ZIP Code 53818 - Platteville Wisconsin
Overview
ZIP Code 53818 is located in Platteville Wisconsin. Portions of 53818 are also in Platteville (town) and Lima (Grant County) and Harrison (Grant County) and Smelser and Belmont (Lafayette County) and Elk Grove and Ellenboro and Clifton (Grant County) and Paris (Grant County) and Mifflin. 53818 is primarily within Grant County, with some portions in Lafayette County and Iowa County. Regionally, 53818 is located in the Madison Area.
ZIP Code 53818 Quick Stats
| ZIP Code Name | Platteville |
| Primary County | Grant County |
| ZIP Code Type | Standard |
| Population (2022) | 15,712 |
| Area Code(s) | 608 |
| Current Time | CDT |
ZIP Code 53818 Map
53818 Demographics
53818 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Wisconsin based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 53818 is White. The majority race/ethnicity attending public schools in 53818 is White. The current unemployment level in 53818 is 4%.
| Population | 15,712 |
| Population Growth Rate | -0.8% |
| Population Density | 103 People per Square Mile |
| Total Households | 4,922 |
| Percentage High Income Households | 1.4% |
| Median Household Income (2021) | $53,830 |
| Average Adjusted Gross Income (2021) | $529,600 |
| Current Unemployment Rate (May 2026) | 4% |
| Sales Tax Rate (2025) | 5.5% |
| Majority Race/Ethnicity | White - 92.59% |
| Public School Majority Race/Ethnicity | White - 82.99% |
53818 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 14,813 | 92.59% |
| Black | 438 | 2.74% |
| Hispanic | 366 | 2.29% |
| Asian | 367 | 2.29% |
| Native American | 14 | 0.09% |
| Hawaiian/Pac. Islander | 0 | 0% |
53818 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,288 | 87.26% |
| Black | 67 | 4.54% |
| Hispanic | 73 | 4.95% |
| Asian | 45 | 3.05% |
| Native American | 1 | 0.07% |
| Hawaiian/Pac. Islander | 2 | 0.14% |
53818 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 528 | 8.4% |
| Bachelor Degree | 1,079 | 17.17% |
| High School Diploma | 1,763 | 28.05% |
| No High School Diploma | 72 | 1.15% |
| GED or Alternate | 134 | 2.13% |
| 1 or More Years of College | 1,103 | 17.55% |
| Associates Degree | 505 | 8.03% |
| Masters Degree | 641 | 10.2% |
| Professional Degree | 163 | 2.59% |
| Doctorate Degree | 298 | 4.74% |
53818 Geography
| Coordinates | 42.74489212, -90.4941864 |
| Adjacent ZIP Codes | |
| Cities/Towns in 53818 | |
| Region | Madison Area |
| Metropolitan/Micropolitan Stat Areas | Platteville, WI Madison, WI |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 153 Square Miles |
53818 Schools
| School Districts in 53818 | |
| Elementary Schools in 53818 | |
| Middle Schools in 53818 | |
| High Schools in 53818 |
53818 Weather and Climate Data
| Plant Hardiness Zone | Zone 5a: -20F to -15F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 52a - Savanna Section | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||