US ZIP Code
54234

Sister Bay, WI

Door County  ·  Wisconsin

● Active
👥 2,130 Population ↑ 30% since 2019
💰 $72,762 Median HH Income
≈ Avg ↑ 27% since 2019
🎂 59.4 Median Age ↓ 6% since 2019
🏠 $419,600 Median Home Value
▲ 51% above avg ↑ 29% since 2019
🎓 59.0% College Grads
▲ 52% above avg
📊 4.3% Unemployment
▼ 13% below avg ↓ 28% since 2019
ZIP Code Details
ZIP Code54234
CitySister Bay
StateWisconsin (WI)
CountyDoor County
Area Code274/920
Elevation632 ft
Latitude45.181963
Longitude-87.10151
TimezoneChicago (DST)
FIPS55029
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.0% (1,023) Female 52.0% (1,107) ♀

Race & Ethnicity

White: 97.6%Hispanic: 1.4%Other: 1%Race
White97.6%
Hispanic1.4%
Other1.0%

Age Breakdown

Under 5
7%
5–17
8%
18–24
3%
25–44
18%
45–64
24%
65+
23%

Key Indicators

Median Age59.4 yrs ↓ 6% since 2019
Avg Household Size1.89
Below Poverty15.2% ▲ 52% above avg
College Grads59.0% ▲ 52% above avg
Unemployment4.3% ▼ 13% below avg
No HS Diploma3 (0.2%)
HS Graduate265 (15.5%)
Some College140 (8.2%)
Associates294 (17.2%)
Bachelors158 (9.2%)
Graduate Degree854 (49.8%)

Education

No HS: 0.2%HS Grad: 15.5%Some College: 8.2%Associates: 17.2%Bachelors: 9.2%Graduate: 49.8%Edu
No HS0.2%
HS Grad15.5%
Some College8.2%
Associates17.2%
Bachelors9.2%
Graduate49.8%
Housing & Income

Housing Tenure

Owner: 68%Renter: 32%Tenure
Owner68.0%
Renter32.0%

Home Value Distribution

Under $50k
1%
$100k–150k
1%
$150k–200k
6%
$200k–300k
24%
$300k–500k
29%
Over $500k
39%

Financials

Median HH Income$72,762 ≈ Avg ↑ 27% since 2019
Median Home Value$419,600 ▲ 51% above avg ↑ 29% since 2019
Home/Income Ratio5.8x (nat avg ~3.5x)
Median Rent$1,140/mo ↑ 28% since 2019
Total Units2,350
Vacant Units1,253
Avg HH Size1.89

Income Distribution

Under $25k
16%
$25k–50k
16%
$50k–75k
21%
$75k–100k
13%
$100k–150k
20%
$150k–200k
5%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
77%
Walked
6%
Work From Home
18%

Commute Time

Under 15 min
60%
15–30 min
28%
30–45 min
7%
Over 45 min
5%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
6%
1960s–1970s
15%
1980s–1990s
19%
2000+
58%

Summary

Total Units2,350
Vacant1,253
Owner Occupied68.0%
Renter Occupied32.0%
Avg HH Size1.89
Frequently Asked Questions
ZIP code 54234 is in Sister Bay, WI, in Door County.
ZIP code 54234 is located in Wisconsin (WI).
ZIP code 54234 is in Door County, WI.
ZIP 54234 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 54234 is 2,130 people (ACS 2023).
The median household income in ZIP code 54234 is $72,762 (ACS 2023).
The median home value in ZIP 54234 is $419,600 (ACS 2023).
About ZIP Code 54234

ZIP code 54234 is located in Sister Bay, Wisconsin, within Door County. With a population of 2,130, this is a sparsely populated ZIP code with an older community — the median age is 59.4 years. Economically, 54234 is a solidly middle-class ZIP code: the median household income of $72,762 is near the national average.

Real estate in ZIP code 54234 represents a premium housing market. The median home value of $419,600 is significantly above the national average. Renters can expect to pay around $1,140 per month in median rent. Homeownership is strong here — 68.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 54234 is primarily White (97.61%). Residents are well-educated — 59.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects some residents at 15.2%. Household income has grown by 27% since 2019.

The unemployment rate in 54234 stands at 4.3%, which is near the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 54234 in Sister Bay, WI is characterized as solidly middle-class, well-educated, an older community, and predominantly owner-occupied. With 2,130 residents, a median household income of $72,762, and a median home value of $419,600, it offers a clear picture of life in this part of Wisconsin.