ZIP Code 54858 - Milltown Wisconsin
Overview
ZIP Code 54858 is located in Milltown Wisconsin. Portions of 54858 are also in Milltown (town) and Eureka (town) and Georgetown (Polk County). 54858 is entirely within Polk County. Regionally, 54858 is located in Metro Minneapolis-St. Paul.
ZIP Code 54858 Quick Stats
| ZIP Code Name | Milltown |
| Primary County | Polk County |
| ZIP Code Type | Standard |
| Population (2022) | 1,539 |
| Area Code(s) | 534 / 715 |
| Current Time | CDT |
ZIP Code 54858 Map
54858 Demographics
54858 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 54858 is White. The current unemployment level in 54858 is 4%.
| Population | 1,539 |
| Population Growth Rate | -7.63% |
| Population Density | 71 People per Square Mile |
| Total Households | 728 |
| Percentage High Income Households | 1.5% |
| Median Household Income (2021) | $45,856 |
| Average Adjusted Gross Income (2021) | $342,750 |
| Current Unemployment Rate (May 2026) | 4% |
| Sales Tax Rate (2025) | 5.5% |
| Majority Race/Ethnicity | White - 91.78% |
54858 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,473 | 91.66% |
| Black | 13 | 0.81% |
| Hispanic | 101 | 6.29% |
| Asian | 0 | 0% |
| Native American | 18 | 1.12% |
| Hawaiian/Pac. Islander | 2 | 0.12% |
54858 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 65 | 6.31% |
| Bachelor Degree | 90 | 8.74% |
| High School Diploma | 445 | 43.2% |
| No High School Diploma | 7 | 0.68% |
| GED or Alternate | 60 | 5.83% |
| 1 or More Years of College | 240 | 23.3% |
| Associates Degree | 80 | 7.77% |
| Masters Degree | 32 | 3.11% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 11 | 1.07% |
54858 Geography
| Coordinates | 45.51808167, -92.47237396 |
| Adjacent ZIP Codes | |
| Cities/Towns in 54858 | |
| Region | Metro Minneapolis-St. Paul |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 22 Square Miles |
54858 Schools
| School Districts in 54858 | |
| Elementary Schools in 54858 | |
| Middle Schools in 54858 | |
| High Schools in 54858 |
54858 Weather and Climate Data
| Plant Hardiness Zone | Zone 4a: -30F to -25F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 51a - St. Croix Outwash Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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