Residential delivery area · Wisconsin
ZIP Code 53048: Lomira, WI
ZIP code 53048 uses the postal name Lomira, Wisconsin and lies mostly in Dodge County (96% of its land) with the rest in Fond du Lac County (Census 2020 ZIP-county file). About 3,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,464 (Census Bureau, ACS 2020-2024). By Census place, 8% of its land lies in Lomira; 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lomira · its only residential ZIP
- County
- Dodge County (96%); Fond du Lac County (4%)
- Census places
- Lomira
- Micro area
- Beaver Dam, WI
- House districts
- WI-6 (96%), WI-5 (4%) 119th Congress, by share of land
- State
- Wisconsin
- Time zone
- Central
- Land area
- 26.9 sq mi · 127 people per sq mi
Where is ZIP code 53048?
53048 centers on 43.574°, -88.457° and covers 26.9 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 53006, 53091, 53050, 53002, 53010, 54937.
The map draws ZIP code areas only. For the streets inside 53048, 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 53048 compare with the rest of Dodge County?
| Measure | 53048 | In Dodge County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 3,420 | 14th of 30 | 349th of 783 |
| Median household income | $75k | 21st of 25 | 342nd of 610 |
| Median home value | $240k | 16th of 25 | 309th of 612 |
Its median household income is higher than in 54% of U.S. residential ZIP codes, and it is denser than 57% 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 53048?
The 2020 Census counted 3,542 people in 53048; the ACS, which samples households over 2020-2024, estimates 3,420. Between the 2010 and 2020 censuses its population grew 5.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,420
- 2020 Census count
- 3,542+5.3% since 2010 (3,364)
- Households
- 1,513
- Median age
- 41.6
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 53048?
Of the 3,420 people the ACS estimates in 53048, 20.4% are under 18 and 17.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.6%), then Hispanic or Latino (10.7%).
- Under 1820.4%
- 18 to 6461.7%
- 65 and older17.8%
- White, not Hispanic85.6%
- Hispanic or Latino10.7%
- Other or two or more2.3%
- Asian, not Hispanic0.8%
- Black, not Hispanic0.6%
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 53048 earn?
Median household income is $74,464 (ACS 2020-2024), the 21st highest of the 25 ranked ZIP codes in Dodge County. It is not measurably different from 2015-2019 ($69,402 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $74,464±$13,403
- Income per person
- $40,952
- Below the poverty line
- 7.8%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 22.0%
- Adjusted gross income per tax return, 2022
- $65,8791,800 returns; wages 76% 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 53048?
FHFA's house price index for 53048, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +6.1% in 2025.
- Median home value (owners' estimate)
- $239,700
- Median gross rent
- $1,133
- Homes owned by their occupants
- 64.9%
- Housing units
- 1,671
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 53048?
76 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade17
- Construction8
- Health care and social assistance8
- Accommodation and food services8
- Other services (except public administration)8
- Manufacturing7
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 53048?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53006 | Brownsville | 1,905 | $89k | 5.0 mi |
| 53091 | Theresa | 2,123 | $83k | 5.2 mi |
| 53050 | Mayville | 7,159 | $72k | 6.3 mi |
| 53002 | Allenton | 2,584 | $118k | 9.2 mi |
| 53010 | Campbellsport | 7,444 | $95k | 9.6 mi |
| 54937 | Fond Du Lac | 21,687 | $82k | 10.8 mi |
| 53065 | Oakfield | 2,351 | $100k | 9.3 mi (near) |
| 53019 | Eden | 1,876 | $85k | 11.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.