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Wisconsin ZIP Codes
Grant County
Platteville, WI
53818
53818 ZIP Code — Platteville, WI
Grant County, Wisconsin
ZIP code 53818 is located in
Platteville ,
Wisconsin ,
within Grant County .
It covers approximately 154.38 square miles and serves a population of
15,712 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 608 .
About ZIP code 53818
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 $199,400. Owner-occupancy sits near the national average at 52%.
Median household income is $55,938. Poverty affects 22% of residents, above the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
53818 ZIP code map
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Cities in ZIP code 53818
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
15,712
Population density
102 / sq mi
State FIPS
55
County FIPS
043
Geography
Land area
154.38 sq mi
Water area
0.03 sq mi
Latitude
42.7422
Longitude
-90.4928
Timezone
Central (CT)
Area code
608
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.6%
45.4%
39.4%
$50k – $100k
31.8%
34.4%
33.0%
$100k – $200k
15.4%
17.7%
22.4%
Over $200k
2.2%
2.4%
5.2%
Demographics & statistics
$55,938
Median household income
$199,400
Median home value
38.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 2,669 17.0%
18 and over 13,043 83.0%
65 and over 1,978 12.6%
Median age 24.4 years
Race & ethnicity
Black or African American
3.3%
American Indian / Alaska Native
0.1%
Group Count %
White 14,428 90.7%
Black or African American 518 3.3%
Asian 366 2.3%
Two or more races 364 2.3%
Hispanic or Latino 196 1.2%
American Indian / Alaska Native 19 0.1%
Other race 17 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.6%
45.4%
39.4%
$50k – $100k
31.8%
34.4%
33.0%
$100k – $200k
15.4%
17.7%
22.4%
Over $200k
2.2%
2.4%
5.2%
Range % of households
Under $10k 6.5%
$10k–$15k 4.3%
$15k–$25k 7.4%
$25k–$35k 13.5%
$35k–$50k 12.9%
$50k–$75k 18.8%
$75k–$100k 12.3%
$100k–$150k 16.2%
$150k–$200k 4.2%
$200k+ 3.9%
Median income $55,938
Housing
Housing overview
Metric Value
Median home value $199,400
Median rent / month $878
Owner occupied 51.7%
Renter occupied 48.3%
Vacant 6.7%
Single-family detached 61.4%
Large apartment buildings 15.2%
Mobile homes 2.8%
Median rooms 5.6
Avg household size (owned) 2.50
Year built
Era %
2020 or later 1.2%
2010–2019 8.1%
2000–2009 12.3%
1990–1999 9.1%
1980–1989 6.6%
1970–1979 19.5%
1960–1969 10.7%
1950–1959 5.0%
1940–1949 5.1%
1939 or earlier 22.5%
Bedrooms
Size % of units
No bedroom (studio) 3.6%
1 bedroom 9.3%
2 bedrooms 30.1%
3 bedrooms 29.3%
4 bedrooms 22.0%
5+ bedrooms 5.7%
Vehicles per household
Vehicles % of households
No vehicle 6.9%
1 vehicle 36.5%
2 vehicles 34.3%
3 or more 22.3%
Heating fuel
Fuel type %
Utility gas 52.3%
Electricity 22.2%
Propane / LP gas 15.5%
Fuel oil 4.4%
Wood 3.7%
No fuel used 1.4%
Households & families
Household type Count %
Married-couple family 2,090 37.2%
Cohabiting couple 604 10.7%
Male householder, no spouse 1,245 22.2%
Female householder, no spouse 1,681 29.9%
Households with children under 18 1,356 24.1%
Households with seniors (65+) 1,361 24.2%
Average household size 2.37
Marital status
Status Male Female
Never married 66.3% 47.8%
Married 29.6% 34.4%
Separated 0.1% 0.9%
Widowed 1.2% 7.7%
Divorced 2.8% 9.2%
Education
Some college, no degree
20.2%
Graduate / professional
17.0%
Metric %
HS diploma or higher 92.4%
Bachelor's or higher 38.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 128 1.8%
Kindergarten 78 1.1%
Elementary school 1,120 15.7%
High school 775 10.8%
College / grad school 5,042 70.6%
Employment
Industry of employment
Education & healthcare
26.4%
Arts, food & hospitality
13.1%
Professional & management
6.0%
Agriculture & mining
5.4%
Finance & real estate
4.6%
Public administration
2.6%
Transportation & utilities
2.1%
Occupation
Category %
Management, business & arts 35.5%
Service 18.3%
Sales & office 19.4%
Natural resources & construction 8.9%
Production & transportation 17.9%
Employment type
Type %
Private sector 73.3%
Government 19.5%
Self-employed 6.7%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 70.8%
Carpool 4.4%
Public transit 0.7%
Walk 14.1%
Work from home 7.3%
Other means 2.8%
Avg commute (minutes) 17.4
Poverty
Married-couple families
4.4%
Female-led households
15.0%
Income support
Source % of households
Social Security 25.7%
Retirement income 18.4%
Supplemental Security 2.9%
Cash public assistance 0.9%
Food stamps / SNAP 8.6%
Health indicators
Condition %
Obesity 32.7%
High blood pressure 24.2%
High cholesterol 26.2%
Diabetes 6.8%
Heart disease 4.8%
Stroke 2.4%
Asthma 10.4%
Arthritis 17.9%
Kidney disease 2.4%
Pulmonary disease 5.4%
Cancer 4.7%
Behavior / access %
Smoking 16.1%
Binge drinking 28.6%
No physical activity 19.6%
Less than 7 hrs sleep 29.9%
Depression 21.5%
Fair or poor health 11.6%
Poor mental health 16.2%
Poor physical health 9.0%
No health insurance 10.6%
Visited doctor (checkup) 72.2%
Visited dentist 65.5%
Cholesterol screening 76.5%
Teeth loss 14.7%
Veterans & disability
Veterans Count %
Civilian veterans 490 3.8%
Disability %
Any disability 11.1%
Under 18 2.2%
18–64 years 9.7%
65 and over 31.7%
Health insurance coverage
Type %
Private insurance 76.4%
Public insurance 27.3%
No insurance 8.3%
Uninsured under 19 8.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 15,037 95.7%
Spanish 359 2.4%
Other Indo-European 76 0.5%
Asian & Pacific Islander 236 1.6%
Other languages 47 0.3%
Place of birth & citizenship
Origin Count %
Native born (US) 15,347 97.7%
Born in same state 15,281 97.3%
Born in different state 9,869 62.8%
Foreign born 66 0.4%
Naturalized citizen 365 2.3%
Not a US citizen 167 45.8%
Ancestry
Ancestry Count %
Italian 1,616 10.3%
French 1,466 9.3%
Polish 949 6%
English 559 3.6%
Arab 253 1.6%
Ancestry Count %
Dutch 116 0.7%
German 77 0.5%
Irish 58 0.4%
Norwegian 4 0%
Technology access
Metric % of households
Computer access 35.8%
Internet access 91.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 53818
What city is ZIP code 53818 in?
ZIP code 53818 is primarily assigned to Platteville, Wisconsin.
What county is ZIP code 53818 in?
ZIP code 53818 falls within Grant County, Wisconsin.
What is the poverty rate in ZIP code 53818?
22% of residents in ZIP code 53818 live below the poverty line, above the national average.
What is the population of ZIP code 53818?
ZIP code 53818 has an estimated population of 15,712 residents, with a density of 102 people per square mile.
What is the typical home value in ZIP code 53818?
The median home value in ZIP code 53818 is $199,400.
What is the median household income in ZIP code 53818?
The median household income in ZIP code 53818 is $55,938, below the national median of ~$75,000.
What timezone is ZIP code 53818 in?
ZIP code 53818 observes the CST timezone.
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