ZIP Code 53538 - Fort Atkinson Wisconsin
Overview
ZIP Code 53538 is located in Fort Atkinson Wisconsin. Portions of 53538 are also in Lake Koshkonong and Hebron and Lake Ripley and Koshkonong and Oakland (Jefferson County) and Sumner (Jefferson County) and Hebron (town) and Jefferson (Jefferson County) and Milton (Rock County) and Cold Spring and Lima (Rock County). 53538 is primarily within Jefferson County, with some portions in Rock County. Regionally, 53538 is located in Metro Milwaukee.
ZIP Code 53538 Quick Stats
| ZIP Code Name | Fort Atkinson |
| Primary County | Jefferson County |
| ZIP Code Type | Standard |
| Population (2022) | 18,535 |
| Area Code(s) | 262 / 274 / 608 / 920 |
| Current Time | CDT |
ZIP Code 53538 Map
53538 Demographics
53538 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 53538 is White. The majority race/ethnicity attending public schools in 53538 is White. The current unemployment level in 53538 is 4%.
| Population | 18,535 |
| Population Growth Rate | -0.89% |
| Population Density | 165 People per Square Mile |
| Total Households | 7,400 |
| Percentage High Income Households | 2.2% |
| Median Household Income (2021) | $72,762 |
| Average Adjusted Gross Income (2021) | $495,550 |
| Current Unemployment Rate (May 2026) | 4% |
| Sales Tax Rate (2025) | 5.5% |
| Majority Race/Ethnicity | White - 90.18% |
| Public School Majority Race/Ethnicity | White - 80.51% |
53538 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 16,792 | 90.1% |
| Black | 187 | 1% |
| Hispanic | 1,577 | 8.46% |
| Asian | 50 | 0.27% |
| Native American | 15 | 0.08% |
| Hawaiian/Pac. Islander | 17 | 0.09% |
53538 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 2,135 | 82.82% |
| Black | 47 | 1.82% |
| Hispanic | 336 | 13.03% |
| Asian | 47 | 1.82% |
| Native American | 7 | 0.27% |
| Hawaiian/Pac. Islander | 6 | 0.23% |
53538 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 1,011 | 8.41% |
| Bachelor Degree | 2,216 | 18.44% |
| High School Diploma | 3,986 | 33.17% |
| No High School Diploma | 219 | 1.82% |
| GED or Alternate | 443 | 3.69% |
| 1 or More Years of College | 1,857 | 15.45% |
| Associates Degree | 997 | 8.3% |
| Masters Degree | 1,038 | 8.64% |
| Professional Degree | 92 | 0.77% |
| Doctorate Degree | 158 | 1.31% |
53538 Geography
| Coordinates | 42.9172821, -88.86746216 |
| Adjacent ZIP Codes | |
| Cities/Towns in 53538 | |
| Regions | Metro Milwaukee Madison Area |
| Metropolitan/Micropolitan Stat Areas | Watertown-Fort Atkinson, WI Janesville-Beloit, WI |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 113 Square Miles |
53538 Schools
| School Districts in 53538 | |
| Elementary Schools in 53538 | |
| Middle Schools in 53538 | |
| High Schools in 53538 |
53538 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 | 53c - Southeastern Wisconsin Savannah and Till Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||