ZIP Code 66521 is located in Onaga Kansas. Portions of 66521 are also in Wheaton and Mill Creek Township (Pottawatomie County) and Lone Tree Township (Pottawatomie County) and Vienna Township and Sherman Township (Pottawatomie County) and St. Clere Township and Neuchatel Township and Center Township (Pottawatomie County) and Lincoln Township (Pottawatomie County) and Emmett Township and Union Township (Pottawatomie County) and Grant Township (Pottawatomie County). 66521 is primarily within Pottawatomie County, with some portions in Nemaha County. Regionally, 66521 is located in the Topeka Area.
| ZIP Code Name | Onaga |
| Primary County | Pottawatomie County |
| ZIP Code Type | Standard |
| Population (2022) | 1,417 |
| Area Code(s) | 785 |
| Current Time | CST |
66521 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Kansas based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 66521 is White. The majority race/ethnicity attending public schools in 66521 is White. The current unemployment level in 66521 is 3.1%.
| Population | 1,417 |
| Population Growth Rate | -23.18% |
| Population Density | 8 People per Square Mile |
| Total Households | 640 |
| Percentage High Income Households | 1.1% |
| Median Household Income (2021) | $56,607 |
| Average Adjusted Gross Income (2021) | $342,000 |
| Current Unemployment Rate (November 2024) | 3.1% |
| Majority Race/Ethnicty | White - 96.82% |
| Public School Majority Race/Ethnicty | White - 88.96% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,368 | 96.82% |
| Black | 0 | 0% |
| Hispanic | 42 | 2.97% |
| Asian | 0 | 0% |
| Native American | 3 | 0.21% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 274 | 94.16% |
| Black | 0 | 0% |
| Hispanic | 16 | 5.5% |
| Asian | 1 | 0.34% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 89 | 8.73% |
| Bachelor Degree | 145 | 14.22% |
| High School Diploma | 479 | 46.96% |
| No High School Diploma | 4 | 0.39% |
| GED or Alternate | 27 | 2.65% |
| 1 or More Years of College | 150 | 14.71% |
| Associates Degree | 86 | 8.43% |
| Masters Degree | 31 | 3.04% |
| Professional Degree | 9 | 0.88% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 39.46007156,-96.21373749 |
| Adjacent ZIP Codes | |
| Cities/Towns in 66521 | Wheaton, Mill Creek Township (Pottawatomie County), Lone Tree Township (Pottawatomie County), Vienna Township, Sherman Township (Pottawatomie County), St. Clere Township, Neuchatel Township, Center Township (Pottawatomie County), Lincoln Township (Pottawatomie County), Emmett Township, Union Township (Pottawatomie County), Grant Township (Pottawatomie County) |
| Region | Topeka Area |
| Metropolitan/Micropolitan Stat Area | Manhattan, KS |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| Area | 188 Square Miles |
| School Districts in 66521 | |
| Elementary Schools in 66521 | |
| High Schools in 66521 |
| Plant Hardiness Zone | Zone 6a: -10F to -5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 28a - Flint Hills | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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