes & Local Data

Population

78,493

Land area

1,038sq mi

People per sq mi

76

ZIP codes

25

Clinton County at a glance

Clinton County is 82% less dense than New York as a whole.
Households here earn a median of $71,224 a year, 17% less than the New York figure of $85,974.
A typical owner-occupied home is valued at $180,600 (57% below New York) and median rent is $1,003 a month.
The biggest population centers are Plattsburgh (19,830), Dannemora (2,684) and Keeseville (2,570).

Local data for Clinton County, NY

Counts from official public data

Housing and community stats

Clinton County, NY, American Community Survey 2020-2024

Full profile

Median household income

$71,224

Poverty rate

13.7%

Median home value

$180,600

Prices +5.9% in a year

Median rent

$1,003/mo

Homeownership

69.4%

Bachelor's or higher

27.6%

Median age

41.9

Average commute

20.4 min

Largest reported origins and ancestries: Irish Americans (12,040), French Americans (11,756), German Americans (6,893).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.4%

Aug 2026, 0.0 pts in a year

Average annual pay

$62,777

31,572 jobs, 2025

Income per person

$57,305

BEA, 2024

Federal spending

$561M

FY 2026, $7,028 per person

PPP loans

$135M

1,450 loans, 16,199 jobs reported

Campaign donations

$217K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Clinton County, NY, workers 16 and older. American Community Survey 5-year estimates

Drove alone76.5%
Carpooled9.7%
Public transit0.1%
Walked4.8%
Bicycle0.2%
Taxi, ride-hailing, motorcycle or other1.1%
Worked from home7.6%

Average one-way commute: 20.4 minutes for people who do not work from home.

Environment and hazard risk

Clinton County, NY, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: ice storm

Storm events since 1996

995

Most often winter weather

Flood insurance policies

149

0.5% of homes, county

July high / Jan low

79° / 9°F

43.4 inches of rain a year

Hazards, floods and storm history Check a flood zone 37 historic places

Health statistics

Share of adults in Clinton County, NY, CDC PLACES estimates

All 40 measures

Obesity

33.2%

U.S. 33.3% about the same

Diabetes

10.7%

U.S. 12.1% -1.4 pts

Smoking

14.4%

U.S. 12.8% +1.6 pts

Uninsured (18-64)

6.3%

U.S. 11.1% -4.8 pts

Cities, towns and ZIP codes in Clinton County

Population shown

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Frequently asked questions

What is the largest city in Clinton County, NY?: Plattsburgh is the largest city or town in Clinton County, with about 19,830 residents.
How many ZIP codes are in Clinton County?: Clinton County includes 25 ZIP Code Tabulation Areas, including 12901, 12903, 12910, 12911, 12912.
What is the population of Clinton County, NY?: About 78,493 people live in Clinton County, based on American Community Survey 5-year estimates.
What counties border Clinton County?: Clinton County borders Chittenden County, VT, Franklin County, Essex County, Grand Isle County, VT.