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Wisconsin ZIP Codes
Crawford County
Mount Sterling, WI
54645
54645 ZIP Code — Mount Sterling, WI
Crawford County, Wisconsin
ZIP code 54645 is located in
Mount Sterling ,
Wisconsin ,
within Crawford County .
It covers approximately 0.69 square miles and serves a population of
117 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 608 .
54645 ZIP code map
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Cities in ZIP code 54645
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Demographics
updated 05/2026
Population
Total population
117
Population density
170 / sq mi
State FIPS
55
County FIPS
023
Geography
Land area
0.69 sq mi
Water area
0.00 sq mi
Latitude
43.3146
Longitude
-90.9291
Timezone
Central (CT)
Area code
608
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
65.6%
49.0%
39.4%
$50k – $100k
21.9%
33.4%
33.0%
$100k – $200k
12.5%
14.0%
22.4%
Over $200k
0.0%
3.7%
5.2%
Demographics & statistics
$45,556
Median household income
$112,500
Median home value
15.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 33 28.2%
18 and over 84 71.8%
65 and over 23 19.7%
Median age 35.7 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
65.6%
49.0%
39.4%
$50k – $100k
21.9%
33.4%
33.0%
$100k – $200k
12.5%
14.0%
22.4%
Over $200k
0.0%
3.7%
5.2%
Range % of households
$10k–$15k 24.1%
$15k–$25k 12.1%
$25k–$35k 8.6%
$35k–$50k 17.2%
$50k–$75k 15.5%
$75k–$100k 19.0%
$100k–$150k 1.7%
$150k–$200k 1.7%
Median income $45,556
Housing
Housing overview
Metric Value
Median home value $112,500
Median rent / month $625
Owner occupied 60.3%
Renter occupied 39.7%
Vacant 19.4%
Single-family detached 72.2%
Large apartment buildings 0.0%
Mobile homes 9.7%
Median rooms 6.0
Avg household size (owned) 2.26
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 9.7%
1980–1989 2.8%
1970–1979 20.8%
1960–1969 5.6%
1950–1959 9.7%
1940–1949 9.7%
1939 or earlier 41.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 16.7%
2 bedrooms 15.3%
3 bedrooms 41.7%
4 bedrooms 23.6%
5+ bedrooms 2.8%
Vehicles per household
Vehicles % of households
No vehicle 13.8%
1 vehicle 36.2%
2 vehicles 41.4%
3 or more 8.6%
Heating fuel
Fuel type %
Utility gas 48.3%
Electricity 13.8%
Propane / LP gas 25.9%
Fuel oil 12.1%
Households & families
Household type Count %
Married-couple family 24 41.4%
Cohabiting couple 10 17.2%
Male householder, no spouse 6 10.3%
Female householder, no spouse 18 31.0%
Households with children under 18 11 19.0%
Households with seniors (65+) 21 36.2%
Average household size 2.02
Marital status
Status Male Female
Never married 30.0% 54.9%
Married 55.0% 29.4%
Separated 0.0% 0.0%
Widowed 0.0% 5.9%
Divorced 15.0% 9.8%
Education
Some college, no degree
15.8%
Graduate / professional
5.3%
Metric %
HS diploma or higher 97.4%
Bachelor's or higher 15.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 5 18.5%
Kindergarten 0 0.0%
Elementary school 13 48.1%
High school 7 25.9%
College / grad school 2 7.4%
Employment
Industry of employment
Education & healthcare
19.1%
Public administration
10.6%
Agriculture & mining
4.3%
Occupation
Category %
Management, business & arts 25.5%
Service 10.6%
Sales & office 34.0%
Natural resources & construction 14.9%
Production & transportation 14.9%
Employment type
Type %
Private sector 83.0%
Government 17.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 57.4%
Carpool 25.5%
Public transit 0.0%
Walk 8.5%
Work from home 8.5%
Other means 0.0%
Avg commute (minutes) 17.9
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 39.7%
Retirement income 20.7%
Supplemental Security 8.6%
Cash public assistance 0.0%
Food stamps / SNAP 13.8%
Health indicators
Condition %
Obesity 35.6%
High blood pressure 32.5%
High cholesterol 35.6%
Diabetes 9.7%
Heart disease 6.3%
Stroke 3.0%
Asthma 10.0%
Arthritis 25.8%
Kidney disease 2.8%
Pulmonary disease 7.1%
Cancer 6.7%
Behavior / access %
Smoking 20.1%
Binge drinking 24.9%
No physical activity 20.9%
Less than 7 hrs sleep 31.1%
Depression 21.0%
Fair or poor health 13.1%
Poor mental health 13.8%
Poor physical health 10.9%
No health insurance 10.1%
Visited doctor (checkup) 73.3%
Visited dentist 67.2%
Cholesterol screening 87.9%
Teeth loss 12.4%
Veterans & disability
Veterans Count %
Civilian veterans 7 8.3%
Disability %
Any disability 12.8%
Under 18 0.0%
18–64 years 6.6%
65 and over 47.8%
Health insurance coverage
Type %
Private insurance 77.8%
Public insurance 38.5%
No insurance 5.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 113 96.6%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 117 100.0%
Born in same state 117 100.0%
Born in different state 88 75.2%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Polish 16 13.7%
Italian 14 12%
French 7 6%
Ancestry Count %
Dutch 3 2.6%
English 2 1.7%
Technology access
Metric % of households
Computer access 49.6%
Internet access 82.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 54645
What city is ZIP code 54645 in?
ZIP code 54645 is primarily assigned to Mount Sterling, Wisconsin.
What county is ZIP code 54645 in?
ZIP code 54645 falls within Crawford County, Wisconsin.
What is the poverty rate in ZIP code 54645?
20% of residents in ZIP code 54645 live below the poverty line, above the national average.
Does ZIP code 54645 have a large retiree population?
40% of households in ZIP code 54645 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 54645?
The median home value in ZIP code 54645 is $112,500.
What is the median household income in ZIP code 54645?
The median household income in ZIP code 54645 is $45,556, below the national median of ~$75,000.
What timezone is ZIP code 54645 in?
ZIP code 54645 observes the CST timezone.
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