Residential delivery area · Wisconsin
ZIP Code 53057: Mount Calvary, WI
ZIP code 53057 uses the postal name Mount Calvary, Wisconsin and lies entirely in Fond du Lac County (Census 2020 ZIP-county file). About 1,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $105,909 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Mount Calvary; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mount Calvary · its only residential ZIP
- County
- Fond du Lac County
- Census places
- Mount Calvary
- Metro area
- Fond du Lac, WI
- House district
- WI-6 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 31.6 sq mi · 60 people per sq mi
Where is ZIP code 53057?
53057 centers on 43.795°, -88.237° and covers 31.6 square miles of land plus 0.5 of water. It borders 4 ZIP codes: 53079, 53049, 53019, 54937.
The map draws ZIP code areas only. For the streets inside 53057, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 53057 compare with the rest of Fond du Lac County?
| Measure | 53057 | In Fond du Lac County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 1,882 | 17th of 23 | 494th of 783 |
| Median household income | $106k | 3rd of 21 | 56th of 610 |
| Median home value | $238k | 15th of 21 | 314th of 612 |
Its median household income is higher than in 85% of U.S. residential ZIP codes, and it is denser than 45% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 53057?
The 2020 Census counted 1,552 people in 53057; the ACS, which samples households over 2020-2024, estimates 1,882. Between the 2010 and 2020 censuses its population fell 19.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,882±311 (90% margin)
- 2020 Census count
- 1,552−19.5% since 2010 (1,928)
- Households
- 738
- Median age
- 49.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 53057?
Of the 1,882 people the ACS estimates in 53057, 20.4% are under 18 and 30.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.2%).
- Under 1820.4%
- 18 to 6449.6%
- 65 and older30.1%
- White, not Hispanic97.2%
- Hispanic or Latino1.9%
- Other or two or more0.6%
- Black, not Hispanic0.3%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 53057 earn?
Median household income is $105,909 (ACS 2020-2024), the 3rd highest of the 21 ranked ZIP codes in Fond du Lac County. It is not measurably different from 2015-2019 ($87,597 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $105,909±$22,207
- Income per person
- $37,879
- Below the poverty line
- 6.9%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 18.8%
- Adjusted gross income per tax return, 2022
- $84,553790 returns; wages 68% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 53057?
FHFA's house price index for 53057, built from repeat sales and appraisals of the same homes, rose 96% from 2015 to 2025 and rose 66% from 2020 to 2025, and moved +15.1% in 2025.
- Median home value (owners' estimate)
- $238,200
- Median gross rent
- $682
- Homes owned by their occupants
- 96.3%
- Housing units
- 765
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 53057?
40 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction10
- Health care and social assistance9
- Administrative and support and waste management and remediation services4
- Other services (except public administration)4
- Manufacturing3
- Retail trade3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 53057?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53079 | Saint Cloud | 1,420 | $87k | 2.3 mi |
| 53049 | Malone | 2,298 | $93k | 6.8 mi |
| 53019 | Eden | 1,876 | $85k | 7.6 mi |
| 54937 | Fond Du Lac | 21,687 | $82k | 9.4 mi |
| 53023 | Glenbeulah | 1,293 | $87k | 6.6 mi (near) |
| 54935 | Fond Du Lac | 41,613 | $63k | 9.9 mi (near) |
| 53011 | Cascade | 2,176 | $91k | 11.8 mi (near) |
| 53061 | New Holstein | 5,144 | $66k | 11.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.