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New York ZIP Codes
Saint Lawrence County
Chase Mills, NY
13621
13621 ZIP Code — Chase Mills, NY
Saint Lawrence County, New York
ZIP code 13621 is located in
Chase Mills ,
New York ,
within Saint Lawrence County .
It covers approximately 28.59 square miles and serves a population of
578 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 315 .
About ZIP code 13621
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $127,100. Owner-occupancy sits near the national average at 66%.
The gap between median ($52,083) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 45% of residents, above the national average. SNAP benefit usage at 41% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
Overall, ZIP code 13621 reflects a community defined by economic challenges above the national average and elevated reliance on food assistance.
13621 ZIP code map
View map of 13621
Cities in ZIP code 13621
Below are the cities the US Postal Service accepts for ZIP code 13621. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
578
Population density
20 / sq mi
State FIPS
36
County FIPS
089
Geography
Land area
28.59 sq mi
Water area
1.00 sq mi
Latitude
44.8479
Longitude
-75.0670
Timezone
Eastern (ET)
Area code
315
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.0%
47.8%
37.0%
$50k – $100k
34.0%
30.8%
27.0%
$100k – $200k
27.0%
18.1%
24.4%
Over $200k
0.0%
3.2%
11.5%
Demographics & statistics
$52,083
Median household income
$127,100
Median home value
29.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 169 29.2% 18 and over 409 70.8% 65 and over 64 11.1% Median age 29.6 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.0%
47.8%
37.0%
$50k – $100k
34.0%
30.8%
27.0%
$100k – $200k
27.0%
18.1%
24.4%
Over $200k
0.0%
3.2%
11.5%
Range % of households Under $10k 3.6% $10k–$15k 8.2% $15k–$25k 0.9% $25k–$35k 23.6% $35k–$50k 11.4% $50k–$75k 16.4% $75k–$100k 8.6% $100k–$150k 11.4% $150k–$200k 1.8% $200k+ 14.1% Median income $52,083
Housing
Housing overview
Metric Value Median home value $127,100 Median rent / month $0 Owner occupied 65.9% Renter occupied 34.1% Vacant 30.8% Single-family detached 84.3% Large apartment buildings 0.0% Mobile homes 12.3% Median rooms 5.5 Avg household size (owned) 2.99
Year built
Era % 2020 or later 0.0% 2010–2019 3.5% 2000–2009 8.5% 1990–1999 7.2% 1980–1989 24.8% 1970–1979 18.6% 1960–1969 1.3% 1950–1959 12.6% 1940–1949 2.5% 1939 or earlier 21.1%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 8.5% 2 bedrooms 29.9% 3 bedrooms 33.3% 4 bedrooms 19.2% 5+ bedrooms 9.1%
Vehicles per household
Vehicles % of households No vehicle 5.0% 1 vehicle 40.0% 2 vehicles 26.4% 3 or more 28.6%
Heating fuel
Fuel type % Electricity 10.9% Propane / LP gas 14.1% Fuel oil 59.5% Wood 14.1%
Households & families
Household type Count % Married-couple family 65 29.5% Cohabiting couple 77 35.0% Male householder, no spouse 48 21.8% Female householder, no spouse 30 13.6% Households with children under 18 100 45.5% Households with seniors (65+) 59 26.8% Average household size 2.63
Marital status
Status Male Female Never married 51.8% 26.0% Married 32.0% 37.0% Separated 0.0% 23.8% Widowed 2.2% 5.0% Divorced 14.0% 8.3%
Education
Some college, no degree
15.6%
Graduate / professional
13.8%
Metric % HS diploma or higher 92.0% Bachelor's or higher 29.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 5 5.6% Kindergarten 21 23.6% Elementary school 56 62.9% High school 0 0.0% College / grad school 7 7.9%
Employment
Industry of employment
Education & healthcare
33.5%
Public administration
10.6%
Agriculture & mining
6.7%
Arts, food & hospitality
3.9%
Professional & management
2.2%
Occupation
Category % Management, business & arts 34.1% Service 15.1% Sales & office 6.1% Natural resources & construction 10.6% Production & transportation 34.1%
Employment type
Type % Private sector 60.9% Government 31.3% Self-employed 7.8% Unpaid family workers 0.0%
Commute
Method % Drive alone 90.0% Carpool 9.4% Public transit 0.0% Walk 0.0% Work from home 0.6% Other means 0.0% Avg commute (minutes) 29.9
Poverty
Married-couple families
6.2%
Female-led households
86.0%
Income support
Source % of households Social Security 28.2% Retirement income 37.7% Supplemental Security 1.4% Cash public assistance 4.1% Food stamps / SNAP 40.9%
Health indicators
Condition % Obesity 33.9% High blood pressure 32.3% High cholesterol 33.7% Diabetes 9.1% Heart disease 6.1% Stroke 2.8% Asthma 9.9% Arthritis 24.1% Kidney disease 2.8% Pulmonary disease 7.1% Cancer 6.8%
Behavior / access % Smoking 18.8% Binge drinking 19.2% No physical activity 24.6% Less than 7 hrs sleep 31.1% Depression 22.7% Fair or poor health 12.2% Poor mental health 14.0% Poor physical health 9.7% No health insurance 9.7% Visited doctor (checkup) 79.6% Visited dentist 68.3% Cholesterol screening 90.3% Teeth loss 14.3%
Veterans & disability
Veterans Count % Civilian veterans 43 10.5%
Disability % Any disability 16.8% Under 18 2.4% 18–64 years 13.9% 65 and over 70.3%
Health insurance coverage
Type % Private insurance 46.5% Public insurance 58.7% No insurance 4.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 486 84.1% Spanish 6 1.2% Other Indo-European 0 0.0% Asian & Pacific Islander 6 1.2% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 562 97.2% Born in same state 562 97.2% Born in different state 527 91.2% Foreign born 0 0.0% Naturalized citizen 16 2.8% Not a US citizen 10 62.5%
Ancestry
Ancestry Count % Arab 193 33.4% Italian 142 24.6%
Ancestry Count % French 41 7.1% German 26 4.5%
Technology access
Metric % of households Computer access 38.1% Internet access 91.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 13621
What city is ZIP code 13621 in?
ZIP code 13621 is primarily assigned to Chase Mills, New York.
What county is ZIP code 13621 in?
ZIP code 13621 falls within Saint Lawrence County, New York.
What is the poverty rate in ZIP code 13621?
45% of residents in ZIP code 13621 live below the poverty line, above the national average.
Does ZIP code 13621 have a large veteran population?
11% of civilians in ZIP code 13621 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 13621?
The median home value in ZIP code 13621 is $127,100.
What is the population of ZIP code 13621?
ZIP code 13621 has an estimated population of 578 residents, with a density of 20 people per square mile.
What timezone is ZIP code 13621 in?
ZIP code 13621 observes the EST timezone.
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