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Wisconsin ZIP Codes
Brown County
Green Bay, WI
54304
54304 ZIP Code — Green Bay, WI
Brown County, Wisconsin
ZIP code 54304 is located in
Green Bay ,
Wisconsin ,
within Brown County .
It covers approximately 11.66 square miles and serves a population of
27,859 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 920 .
About ZIP code 54304
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $175,600. Owner-occupancy sits near the national average at 57%.
Median household income is $57,061. 31% 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 18 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 54304
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
27,859
Population density
2,389 / sq mi
State FIPS
55
County FIPS
009
Geography
Land area
11.66 sq mi
Water area
0.64 sq mi
Latitude
44.4899
Longitude
-88.0699
Timezone
Central (CT)
Area code
920
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.7%
38.0%
39.4%
$50k – $100k
35.9%
34.0%
33.0%
$100k – $200k
13.6%
22.9%
22.4%
Over $200k
1.9%
5.1%
5.2%
Demographics & statistics
$57,061
Median household income
$175,600
Median home value
27.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 5,815 20.9%
18 and over 22,044 79.1%
65 and over 4,735 17.0%
Median age 38.4 years
Race & ethnicity
American Indian / Alaska Native
4.1%
Black or African American
3%
Group Count %
White 21,253 72.2%
Two or more races 2,458 8.3%
Hispanic or Latino 1,596 5.4%
Asian 1,477 5%
American Indian / Alaska Native 1,210 4.1%
Black or African American 885 3%
Other race 576 2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
48.7%
38.0%
39.4%
$50k – $100k
35.9%
34.0%
33.0%
$100k – $200k
13.6%
22.9%
22.4%
Over $200k
1.9%
5.1%
5.2%
Range % of households
Under $10k 5.0%
$10k–$15k 4.0%
$15k–$25k 8.2%
$25k–$35k 11.1%
$35k–$50k 12.6%
$50k–$75k 22.9%
$75k–$100k 14.8%
$100k–$150k 14.9%
$150k–$200k 4.2%
$200k+ 2.3%
Median income $57,061
Housing
Housing overview
Metric Value
Median home value $175,600
Median rent / month $872
Owner occupied 56.7%
Renter occupied 43.3%
Vacant 4.0%
Single-family detached 58.6%
Large apartment buildings 5.5%
Mobile homes 0.5%
Median rooms 5.1
Avg household size (owned) 2.41
Year built
Era %
2020 or later 0.3%
2010–2019 1.8%
2000–2009 3.4%
1990–1999 7.3%
1980–1989 11.7%
1970–1979 25.8%
1960–1969 18.6%
1950–1959 21.1%
1940–1949 4.0%
1939 or earlier 5.9%
Bedrooms
Size % of units
No bedroom (studio) 0.9%
1 bedroom 14.6%
2 bedrooms 29.1%
3 bedrooms 39.7%
4 bedrooms 14.2%
5+ bedrooms 1.4%
Vehicles per household
Vehicles % of households
No vehicle 5.7%
1 vehicle 42.9%
2 vehicles 38.2%
3 or more 13.2%
Heating fuel
Fuel type %
Utility gas 73.0%
Electricity 21.6%
Propane / LP gas 2.4%
Fuel oil 0.3%
Wood 0.2%
No fuel used 0.9%
Households & families
Household type Count %
Married-couple family 4,317 34.4%
Cohabiting couple 1,220 9.7%
Male householder, no spouse 3,235 25.8%
Female householder, no spouse 3,765 30.0%
Households with children under 18 3,256 26.0%
Households with seniors (65+) 3,340 26.6%
Average household size 2.20
Marital status
Status Male Female
Never married 42.9% 32.7%
Married 40.9% 39.5%
Separated 0.5% 1.4%
Widowed 3.5% 9.8%
Divorced 12.3% 16.6%
Education
Some college, no degree
19.8%
Graduate / professional
6.8%
Metric %
HS diploma or higher 92.0%
Bachelor's or higher 27.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 396 6.9%
Kindergarten 380 6.7%
Elementary school 2,477 43.4%
High school 1,262 22.1%
College / grad school 1,192 20.9%
Employment
Industry of employment
Education & healthcare
20.5%
Professional & management
9.0%
Arts, food & hospitality
8.5%
Finance & real estate
6.9%
Transportation & utilities
6.7%
Public administration
1.8%
Agriculture & mining
0.5%
Occupation
Category %
Management, business & arts 29.9%
Service 19.7%
Sales & office 22.6%
Natural resources & construction 8.7%
Production & transportation 19.1%
Employment type
Type %
Private sector 88.0%
Government 8.4%
Self-employed 3.6%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 78.5%
Carpool 7.9%
Public transit 0.7%
Walk 1.9%
Work from home 9.4%
Other means 1.6%
Avg commute (minutes) 17.9
Poverty
Married-couple families
4.5%
Female-led households
23.1%
Income support
Source % of households
Social Security 30.9%
Retirement income 21.1%
Supplemental Security 3.8%
Cash public assistance 2.3%
Food stamps / SNAP 10.5%
Health indicators
Condition %
Obesity 36.3%
High blood pressure 29.3%
High cholesterol 32.9%
Diabetes 9.3%
Heart disease 6.3%
Stroke 3.0%
Asthma 10.0%
Arthritis 23.5%
Kidney disease 2.9%
Pulmonary disease 6.4%
Cancer 6.9%
Behavior / access %
Smoking 18.6%
Binge drinking 24.1%
No physical activity 21.5%
Less than 7 hrs sleep 31.2%
Depression 21.1%
Fair or poor health 12.7%
Poor mental health 14.1%
Poor physical health 10.2%
No health insurance 11.2%
Visited doctor (checkup) 75.3%
Visited dentist 68.3%
Cholesterol screening 85.5%
Teeth loss 13.2%
Veterans & disability
Veterans Count %
Civilian veterans 1,665 7.6%
Disability %
Any disability 13.1%
Under 18 5.8%
18–64 years 12.3%
65 and over 25.6%
Health insurance coverage
Type %
Private insurance 68.0%
Public insurance 37.5%
No insurance 6.4%
Uninsured under 19 3.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 26,226 94.1%
Spanish 917 3.5%
Other Indo-European 483 1.8%
Asian & Pacific Islander 51 0.2%
Other languages 343 1.3%
Place of birth & citizenship
Origin Count %
Native born (US) 26,547 95.3%
Born in same state 26,032 93.4%
Born in different state 20,628 74.0%
Foreign born 515 1.8%
Naturalized citizen 1,312 4.7%
Not a US citizen 756 57.6%
Ancestry
Ancestry Count %
Italian 2,485 8.9%
French 1,549 5.6%
Polish 874 3.1%
Arab 767 2.8%
English 588 2.1%
Ancestry Count %
German 560 2%
Irish 221 0.8%
Dutch 204 0.7%
Norwegian 1 0%
Technology access
Metric % of households
Computer access 45.0%
Internet access 93.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 54304
What city is ZIP code 54304 in?
ZIP code 54304 is primarily assigned to Green Bay, Wisconsin.
What county is ZIP code 54304 in?
ZIP code 54304 falls within Brown County, Wisconsin.
What is the poverty rate in ZIP code 54304?
16% of residents in ZIP code 54304 live below the poverty line, above the national average.
What is the typical home value in ZIP code 54304?
The median home value in ZIP code 54304 is $175,600.
What is the population of ZIP code 54304?
ZIP code 54304 has an estimated population of 27,859 residents, with a density of 2,389 people per square mile.
What is the median household income in ZIP code 54304?
The median household income in ZIP code 54304 is $57,061, below the national median of ~$75,000.
What timezone is ZIP code 54304 in?
ZIP code 54304 observes the CST timezone.
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