PlainZIP

Sister Bay, WI · standard

ZIP Code 54234

Door County, Wisconsin — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,614
26/sq mi
$74,583
Median income
$456,300
Median home value
52.3%
Bachelor's or higher

The verdict

Sister Bay pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 46%
household income, US ZIPs
Top 16%
home value, US ZIPs
26
people per sq mi
69%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 54234 against every reporting US ZIP.

ZIP code 54234 is classified by USPS as a standard delivery area and covers roughly 62.3 square miles in Sister Bay, Door County, Wisconsin. The area is home to 1,614 residents, producing a population density of 26 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 54234 against Wisconsin and the nation.

On the economic side, the median household income for ZIP 54234 sits at $74,583 (5% below the Wisconsin average), while per-capita income is $52,953. The poverty rate stands at 13.8% and the unemployment rate at 3.5%. On housing, the median home value is $456,300 (83% above the state average) with median rent at $1,328 per month, and 69.0% of occupied units are owner-occupied, a direct signal of whether 54234 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 52.3% of adults hold a bachelor's degree or higher, the median age is 60.3, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Door County, so you can benchmark 54234 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 54234

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 54234.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 54234, Sister Bay, WI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,614

Population

62.3

Area (sq mi)

26

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 54234?

60.3

Median Age

46.7%

Male

53.3%

Female

1.3%

Foreign-Born

White 96.6%
African American 0.0%
Asian 0.5%
American Indian or Alaska Native 1.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.9%
Hispanic or Latino 1.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$74,583

Median Household Income

-5% vs state

$52,953

Per Capita Income

13.8%

Poverty Rate

3.5%

Unemployment Rate

How ZIP 54234 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$74,583 Top 46% higher than 54% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 65.6%
Bachelor's Degree or Higher 52.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,380

Total Housing Units

1,121

Occupied Units

1,259

Vacant Units

1.87

Avg Household Size

Occupancy Type

Owner 69.0%
Renter 31.0%

$456,300

Median Home Value

+83% vs state

$1,328

Median Rent

1990

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+15.5%

YoY Change (2021)

159

HPI Index (2000 = 100)

+59%

Total Change Since 2000

Home values in ZIP 54234 have increased 15.5% over the past year (2021). Since 2000, this ZIP has seen +59% cumulative appreciation.

Year Annual Change HPI Index
2017 -3.9% 122
2018 +8.1% 132
2019 +4.3% 138
2020 +0.3% 138
2021 +15.5% 159

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2021. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 176 business establishments in ZIP 54234, employing approximately 1,060 people with a combined annual payroll of $53,602,000.

176

Businesses

1,060

Employees

$53.6M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 46 26.1%
Retail trade 34 19.3%
Construction 17 9.7%
Administrative and support and waste management and remediation services 12 6.8%
Other services (except public administration) 12 6.8%
Health care and social assistance 9 5.1%
Manufacturing 8 4.5%
Real estate and rental and leasing 8 4.5%
Transportation and warehousing 6 3.4%
Finance and insurance 6 3.4%
Professional, scientific, and technical services 6 3.4%
Arts, entertainment, and recreation 4 2.3%
Wholesale trade 3 1.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 54234 vs 54211 →

ZIP 54234 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 54234 ranks the most populous — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 54234 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 54234 ranks #4 of 5 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
54211 Ephraim, WI 277 4.0 mi
54210 Ellison Bay, WI 897 5.6 mi
54202 Baileys Harbor, WI 1,240 7.6 mi
54212 Fish Creek, WI 997 7.9 mi

More ZIP Codes in Door County

54235 standard
Sturgeon Bay, WI
Pop: 17,203
54204 standard
Brussels, WI
Pop: 1,819
54213 standard
Forestville, WI
Pop: 1,276
54202 standard
Baileys Harbor, WI
Pop: 1,240
54209 standard
Egg Harbor, WI
Pop: 1,195
54212 standard
Fish Creek, WI
Pop: 997

Related Areas

Door County Sister Bay, WI Wisconsin

Frequently Asked Questions

What county is ZIP code 54234 in? ▼
ZIP code 54234 (Sister Bay) is located in Door County, Wisconsin. Door County contains multiple ZIP codes, see the full list at /counties/door-wi.
What is the population of ZIP code 54234? ▼
ZIP code 54234 in Sister Bay, WI has a population of 1,614 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 54234? ▼
The median household income in ZIP 54234 is $74,583, which is 2% below the national average of $76,288.
What is the average home value in ZIP 54234? ▼
The median home value in ZIP 54234 is $456,300, which is 64% above the national average of $278,155.
What is the demographic makeup of ZIP 54234? ▼
The largest racial group in ZIP 54234 is White at 96.6%. Hispanic or Latino residents make up 1.9% of the population.
How many businesses are in ZIP code 54234? ▼
ZIP code 54234 has 176 business establishments employing approximately 1,060 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 54234? ▼
The top industries by establishment count in ZIP 54234 are: Accommodation and food services (46), Retail trade (34), Construction (17). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 54234? ▼
According to the FHFA House Price Index, home values in ZIP 54234 increased by 15.5% in 2021. Since 2000, home values in this ZIP have appreciated by approximately 59%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 54234? ▼
In ZIP code 54234, 65.6% of residents aged 25+ have a high school diploma or higher, and 52.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 54234? ▼
In ZIP code 54234, approximately 69.0% of occupied housing units are owner-occupied and 31.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 54234? ▼
The poverty rate in ZIP code 54234 is 13.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Sister Bay, WI

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.