Williams Bay, WI · standard
ZIP Code 53191
Walworth County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,842
- 283/sq mi High-density area
- $75,833
- Median income Near-median income area
- $414,600
- Median home value Above-median home value
- 48.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Williams Bay pairs an above-median household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 44%
- household income, US ZIPs
- Top 19%
- home value, US ZIPs
- 283
- people per sq mi
- 80%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 53191 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 53191 (Williams Bay, WI) rose +13.1% from 2023 to 2024. The all-transactions index moved from 256.4 in 2023 to 290.1 in 2024 (2000 = 100).
ZIP code 53191 covers 10.0 square miles in Williams Bay, Walworth County, Wisconsin (a standard USPS delivery area), with a modest 2,842 residents on file, a density of 283 people per square mile, in the Chicago time zone.
ZIP 53191 lands in the middle-income range, with a median household income of $75,833 (3% below the average Wisconsin ZIP), while per-capita income is $51,438. The poverty rate is 8.3%, with unemployment at 2.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $414,600 (67% above the average Wisconsin ZIP), while 80.4% of occupied homes are owner-occupied and median rent is $900.
A solid share of residents have a four-year degree: 48.0% of adults hold a bachelor's degree or higher, the median age is 48.6, and the average commute is 26 minutes. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Walworth County, so 53191 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 53191
Top 5 sectors by establishment count in Williams Bay, WI
Which industries have the most business establishments in ZIP 53191.
- Other services (except public administration)
Other services (except public administration)
14 establishments
- Construction
Construction
12 establishments
- Accommodation and food services
Accommodation and food services
10 establishments
- Health care and social assistance
Health care and social assistance
8 establishments
- Professional, scientific, and technical services 5
Professional, scientific, and technical services
5 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 53191, Williams Bay, WI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
2,842
Population
10.0
Area (sq mi)
283
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 53191?
48.6
Median Age
49.9%
Male
50.1%
Female
1.7%
Foreign-Born
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?
$75,833
Median Household Income
-3% vs state ZIP avg
$51,438
Per Capita Income
8.3%
Poverty Rate
2.2%
Unemployment Rate
26.0 min
Mean Commute Time
How ZIP 53191 ranks among Wisconsin ZIPs
Williams Bay, WI household income vs. every Wisconsin ZIP code
Median household income among 755 reporting Wisconsin ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$75,833 Top 48% higher than 52% of 755 Wisconsin ZIPs
Each bar is a $20K-wide band; taller bars hold more Wisconsin 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,414housing units
2,414
Total Housing Units
1,378
Occupied Units
1,036
Vacant Units
2.33
Avg Household Size
Occupancy Type
$414,600
Median Home Value
+67% vs state ZIP avg
$900
Median Rent
1977
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
+13.1%
YoY Change (2024)
290
HPI Index (2000 = 100)
+190%
Total Change Since 2000
Home values in ZIP 53191 have increased 13.1% over the past year (2024). Since 2000, this ZIP has seen +190% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.5% | 179 |
| 2021 | +12.8% | 201 |
| 2022 | +23.0% | 248 |
| 2023 | +3.5% | 256 |
| 2024 | +13.1% | 290 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 75 business establishments in ZIP 53191, employing approximately 666 people with a combined annual payroll of $28,173,000.
75
Businesses
666
Employees
$28.2M
Annual Payroll
10
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 14 | 18.7% |
| Construction | 12 | 16.0% |
| Accommodation and food services | 10 | 13.3% |
| Health care and social assistance | 8 | 10.7% |
| Professional, scientific, and technical services | 5 | 6.7% |
| Retail trade | 4 | 5.3% |
| Finance and insurance | 4 | 5.3% |
| Real estate and rental and leasing | 3 | 4.0% |
| Administrative and support and waste management and remediation services | 3 | 4.0% |
| Arts, entertainment, and recreation | 3 | 4.0% |
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 53191 vs 53125 →
ZIP 53191 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53121
Elkhorn (53121)
19,045 residents
- 53147
Lake Geneva (53147)
16,457 residents
- 53115
Delavan (53115)
15,788 residents
- 53184 4,271
Walworth (53184)
4,271 residents
- 53191 2,842
Williams Bay (53191)
2,842 residents
- 60034 2,040
Hebron (60034)
2,040 residents
- 53125 1,895
Fontana (53125)
1,895 residents
- 53195 114
Zenda (53195)
114 residents
What this shows Among its immediate neighbors, ZIP 53191 ranks #5 by population - useful context the national average alone can't give.
ZIP 53191 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53125
Fontana (53125)
$112,500 median income
- 53195
Zenda (53195)
$95,833 median income
- 60034
Hebron (60034)
$87,188 median income
- 53121
Elkhorn (53121)
$85,643 median income
- 53184
Walworth (53184)
$84,413 median income
- 53147
Lake Geneva (53147)
$83,566 median income
- 53191
Williams Bay (53191)
$75,833 median income
- 53115
Delavan (53115)
$72,304 median income
What this shows By household income, ZIP 53191 ranks #7 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 53191, both outside WI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,842 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Walworth County
Related Areas
Frequently Asked Questions
What county is ZIP code 53191 in?
ZIP code 53191 (Williams Bay) is located in Walworth County, Wisconsin. Walworth County contains multiple ZIP codes, see the full list at /counties/walworth-wi.
What is the population of ZIP code 53191?
ZIP code 53191 in Williams Bay, WI has a population of 2,842 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 53191?
The median household income in ZIP 53191 is $75,833, which is 1% below the national average of $76,288.
What is the average home value in ZIP 53191?
The median home value in ZIP 53191 is $414,600, which is 49% above the national average of $278,155.
What is the demographic makeup of ZIP 53191?
The largest racial group in ZIP 53191 is White at 91.9%. Hispanic or Latino residents make up 4.9% of the population.
How many businesses are in ZIP code 53191?
ZIP code 53191 has 75 business establishments employing approximately 666 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 53191?
The top industries by establishment count in ZIP 53191 are: Other services (except public administration) (14), Construction (12), Accommodation and food services (10). There are 10 industry sectors represented in total.
How have home values changed in ZIP code 53191?
According to the FHFA House Price Index, home values in ZIP 53191 increased by 13.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 190%. 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 53191?
In ZIP code 53191, 69.6% of residents aged 25+ have a high school diploma or higher, and 48.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 53191?
The mean commute time for workers in ZIP code 53191 is 26.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 53191?
In ZIP code 53191, approximately 80.4% of occupied housing units are owner-occupied and 19.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 53191?
The poverty rate in ZIP code 53191 is 8.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 53191's numbers, next.
- See how ZIP 53191 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Williams Bay, WI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.