Residential delivery area · Wisconsin
ZIP Code 53070: Oostburg, WI
ZIP code 53070 uses the postal name Oostburg, Wisconsin and lies entirely in Sheboygan County (Census 2020 ZIP-county file). About 5,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $91,557 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Oostburg (7%) and Gibbsville (2%); 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Oostburg · its only residential ZIP
- County
- Sheboygan County
- Census places
- Oostburg (7%); Gibbsville (2%) census-designated place
- Metro area
- Sheboygan, WI
- House district
- WI-6 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 29.5 sq mi · 168 people per sq mi
Where is ZIP code 53070?
53070 centers on 43.621°, -87.807° and covers 29.5 square miles of land plus 2.7 of water. It borders 4 ZIP codes: 53013, 53093, 53081, 53085.
The map draws ZIP code areas only. For the streets inside 53070, 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 53070 compare with the rest of Sheboygan County?
| Measure | 53070 | In Sheboygan County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 4,951 | 6th of 17 | 274th of 783 |
| Median household income | $92k | 6th of 16 | 148th of 610 |
| Median home value | $282k | 5th of 16 | 199th of 612 |
Its median household income is higher than in 75% of U.S. residential ZIP codes, and it is denser than 61% 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 53070?
The 2020 Census counted 4,893 people in 53070; the ACS, which samples households over 2020-2024, estimates 4,951. Between the 2010 and 2020 censuses its population grew 3.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,951
- 2020 Census count
- 4,893+3.8% since 2010 (4,713)
- Households
- 2,003
- Median age
- 45.1
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 53070?
Of the 4,951 people the ACS estimates in 53070, 22.7% are under 18 and 20.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.7%).
- Under 1822.7%
- 18 to 6456.6%
- 65 and older20.7%
- White, not Hispanic87.7%
- Hispanic or Latino7.5%
- Other or two or more3.9%
- Asian, not Hispanic0.5%
- Black, not Hispanic0.5%
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 53070 earn?
Median household income is $91,557 (ACS 2020-2024), the 6th highest of the 16 ranked ZIP codes in Sheboygan County. It is not measurably different from 2015-2019 ($82,256 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $91,557±$11,535
- Income per person
- $42,455
- Below the poverty line
- 6.3%
- Unemployed (of the labor force)
- 1.8%
- Adults 25+ with a bachelor's degree
- 30.2%
- Adjusted gross income per tax return, 2022
- $81,3442,400 returns; wages 66% 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 53070?
FHFA's house price index for 53070, built from repeat sales and appraisals of the same homes, rose 100% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +2.2% in 2025.
- Median home value (owners' estimate)
- $282,000
- Median gross rent
- $827
- Homes owned by their occupants
- 83.1%
- Housing units
- 2,236
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 53070?
122 business establishments had a location in this ZIP code in 2023, 10 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction29
- Administrative and support and waste management and remediation services11
- Health care and social assistance11
- Manufacturing10
- Retail trade10
- Other services (except public administration)9
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 53070?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53013 | Cedar Grove | 3,717 | $84k | 4.3 mi |
| 53093 | Waldo | 2,135 | $101k | 6.7 mi |
| 53081 | Sheboygan | 43,381 | $64k | 7.2 mi |
| 53085 | Sheboygan Falls | 11,695 | $74k | 8.1 mi |
| 53031 | Hingham | 105 | – | 5.7 mi (near) |
| 53044 | Kohler | 2,326 | $131k | 8.2 mi (near) |
| 53004 | Belgium | 3,475 | $85k | 9.1 mi (near) |
| 53075 | Random Lake | 3,402 | $94k | 10.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.