County

Jefferson County, WI

10 ZIP codes  ·  10 cities  ·  Wisconsin

👥76,790Population
💰$81,974Median HH Income≈ Avg
🎂42.5Median Age
🏠$257,592Median Home Value▼ 8% below avg
🎓39.4%College Grads≈ Avg
📊3.1%Unemployment▼ 37% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.2% Female 49.8% ♀

Race & Ethnicity

White: 87.3%Hispanic: 8.9%Black: 0.7%Asian: 0.6%Other: 2.4%Race
White87.3%
Hispanic8.9%
Black0.7%
Asian0.6%
Other2.4%

Age Breakdown

Under 5
5%
5–17
16%
18–24
8%
25–44
24%
45–64
28%
65+
9%

Key Indicators

Median Age42.5 yrs
Avg HH Size2.43
Below Poverty7.9% ▼ 21% below avg
College Grads39.4% ≈ Avg
Unemployment3.1% ▼ 37% below avg
No HS Diploma827 (1.6%)
HS Graduate16,658 (32%)
Some College6,458 (12.4%)
Associates7,550 (14.5%)
Bachelors5,963 (11.5%)
Graduate Degree14,616 (28.1%)

Education

No HS: 1.6%HS Grad: 32%Some College: 12.4%Associates: 14.5%Bachelors: 11.5%Graduate: 28.1%Edu
No HS1.6%
HS Grad32.0%
Some College12.4%
Associates14.5%
Bachelors11.5%
Graduate28.1%
Housing & Income

Housing Tenure

Owner: 73.6%Renter: 26.4%Tenure
Owner73.6%
Renter26.4%

Home Value Distribution

Under $50k
4%
$50k–$100k
2%
$100k–$150k
7%
$150k–$200k
18%
$200k–$300k
31%
$300k–$500k
27%
Over $500k
10%

Financials

Median HH Income$81,974 ≈ Avg
Median Home Value$257,592 ▼ 8% below avg
Home/Income Ratio3.1x (nat avg ~3.5x)
Median Rent$1,016/mo
Total Housing Units33,083
Vacant Units1,958

Income Distribution

Under $25k
11%
$25k–$50k
12%
$50k–$75k
19%
$75k–$100k
15%
$100k–$150k
23%
$150k–$200k
12%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
0%
Walked
3%
Work From Home
10%

Commute Time

Under 15 min
35%
15–30 min
25%
30–45 min
22%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
11%
1960s–1970s
10%
1980s–1990s
16%
2000+
62%
About Jefferson County, WI

Jefferson County is located in Wisconsin and encompasses 10 ZIP codes spanning 10 cities and communities. The county has an estimated population of 76,790 residents. With a median age of 42.45, it is a middle-aged county.

Jefferson County has a middle-income economic profile. The median household income of $81,973 is near the national average. Unemployment stands at 3.1%, below the national average. The poverty rate of 7.9% is well below the national average.

Housing in Jefferson County is a mid-range housing market, with a median home value of $257,592 — near the national average. Monthly median rent is approximately $1,016. Homeownership rates are high at 73.6%, reflecting a largely residential, stable population.

The residents of Jefferson County are primarily White (87.26%). Educational attainment is moderately educated — 39.4% of adults hold a bachelor's degree or higher, near the national average.

Jefferson County, WI is a middle-income area in Wisconsin. The 10 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Jefferson County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
53538 Fort Atkinson 18,604 $80,784 $228,200 $967 3.3% 38.5%
53137 Helenville 1,605 $111,346 $328,900 0.6% 44.6%
53036 Ixonia 3,483 $94,231 $347,100 $1,151 1.9% 52.6%
53549 Jefferson 9,901 $78,058 $247,200 $1,035 3.6% 36.0%
53038 Johnson Creek 4,319 $93,333 $298,700 $1,147 1.8% 45.1%
53551 Lake Mills 9,485 $89,841 $322,700 $1,089 0.6% 53.7%
53156 Palmyra 3,314 $83,413 $235,700 $768 2.1% 30.5%
53178 Sullivan 2,741 $94,522 $337,800 $847 2.1% 35.7%
53594 Waterloo 5,187 $80,000 $236,900 $990 0.9% 30.9%
53094 Watertown 18,151 $71,973 $223,900 $1,039 5.6% 35.1%