Sullivan ZIP Codes — Jefferson County, WI

There is one unique ZIP code in Sullivan, Wisconsin and it is 53178. Area code: 262.

ZIP codes

31.86

sq mi land

1.05

sq mi water

262

area code

Sullivan, WI ZIP code map

About Sullivan, WI

Sullivan, Wisconsin, is a charming small town located in the heart of Jefferson County. Known for its close-knit community, Sullivan offers residents a peaceful environment while being conveniently situated near larger urban areas. The town has a unique blend of rural charm and accessibility, making it a great place for families and individuals alike.

Location & geography

Sullivan is positioned in southeastern Wisconsin, offering easy access to nearby cities such as Jefferson, which is about 10 miles to the northwest, and Oconomowoc, approximately 12 miles to the east. The town covers a land area of 31.86 square miles, complemented by a water area of 1.05 square miles, showcasing the natural beauty of the region. The terrain is primarily flat, with scenic views of the surrounding countryside and local waterways enhancing its attractiveness.

Community & economy

The character of Sullivan reflects a friendly, community-oriented atmosphere where residents enjoy various local events and gatherings. The town's economy benefits from local businesses and industries that provide essential services and job opportunities, contributing to Sullivan's unique charm. Daily life in Sullivan revolves around community involvement, outdoor activities, and celebrating local traditions.

Transportation

Access to Sullivan is facilitated by major highways, including Interstate 94, which is just a short drive away and connects the town to larger cities like Milwaukee and Madison. The nearest named airport is the General Mitchell International Airport, located approximately 40 miles to the southeast. Public transportation options are limited, making personal vehicles the primary means of transit for residents and visitors.

History

Sullivan was founded in the early 19th century, with growth driven by agriculture and local industries that supported the community's development. Dairy farming has historically been a cornerstone of the local economy, reflecting Wisconsin's reputation as 'America's Dairyland.' The town has grown steadily, maintaining its rural character while adapting to modern changes in industry and lifestyle.

Did you know?

A surprising fact about Sullivan is that despite its small size, the community hosts annual events that draw participation from neighboring towns, showcasing local crafts and produce. Additionally, the town is known for its picturesque landscapes, making it a hidden gem for outdoor enthusiasts.

ZIP codes for Sullivan, WI (1)

ZIP code	City	County	Map
53178	Sullivan	Jefferson	View map

Demographics & statistics

2,749

Population

49.0

Median age

$87,625

Median household income

$43,369

Per capita income

$304,700

Median home value

$892

Median monthly rent

71.9%

Home ownership

6.3%

Poverty rate

4.2%

Unemployment

833

Housing units

24.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

137

25–34

126

218

35–44

200

186

45–54

170

139

55–59

127

119

60–64

108

241

65–74

221

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	463	16.8%
18 and over	2,286	83.2%
65 and over	620	22.6%
Median age	49.0 years

Race & ethnicity

White 97.4%

Two or more races 1.7%

Asian 0.4%

Hispanic or Latino 0.4%

American Indian / Alaska Native 0.1%

Other race 0.1%

Group	Count	%
White	2,686	97.4%
Two or more races	48	1.7%
Asian	11	0.4%
Hispanic or Latino	10	0.4%
American Indian / Alaska Native	2	0.1%
Other race	2	0.1%

Household income

Under $10k 0.9%

$10k–$15k 3.8%

$15k–$25k 5.6%

$25k–$35k 5.2%

$35k–$50k 9.6%

$50k–$75k 16.2%

$75k–$100k 17.0%

$100k–$150k 26.0%

$150k–$200k 9.1%

$200k+ 6.5%

Range	% of households
Under $10k	0.9%
$10k–$15k	3.8%
$15k–$25k	5.6%
$25k–$35k	5.2%
$35k–$50k	9.6%
$50k–$75k	16.2%
$75k–$100k	17.0%
$100k–$150k	26.0%
$150k–$200k	9.1%
$200k+	6.5%
Median income	$87,625

Housing

Home values

Under $50k 9.0%

$50k–$100k 6.2%

$100k–$150k 2.2%

$150k–$200k 9.0%

$200k–$300k 22.7%

$300k–$500k 32.0%

$500k–$1M 17.7%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$304,700
Median rent / month	$892
Owner occupied	71.9%
Renter occupied	28.1%
Vacant	4.7%
Single-family detached	74.7%
Large apartment buildings	1.8%
Mobile homes	9.7%
Median rooms	6.0
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	0.0%
2010–2019	5.8%
2000–2009	8.1%
1990–1999	15.5%
1980–1989	8.3%
1970–1979	22.2%
1960–1969	6.3%
1950–1959	6.2%
1940–1949	2.1%
1939 or earlier	25.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	12.7%
2 bedrooms	24.5%
3 bedrooms	48.5%
4 bedrooms	11.9%
5+ bedrooms	1.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.5%
1 vehicle	19.4%
2 vehicles	42.2%
3 or more	38.0%

Heating fuel

Fuel type	%
Utility gas	46.4%
Electricity	19.5%
Propane / LP gas	14.2%
Fuel oil	5.5%
Wood	11.8%

Households & families

Household type	Count	%
Married-couple family	581	53.6%
Cohabiting couple	149	13.7%
Male householder, no spouse	232	21.4%
Female householder, no spouse	122	11.3%
Households with children under 18	226	20.8%
Households with seniors (65+)	431	39.8%
Average household size	2.54

Marital status

Status	Male	Female
Never married	30.1%	24.8%
Married	51.7%	54.7%
Separated	0.5%	0.7%
Widowed	7.5%	5.8%
Divorced	10.1%	14.0%

Education

Less than 9th grade 1.0%

Some HS, no diploma 5.4%

HS graduate 37.6%

Some college, no degree 20.0%

Associate's degree 12.0%

Bachelor's degree 18.5%

Graduate / professional 5.7%

Metric	%
HS diploma or higher	93.6%
Bachelor's or higher	24.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	2.9%
Kindergarten	30	6.6%
Elementary school	212	46.5%
High school	128	28.1%
College / grad school	73	16.0%

Employment

Industry of employment

Manufacturing 25.1%

Education & healthcare 18.8%

Retail trade 16.4%

Professional & management 9.4%

Construction 8.4%

Other services 6.5%

Transportation & utilities 3.8%

Arts, food & hospitality 3.2%

Finance & real estate 3.0%

Wholesale trade 2.0%

Public administration 1.8%

Information 0.8%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	28.5%
Service	13.1%
Sales & office	21.1%
Natural resources & construction	15.3%
Production & transportation	22.0%

Employment type

Type	%
Private sector	86.2%
Government	7.6%
Self-employed	5.4%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	84.6%
Carpool	6.2%
Public transit	0.0%
Walk	2.2%
Other means	0.6%
Avg commute (minutes)	28.2

Poverty

All people 6.3%

Under 18 years 9.8%

18 and over 5.6%

Married-couple families 2.8%

Female-led households 15.1%

Income support

Source	% of households
Social Security	42.0%
Retirement income	27.7%
Supplemental Security	3.3%
Cash public assistance	1.0%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
High blood pressure	30.6%
High cholesterol	32.8%
Heart disease	6.0%
Stroke	2.8%
Asthma	9.6%
Arthritis	25.2%
Kidney disease	2.7%
Pulmonary disease	6.1%
Cancer	7.0%

Behavior / access	%
Binge drinking	25.6%
No physical activity	19.9%
Less than 7 hrs sleep	32.1%
Fair or poor health	11.5%
Poor mental health	13.1%
Poor physical health	9.6%
No health insurance	9.7%
Visited doctor (checkup)	72.7%
Visited dentist	69.0%
Cholesterol screening	88.4%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	128	5.6%

Disability	%
Any disability	18.7%
Under 18	3.7%
18–64 years	15.1%
65 and over	39.5%

Health insurance coverage

Type	%
Private insurance	78.2%
Public insurance	34.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,664	96.9%
Spanish	5	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	5	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,723	99.1%
Born in same state	2,719	98.9%
Born in different state	2,277	82.8%
Foreign born	4	0.1%
Naturalized citizen	26	0.9%
Not a US citizen	11	42.3%

Ancestry

Ancestry	Count	%
Italian	335	12.2%
French	195	7.1%
Polish	139	5.1%
Arab	108	3.9%

Ancestry	Count	%
German	22	0.8%
Dutch	15	0.5%
English	11	0.4%
Irish	8	0.3%

Technology access

Metric	% of households
Computer access	39.4%
Internet access	96.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Sullivan, WI have?

Sullivan, WI has one ZIP code: 53178. Each ZIP code serves a distinct delivery area within the city and surrounding region.