13421 ZIP Code — Oneida, NY
Madison County, New York
ZIP code 13421 is located in Oneida, New York, within Madison County. It covers approximately 40.11 square miles and serves a population of 12,857 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 315.
About ZIP code 13421
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $136,500. Owner-occupancy sits near the national average at 67%.
Median household income is $60,459. 41% 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 21 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
12,857
population
40.11
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
13421 ZIP code map
Cities in ZIP code 13421
Below are the cities the US Postal Service accepts for ZIP code 13421. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Oneida | Acceptable |
| Oneida | Preferred |
Nearby ZIP codes
13461 Sherrill (1.4 mi)
13477 Vernon Center (5.5 mi)
13476 Vernon (6.3 mi)
13478 Verona (6.5 mi)
13032 Canastota (6.8 mi)
13409 Munnsville (6.9 mi)
13054 Durhamville (7.3 mi)
13408 Morrisville (9.2 mi)
13425 Oriskany Falls (10 mi)
13490 Westmoreland (10.6 mi)
13328 Deansboro (11.8 mi)
13037 Chittenango (12 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 12,857 |
| Population density | 321 / sq mi |
| State FIPS | 36 |
| County FIPS | 053 |
| Geography | |
|---|---|
| Land area | 40.11 sq mi |
| Water area | 0.08 sq mi |
| Latitude | 43.0601 |
| Longitude | -75.6277 |
| Timezone | Eastern (ET) |
| Area code | 315 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.1% | 39.7% | 37.0% |
| $50k – $100k | 26.7% | 32.7% | 27.0% |
| $100k – $200k | 23.8% | 22.5% | 24.4% |
| Over $200k | 2.4% | 5.2% | 11.5% |
Demographics & statistics
12,857
Population
321
People per sq mi
45.9
Median age
$60,459
Median household income
$37,343
Per capita income
$136,500
Median home value
$841
Median monthly rent
66.5%
Home ownership
11.0%
Poverty rate
4.2%
Unemployment
3,994
Housing units
25.4%
Bachelor's or higher
Age distribution
Male
Female
328
Under 5
368
355
5–9
399
357
10–14
401
335
15–19
376
312
20–24
351
641
25–34
721
600
35–44
675
794
45–54
894
509
55–59
573
533
60–64
599
739
65–74
831
336
75–84
377
213
85+
240
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 2,651 | 20.6% |
| 18 and over | 10,206 | 79.4% |
| 65 and over | 2,736 | 21.3% |
| Median age | 45.9 years | |
Race & ethnicity
White
89.9%
Hispanic or Latino
3.2%
Two or more races
3.2%
Other race
2%
Black or African American
0.9%
Asian
0.6%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 11,946 | 89.9% |
| Hispanic or Latino | 430 | 3.2% |
| Two or more races | 425 | 3.2% |
| Other race | 264 | 2% |
| Black or African American | 120 | 0.9% |
| Asian | 75 | 0.6% |
| American Indian / Alaska Native | 27 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.1% | 39.7% | 37.0% |
| $50k – $100k | 26.7% | 32.7% | 27.0% |
| $100k – $200k | 23.8% | 22.5% | 24.4% |
| Over $200k | 2.4% | 5.2% | 11.5% |
Under $10k
4.3%
$10k–$15k
4.6%
$15k–$25k
8.9%
$25k–$35k
14.1%
$35k–$50k
10.6%
$50k–$75k
15.7%
$75k–$100k
13.3%
$100k–$150k
15.3%
$150k–$200k
6.8%
$200k+
6.3%
| Range | % of households |
|---|---|
| Under $10k | 4.3% |
| $10k–$15k | 4.6% |
| $15k–$25k | 8.9% |
| $25k–$35k | 14.1% |
| $35k–$50k | 10.6% |
| $50k–$75k | 15.7% |
| $75k–$100k | 13.3% |
| $100k–$150k | 15.3% |
| $150k–$200k | 6.8% |
| $200k+ | 6.3% |
| Median income | $60,459 |
Housing
Home values
Under $50k
3.4%
$50k–$100k
24.0%
$100k–$150k
29.1%
$150k–$200k
17.8%
$200k–$300k
14.2%
$300k–$500k
8.8%
$500k–$1M
1.5%
$1M+
1.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $136,500 |
| Median rent / month | $841 |
| Owner occupied | 66.5% |
| Renter occupied | 33.5% |
| Vacant | 5.3% |
| Single-family detached | 62.7% |
| Large apartment buildings | 8.1% |
| Mobile homes | 1.2% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.55 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.7% |
| 2010–2019 | 2.2% |
| 2000–2009 | 4.3% |
| 1990–1999 | 4.7% |
| 1980–1989 | 7.2% |
| 1970–1979 | 10.6% |
| 1960–1969 | 11.9% |
| 1950–1959 | 8.6% |
| 1940–1949 | 7.8% |
| 1939 or earlier | 42.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.0% |
| 1 bedroom | 14.7% |
| 2 bedrooms | 23.7% |
| 3 bedrooms | 40.5% |
| 4 bedrooms | 13.7% |
| 5+ bedrooms | 6.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 9.9% |
| 1 vehicle | 41.4% |
| 2 vehicles | 33.8% |
| 3 or more | 14.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.5% |
| Electricity | 17.2% |
| Propane / LP gas | 7.0% |
| Fuel oil | 5.2% |
| Wood | 2.4% |
| Solar | 0.1% |
| No fuel used | 0.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,307 | 41.7% |
| Cohabiting couple | 615 | 11.1% |
| Male householder, no spouse | 921 | 16.6% |
| Female householder, no spouse | 1,696 | 30.6% |
| Households with children under 18 | 1,429 | 25.8% |
| Households with seniors (65+) | 2,005 | 36.2% |
| Average household size | 2.29 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.8% | 29.3% |
| Married | 50.9% | 39.6% |
| Separated | 1.3% | 3.7% |
| Widowed | 4.3% | 11.1% |
| Divorced | 12.7% | 16.3% |
Education
Less than 9th grade
1.9%
Some HS, no diploma
7.9%
HS graduate
30.9%
Some college, no degree
18.9%
Associate's degree
14.9%
Bachelor's degree
14.4%
Graduate / professional
11.0%
| Metric | % |
|---|---|
| HS diploma or higher | 90.2% |
| Bachelor's or higher | 25.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 257 | 9.6% |
| Kindergarten | 237 | 8.8% |
| Elementary school | 1,019 | 38.0% |
| High school | 637 | 23.7% |
| College / grad school | 534 | 19.9% |
Employment
Industry of employment
Education & healthcare
31.7%
Arts, food & hospitality
12.6%
Manufacturing
11.9%
Retail trade
11.0%
Professional & management
6.8%
Finance & real estate
5.1%
Public administration
5.0%
Transportation & utilities
4.6%
Other services
4.1%
Construction
3.9%
Agriculture & mining
1.7%
Information
1.0%
Wholesale trade
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.9% |
| Service | 22.6% |
| Sales & office | 20.2% |
| Natural resources & construction | 7.2% |
| Production & transportation | 13.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.3% |
| Government | 16.5% |
| Self-employed | 4.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 82.6% |
| Carpool | 6.4% |
| Public transit | 0.0% |
| Walk | 6.3% |
| Work from home | 4.5% |
| Other means | 0.1% |
| Avg commute (minutes) | 20.7 |
Poverty
All people
11.0%
Under 18 years
13.4%
18 and over
10.4%
Married-couple families
3.0%
Female-led households
28.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 41.2% |
| Retirement income | 31.5% |
| Supplemental Security | 6.1% |
| Cash public assistance | 4.8% |
| Food stamps / SNAP | 15.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.8% |
| High blood pressure | 32.0% |
| High cholesterol | 34.4% |
| Diabetes | 9.5% |
| Heart disease | 6.7% |
| Stroke | 3.2% |
| Asthma | 10.8% |
| Arthritis | 24.9% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.7% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Smoking | 19.1% |
| Binge drinking | 17.9% |
| No physical activity | 24.3% |
| Less than 7 hrs sleep | 33.1% |
| Depression | 21.7% |
| Fair or poor health | 13.4% |
| Poor mental health | 15.0% |
| Poor physical health | 10.7% |
| No health insurance | 10.6% |
| Visited doctor (checkup) | 78.6% |
| Visited dentist | 63.1% |
| Cholesterol screening | 90.3% |
| Teeth loss | 14.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 708 | 7.0% |
| Disability | % |
|---|---|
| Any disability | 15.0% |
| Under 18 | 6.0% |
| 18–64 years | 12.1% |
| 65 and over | 32.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 70.5% |
| Public insurance | 42.8% |
| No insurance | 2.5% |
| Uninsured under 19 | 1.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 12,161 | 94.6% |
| Spanish | 72 | 0.6% |
| Other Indo-European | 17 | 0.1% |
| Asian & Pacific Islander | 25 | 0.2% |
| Other languages | 20 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 12,629 | 98.2% |
| Born in same state | 12,531 | 97.5% |
| Born in different state | 11,332 | 88.1% |
| Foreign born | 98 | 0.8% |
| Naturalized citizen | 228 | 1.8% |
| Not a US citizen | 208 | 91.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 2,369 | 18.4% |
| French | 1,840 | 14.3% |
| Arab | 1,660 | 12.9% |
| Polish | 250 | 1.9% |
| English | 232 | 1.8% |
| Ancestry | Count | % |
|---|---|---|
| German | 107 | 0.8% |
| Irish | 73 | 0.6% |
| Dutch | 71 | 0.6% |
| Norwegian | 8 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 43.1% |
| Internet access | 87.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 13421
What city is ZIP code 13421 in?
ZIP code 13421 is primarily assigned to Oneida, New York.
What county is ZIP code 13421 in?
ZIP code 13421 falls within Madison County, New York.
Does ZIP code 13421 have a large retiree population?
41% of households in ZIP code 13421 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 13421?
The median home value in ZIP code 13421 is $136,500.
What is the population of ZIP code 13421?
ZIP code 13421 has an estimated population of 12,857 residents, with a density of 321 people per square mile.
What is the median household income in ZIP code 13421?
The median household income in ZIP code 13421 is $60,459, below the national median of ~$75,000.
What timezone is ZIP code 13421 in?
ZIP code 13421 observes the EST timezone.