ZIP 53818
ZIP code lookup
Type a ZIP code to see its county, U.S. House district, members of Congress, people, income and taxes, and federal money spent nearby.
ZIP 53818, Wisconsin
- County: Grant County (81% of land); Lafayette County (17% of land); Iowa County (2% of land)
- U.S. House district: WI-03 (81% of land); WI-02 (19% of land)
- People: population 16,024; households 5,712; median household income $55,567
- Taxes: 5,660 returns; adjusted gross income $402.9 million; wages $248.0 million; total tax $41.7 million
- Donations: $72,479 in 648 itemized individual contributions (2025-26)
Members of Congress
| Member | Chamber | District | Party | Raised 2025-26 |
|---|---|---|---|---|
| Tammy Baldwin | Senate | Democrat | $3.5 million | |
| Ron Johnson | Senate | Republican | $1.2 million | |
| Derrick Van Orden | House | District 3 | Republican | $9.1 million |
| Mark Pocan | House | District 2 | Democrat | $1.0 million |
Federal money spent nearby (FY 2026)
| Place | Federal obligations |
|---|---|
| Grant County (county) | $318.8 million |
| Lafayette County (county) | $102.4 million |
| Iowa County (county) | $164.5 million |
| WI-03 (district) | $6.4 billion |
| WI-02 (district) | $52.4 billion |
Source: Census 2020 ZCTA to county relationship file (ZIP to county crosswalk) (fetched Nov 4, 2026 9:32 AM CST); Census 119th Congress district to ZCTA relationship file (ZIP to district crosswalk) (fetched Nov 4, 2026 9:32 AM CST); Census ACS 5-year 2020-2024 summary file (population B01003, households B11001, median household income B19013) for states, counties, districts, ZCTAs; bulk files because the Census API now requires a key (fetched Nov 4, 2026 9:31 AM CST); IRS SOI individual income tax ZIP code data, tax year 2023: returns, AGI, wages, tax (fetched Nov 4, 2026 9:31 AM CST); USAspending spending_by_geography: contracts, grants, direct payments, loans, other by state, county and congressional district (latest fiscal year, no key) (fetched Nov 14, 2026 3:36 AM CST); Current members of Congress (unitedstates/congress-legislators JSON): district, chamber, party, term, bioguide id, FEC ids, links (fetched Nov 4, 2026 9:15 AM CST); FEC bulk all-candidates summary (receipts, disbursements, cash on hand), 2025-2026 cycle (fetched Nov 15, 2026 3:44 AM CST); FEC bulk individual contributions 2025-2026 (about 2.4 GB zip, cached); only state and ZIP totals are kept (fetched Nov 14, 2026 3:36 AM CST).