ZIP Code 66541 - Summerfield Kansas
Overview
ZIP Code 66541 is located in Summerfield Kansas. Portions of 66541 are also in St. Bridget Township and Richland Township (Marshall County) and Murray Township. 66541 is entirely within Marshall County. Regionally, 66541 is located in the Topeka Area.
ZIP Code 66541 Quick Stats
| ZIP Code Name | Summerfield |
| Primary County | Marshall County |
| ZIP Code Type | Standard |
| Population (2022) | 257 |
| Area Code(s) | 785 |
| Current Time | CDT |
ZIP Code 66541 Map
66541 Demographics
The majority race/ethnicity residing in 66541 is White. The current unemployment level in 66541 is 3.8%.
| Population | 257 |
| Population Growth Rate | 37.08% |
| Population Density | 10 People per Square Mile |
| Total Households | 138 |
| Current Unemployment Rate (May 2026) | 3.8% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 99.58% |
66541 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 238 | 99.58% |
| Black | 1 | 0.42% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
66541 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 6 | 2.29% |
| Bachelor Degree | 18 | 6.87% |
| High School Diploma | 156 | 59.54% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 2 | 0.76% |
| 1 or More Years of College | 57 | 21.76% |
| Associates Degree | 23 | 8.78% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
66541 Geography
| Coordinates | 39.96944427, -96.34043884 |
| Adjacent ZIP Codes | |
| Cities/Towns in 66541 | |
| Region | Topeka Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 26 Square Miles |
66541 Schools
| School Districts in 66541 | |
| Elementary Schools in 66541 | |
| High Schools in 66541 |
66541 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 47i - Loess and Glacial Drift Hills | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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