12903 ZIP Code — Plattsburgh, NY

Clinton County, New York

ZIP code 12903 is located in Plattsburgh, New York, within Clinton County. It covers approximately 4.24 square miles and serves a population of 1,705 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 518.

About ZIP code 12903

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $163,400. Owner-occupancy sits near the national average at 53%.

Median household income is $76,027. The poverty rate of 5% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 15 minutes is near the national average.

Educational attainment is high — 47% of residents hold a bachelor's degree or higher, well above the national average of 33%.

1,705

population

4.24

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

12903 ZIP code map

Cities in ZIP code 12903

Below are the cities the US Postal Service accepts for ZIP code 12903. Using any city not on this list may result in mail delivery delays.

City	Status
Plattsburgh	Preferred

Nearby ZIP codes

12901 Plattsburgh (2.9 mi) 12962 Morrisonville (7.2 mi) 05486 South Hero (8 mi) 12972 Peru (8.5 mi) 05458 Grand Isle (9.1 mi) 12911 Keeseville (10.1 mi) 12918 Cadyville (10.7 mi) 12992 West Chazy (11.5 mi) 12924 Keeseville (12.8 mi) 05446 Colchester (13.8 mi) 12985 Schuyler Falls (14 mi) 12944 Keeseville (14.7 mi)

Demographics updated 05/2026

Population
Total population	1,705
Population density	402 / sq mi
State FIPS	36
County FIPS	019

Geography
Land area	4.24 sq mi
Water area	0.00 sq mi
Latitude	44.6623
Longitude	-73.4632
Timezone	Eastern (ET)
Area code	518

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.2%	40.8%	37.0%
$50k – $100k	50.1%	34.8%	27.0%
$100k – $200k	20.5%	20.8%	24.4%
Over $200k	5.2%	3.6%	11.5%

Demographics & statistics

1,705

Population

402

People per sq mi

45.0

Median age

$76,027

Median household income

$43,496

Per capita income

$163,400

Median home value

$1,401

Median monthly rent

53.0%

Home ownership

4.6%

Poverty rate

8.0%

Unemployment

521

Housing units

47.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

125

55–59

60–64

104

65–74

138

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	343	20.1%
18 and over	1,362	79.9%
65 and over	384	22.5%
Median age	45.0 years

Race & ethnicity

White 91.9%

Asian 3.4%

Two or more races 1.9%

Hispanic or Latino 1%

Other race 1%

American Indian / Alaska Native 0.5%

Black or African American 0.3%

Group	Count	%
White	1,583	91.9%
Asian	58	3.4%
Two or more races	33	1.9%
Hispanic or Latino	17	1%
Other race	17	1%
American Indian / Alaska Native	9	0.5%
Black or African American	5	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.2%	40.8%	37.0%
$50k – $100k	50.1%	34.8%	27.0%
$100k – $200k	20.5%	20.8%	24.4%
Over $200k	5.2%	3.6%	11.5%

Under $10k 3.6%

$10k–$15k 6.8%

$15k–$25k 3.2%

$25k–$35k 5.8%

$35k–$50k 8.0%

$50k–$75k 21.3%

$75k–$100k 22.4%

$100k–$150k 12.8%

$150k–$200k 8.9%

$200k+ 7.3%

Range	% of households
Under $10k	3.6%
$10k–$15k	6.8%
$15k–$25k	3.2%
$25k–$35k	5.8%
$35k–$50k	8.0%
$50k–$75k	21.3%
$75k–$100k	22.4%
$100k–$150k	12.8%
$150k–$200k	8.9%
$200k+	7.3%
Median income	$76,027

Housing

Home values

Under $50k 0.7%

$100k–$150k 35.4%

$150k–$200k 30.5%

$200k–$300k 15.7%

$300k–$500k 17.7%

Housing overview

Metric	Value
Median home value	$163,400
Median rent / month	$1,401
Owner occupied	53.0%
Renter occupied	47.0%
Vacant	8.2%
Single-family detached	12.2%
Large apartment buildings	10.5%
Mobile homes	0.0%
Median rooms	5.3
Avg household size (owned)	2.10

Year built

Era	%
2020 or later	0.0%
2010–2019	27.3%
2000–2009	15.1%
1990–1999	6.0%
1980–1989	2.6%
1970–1979	4.3%
1960–1969	6.4%
1950–1959	31.4%
1940–1949	1.5%
1939 or earlier	5.3%

Bedrooms

Size	% of units
No bedroom (studio)	2.1%
1 bedroom	10.5%
2 bedrooms	36.0%
3 bedrooms	43.4%
4 bedrooms	2.6%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.8%
1 vehicle	61.7%
2 vehicles	31.5%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	32.9%
Electricity	65.0%
Fuel oil	1.0%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	293	34.8%
Cohabiting couple	15	1.8%
Male householder, no spouse	169	20.1%
Female householder, no spouse	364	43.3%
Households with children under 18	185	22.0%
Households with seniors (65+)	313	37.2%
Average household size	1.86

Marital status

Status	Male	Female
Never married	30.6%	28.9%
Married	48.0%	36.3%
Separated	3.3%	1.4%
Widowed	2.1%	14.3%
Divorced	16.0%	19.2%

Education

Less than 9th grade 0.1%

Some HS, no diploma 1.3%

HS graduate 16.6%

Some college, no degree 15.3%

Associate's degree 19.6%

Bachelor's degree 24.1%

Graduate / professional 23.1%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	47.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	63	14.1%
Elementary school	105	23.5%
High school	122	27.3%
College / grad school	157	35.1%

Employment

Industry of employment

Education & healthcare 33.2%

Public administration 12.3%

Retail trade 8.7%

Manufacturing 8.4%

Transportation & utilities 8.0%

Arts, food & hospitality 7.8%

Other services 6.8%

Wholesale trade 4.5%

Finance & real estate 3.9%

Professional & management 3.5%

Construction 2.8%

Occupation

Category	%
Management, business & arts	57.8%
Service	16.8%
Sales & office	20.6%
Natural resources & construction	2.6%
Production & transportation	2.2%

Employment type

Type	%
Private sector	67.3%
Government	23.4%
Self-employed	9.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.7%
Carpool	9.7%
Public transit	0.0%
Walk	4.1%
Work from home	2.4%
Other means	1.0%
Avg commute (minutes)	14.9

Poverty

All people 4.6%

Under 18 years 0.0%

18 and over 5.9%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	35.7%
Retirement income	44.1%
Supplemental Security	3.4%
Cash public assistance	0.0%
Food stamps / SNAP	7.7%

Health indicators

Condition	%
Obesity	27.8%
High blood pressure	34.5%
High cholesterol	33.5%
Diabetes	9.9%
Heart disease	7.5%
Stroke	3.3%
Asthma	10.1%
Arthritis	27.1%
Kidney disease	3.3%
Pulmonary disease	6.8%
Cancer	9.4%

Behavior / access	%
Smoking	13.8%
Binge drinking	14.8%
No physical activity	20.9%
Less than 7 hrs sleep	30.0%
Depression	20.3%
Fair or poor health	11.2%
Poor mental health	12.5%
Poor physical health	9.3%
No health insurance	8.3%
Visited doctor (checkup)	80.0%
Visited dentist	69.3%
Cholesterol screening	92.8%
Teeth loss	12.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	105	7.7%

Disability	%
Any disability	13.7%
Under 18	2.6%
18–64 years	7.4%
65 and over	39.6%

Health insurance coverage

Type	%
Private insurance	81.3%
Public insurance	38.1%
No insurance	1.6%
Uninsured under 19	2.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,636	96.0%
Spanish	31	1.9%
Other Indo-European	9	0.6%
Asian & Pacific Islander	14	0.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,532	89.9%
Born in same state	1,519	89.1%
Born in different state	1,248	73.2%
Foreign born	13	0.8%
Naturalized citizen	173	10.1%
Not a US citizen	59	34.1%

Ancestry

Ancestry	Count	%
Italian	249	14.6%
French	231	13.5%
German	110	6.5%
Arab	42	2.5%

Ancestry	Count	%
Irish	14	0.8%
English	14	0.8%
Norwegian	5	0.3%

Technology access

Metric	% of households
Computer access	49.3%
Internet access	93.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 12903

What city is ZIP code 12903 in?

ZIP code 12903 is primarily assigned to Plattsburgh, New York.

What county is ZIP code 12903 in?

ZIP code 12903 falls within Clinton County, New York.

How educated is the population of ZIP code 12903?

47% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 12903 have a large retiree population?

36% of households in ZIP code 12903 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 12903?

The median home value in ZIP code 12903 is $163,400.

What is the population of ZIP code 12903?

ZIP code 12903 has an estimated population of 1,705 residents, with a density of 402 people per square mile.

What timezone is ZIP code 12903 in?

ZIP code 12903 observes the EST timezone.