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Wisconsin ZIP Codes
Winnebago County
Oshkosh, WI
54904
54904 ZIP Code — Oshkosh, WI
Winnebago County, Wisconsin
ZIP code 54904 is located in
Oshkosh ,
Wisconsin ,
within Winnebago County .
It covers approximately 77.88 square miles and serves a population of
22,342 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 920 .
About ZIP code 54904
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $249,200. Owner-occupancy is high at 78%, well above the national average.
Median household income is $89,023. The poverty rate of 5% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
Overall, ZIP code 54904 reflects a community defined by high homeownership and a significant Social Security-dependent population.
54904 ZIP code map
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Cities in ZIP code 54904
Below are the cities the US Postal Service accepts for ZIP code 54904. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
22,342
Population density
287 / sq mi
State FIPS
55
County FIPS
139
Geography
Land area
77.88 sq mi
Water area
8.33 sq mi
Latitude
44.0289
Longitude
-88.6291
Timezone
Central (CT)
Area code
920
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.1%
40.6%
39.4%
$50k – $100k
32.2%
34.1%
33.0%
$100k – $200k
29.5%
21.2%
22.4%
Over $200k
6.2%
4.1%
5.2%
Demographics & statistics
$89,023
Median household income
$249,200
Median home value
40.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,456 19.9%
18 and over 17,886 80.1%
65 and over 5,045 22.6%
Median age 45.6 years
Race & ethnicity
Black or African American
0.2%
Group Count %
White 20,875 92.5%
Asian 982 4.4%
Two or more races 374 1.7%
Hispanic or Latino 214 0.9%
Other race 66 0.3%
Black or African American 34 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.1%
40.6%
39.4%
$50k – $100k
32.2%
34.1%
33.0%
$100k – $200k
29.5%
21.2%
22.4%
Over $200k
6.2%
4.1%
5.2%
Range % of households
Under $10k 2.7%
$10k–$15k 1.3%
$15k–$25k 4.0%
$25k–$35k 7.5%
$35k–$50k 13.5%
$50k–$75k 15.2%
$75k–$100k 12.9%
$100k–$150k 22.0%
$150k–$200k 11.3%
$200k+ 9.5%
Median income $89,023
Housing
Housing overview
Metric Value
Median home value $249,200
Median rent / month $912
Owner occupied 78.4%
Renter occupied 21.6%
Vacant 3.1%
Single-family detached 71.5%
Large apartment buildings 3.1%
Mobile homes 1.0%
Median rooms 6.1
Avg household size (owned) 2.42
Year built
Era %
2020 or later 0.2%
2010–2019 5.4%
2000–2009 23.7%
1990–1999 28.3%
1980–1989 12.6%
1970–1979 14.0%
1960–1969 6.7%
1950–1959 1.8%
1940–1949 1.0%
1939 or earlier 6.4%
Bedrooms
Size % of units
No bedroom (studio) 2.7%
1 bedroom 3.8%
2 bedrooms 26.5%
3 bedrooms 43.7%
4 bedrooms 19.1%
5+ bedrooms 4.2%
Vehicles per household
Vehicles % of households
No vehicle 5.3%
1 vehicle 28.6%
2 vehicles 44.9%
3 or more 21.3%
Heating fuel
Fuel type %
Utility gas 77.2%
Electricity 15.4%
Propane / LP gas 4.5%
Fuel oil 0.6%
Wood 0.4%
No fuel used 1.3%
Households & families
Household type Count %
Married-couple family 5,560 56.9%
Cohabiting couple 546 5.6%
Male householder, no spouse 1,706 17.5%
Female householder, no spouse 1,957 20.0%
Households with children under 18 2,316 23.7%
Households with seniors (65+) 3,621 37.1%
Average household size 2.27
Marital status
Status Male Female
Never married 27.9% 20.0%
Married 59.9% 60.0%
Separated 0.1% 0.6%
Widowed 1.8% 9.5%
Divorced 10.3% 9.9%
Education
Some college, no degree
17.0%
Graduate / professional
14.3%
Metric %
HS diploma or higher 95.9%
Bachelor's or higher 40.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 226 5.1%
Kindergarten 181 4.0%
Elementary school 2,011 45.0%
High school 1,048 23.4%
College / grad school 1,005 22.5%
Employment
Industry of employment
Education & healthcare
22.2%
Professional & management
7.3%
Arts, food & hospitality
5.8%
Transportation & utilities
4.8%
Public administration
4.2%
Finance & real estate
3.5%
Agriculture & mining
0.5%
Occupation
Category %
Management, business & arts 44.6%
Service 11.3%
Sales & office 22.2%
Natural resources & construction 4.8%
Production & transportation 17.1%
Employment type
Type %
Private sector 80.7%
Government 13.7%
Self-employed 5.4%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 80.4%
Carpool 6.1%
Public transit 0.0%
Walk 0.8%
Work from home 11.8%
Other means 0.8%
Avg commute (minutes) 18.8
Poverty
Married-couple families
1.4%
Female-led households
1.5%
Income support
Source % of households
Social Security 34.9%
Retirement income 31.2%
Supplemental Security 2.8%
Cash public assistance 1.2%
Food stamps / SNAP 3.6%
Health indicators
Condition %
Obesity 33.2%
High blood pressure 28.8%
High cholesterol 34.8%
Diabetes 8.2%
Heart disease 5.5%
Stroke 2.5%
Asthma 9.2%
Arthritis 23.2%
Kidney disease 2.5%
Pulmonary disease 5.2%
Cancer 7.0%
Behavior / access %
Smoking 14.6%
Binge drinking 24.3%
No physical activity 17.0%
Less than 7 hrs sleep 29.1%
Depression 19.8%
Fair or poor health 10.1%
Poor mental health 12.7%
Poor physical health 8.7%
No health insurance 8.5%
Visited doctor (checkup) 73.5%
Visited dentist 72.7%
Cholesterol screening 88.9%
Teeth loss 9.3%
Veterans & disability
Veterans Count %
Civilian veterans 1,721 9.6%
Disability %
Any disability 10.9%
Under 18 1.2%
18–64 years 7.6%
65 and over 27.8%
Health insurance coverage
Type %
Private insurance 80.9%
Public insurance 33.0%
No insurance 2.4%
Uninsured under 19 2.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 21,286 95.3%
Spanish 411 1.9%
Other Indo-European 96 0.5%
Asian & Pacific Islander 42 0.2%
Other languages 273 1.3%
Place of birth & citizenship
Origin Count %
Native born (US) 21,594 96.7%
Born in same state 21,381 95.7%
Born in different state 17,471 78.2%
Foreign born 213 1.0%
Naturalized citizen 748 3.3%
Not a US citizen 514 68.7%
Ancestry
Ancestry Count %
Italian 2,355 10.5%
French 1,645 7.4%
Arab 805 3.6%
Polish 772 3.5%
English 680 3%
Ancestry Count %
Dutch 419 1.9%
German 294 1.3%
Norwegian 48 0.2%
Irish 15 0.1%
Technology access
Metric % of households
Computer access 43.7%
Internet access 94.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 54904
What city is ZIP code 54904 in?
ZIP code 54904 is primarily assigned to Oshkosh, Wisconsin.
What county is ZIP code 54904 in?
ZIP code 54904 falls within Winnebago County, Wisconsin.
Does ZIP code 54904 have a large veteran population?
10% of civilians in ZIP code 54904 are veterans, above the national average of ~7%.
What is the population of ZIP code 54904?
ZIP code 54904 has an estimated population of 22,342 residents, with a density of 287 people per square mile.
What is the median household income in ZIP code 54904?
The median household income in ZIP code 54904 is $89,023, above the national median of ~$75,000.
What is the typical home value in ZIP code 54904?
The median home value in ZIP code 54904 is $249,200.
What timezone is ZIP code 54904 in?
ZIP code 54904 observes the CST timezone.
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