Berlin, WI · standard
ZIP Code 54923
Green Lake County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,733
- 25/sq mi Moderate-density area
- $66,223
- Median income Near-median income area
- $189,300
- Median home value Near-median home value
- 19.2%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Berlin pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 40th pct
- household income, US ZIPs
- 41st pct
- home value, US ZIPs
- 25
- people per sq mi
- 69%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 54923 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 54923 (Berlin, WI) rose +13.5% from 2023 to 2024. The all-transactions index moved from 193.2 in 2023 to 219.2 in 2024 (2000 = 100).
ZIP code 54923 is a mid-sized community (a standard USPS delivery area) in Berlin, Green Lake County, Wisconsin, home to 8,733 residents across 350.7 square miles, a density of 25 people per square mile, in the Chicago time zone.
ZIP 54923 reports a modest median household income of $66,223 (15% below the average Wisconsin ZIP), while per-capita income is $36,385. The poverty rate is 11.4%, with unemployment at 1.9%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $189,300 (24% below the average Wisconsin ZIP), and median rent is $835; owner occupancy is 68.7%.
Educational attainment sits below the national norm: 19.2% of adults hold a bachelor's degree or higher, the median age is 43.9, and the average commute is 24 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Green Lake County, so 54923 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 54923
Top 5 sectors by establishment count in Berlin, WI
Which industries have the most business establishments in ZIP 54923.
- Health care and social assistance
Health care and social assistance
30 establishments
- Retail trade
Retail trade
25 establishments
- Other services (except public administration)
Other services (except public administration)
24 establishments
- Accommodation and food services
Accommodation and food services
21 establishments
- Manufacturing
Manufacturing
20 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 54923, Berlin, 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
8,733
Population
350.7
Area (sq mi)
25
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 54923?
43.9
Median Age
51.4%
Male
48.6%
Female
1.9%
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?
$66,223
Median Household Income
-15% vs state ZIP avg
$36,385
Per Capita Income
11.4%
Poverty Rate
1.9%
Unemployment Rate
23.5 min
Mean Commute Time
How ZIP 54923 ranks among Wisconsin ZIPs
Berlin, 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)
$66,223 27th percentile higher than 27% 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
4,162housing units
4,162
Total Housing Units
3,795
Occupied Units
367
Vacant Units
2.30
Avg Household Size
Occupancy Type
$189,300
Median Home Value
-24% vs state ZIP avg
$835
Median Rent
1971
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
+13.5%
YoY Change (2024)
219
HPI Index (2000 = 100)
+119%
Total Change Since 2000
Home values in ZIP 54923 have increased 13.5% over the past year (2024). Since 2000, this ZIP has seen +119% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.6% | 135 |
| 2021 | +9.2% | 147 |
| 2022 | +10.3% | 162 |
| 2023 | +19.0% | 193 |
| 2024 | +13.5% | 219 |
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 202 business establishments in ZIP 54923, employing approximately 3,166 people with a combined annual payroll of $198,384,000.
202
Businesses
3,166
Employees
$198.4M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 30 | 14.8% |
| Retail trade | 25 | 12.4% |
| Other services (except public administration) | 24 | 11.9% |
| Accommodation and food services | 21 | 10.4% |
| Manufacturing | 20 | 9.9% |
| Construction | 18 | 8.9% |
| Professional, scientific, and technical services | 11 | 5.5% |
| Transportation and warehousing | 10 | 5.0% |
| Administrative and support and waste management and remediation services | 9 | 4.5% |
| Finance and insurance | 8 | 4.0% |
| Wholesale trade | 7 | 3.5% |
| Information | 7 | 3.5% |
| Arts, entertainment, and recreation | 4 | 2.0% |
| Real estate and rental and leasing | 3 | 1.5% |
| Management of companies and enterprises | 3 | 1.5% |
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 54923 vs 54967 →
ZIP 54923 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 54971
Ripon (54971)
10,827 residents
- 54923
Berlin (54923)
8,733 residents
- 54970 3,902
Redgranite (54970)
3,902 residents
- 54967 434
Poy Sippi (54967)
434 residents
What this shows Among its immediate neighbors, ZIP 54923 ranks #2 by population - useful context the national average alone can't give.
ZIP 54923 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 54971
Ripon (54971)
$66,699 median income
- 54923
Berlin (54923)
$66,223 median income
- 54970
Redgranite (54970)
$64,309 median income
- 54967
Poy Sippi (54967)
$51,555 median income
What this shows By household income, ZIP 54923 ranks #2 of 4 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 54923, 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 (8,733 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Green Lake County
Related Areas
Frequently Asked Questions
What county is ZIP code 54923 in?
ZIP code 54923 (Berlin) is located in Green Lake County, Wisconsin. Green Lake County contains multiple ZIP codes, see the full list at /counties/green-lake-wi.
What is the population of ZIP code 54923?
ZIP code 54923 in Berlin, WI has a population of 8,733 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 54923?
The median household income in ZIP 54923 is $66,223, which is 13% below the national average of $76,288.
What is the average home value in ZIP 54923?
The median home value in ZIP 54923 is $189,300, which is 32% below the national average of $278,155.
What is the demographic makeup of ZIP 54923?
The largest racial group in ZIP 54923 is White at 88.4%. Hispanic or Latino residents make up 8.4% of the population.
How many businesses are in ZIP code 54923?
ZIP code 54923 has 202 business establishments employing approximately 3,166 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 54923?
The top industries by establishment count in ZIP 54923 are: Health care and social assistance (30), Retail trade (25), Other services (except public administration) (24). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 54923?
According to the FHFA House Price Index, home values in ZIP 54923 increased by 13.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 119%. 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 54923?
In ZIP code 54923, 58.5% of residents aged 25+ have a high school diploma or higher, and 19.2% 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 54923?
The mean commute time for workers in ZIP code 54923 is 23.5 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 54923?
In ZIP code 54923, approximately 68.7% of occupied housing units are owner-occupied and 31.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 54923?
The poverty rate in ZIP code 54923 is 11.4% 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 54923's numbers, next.
- See how ZIP 54923 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Berlin, WI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.