ZIP Code 63458 - Newark Missouri
Overview
ZIP Code 63458 is located in Newark Missouri. Portions of 63458 are also in Plevna and Fabius Township (Knox County) and Jeddo Township and Bourbon Township (Knox County). 63458 is entirely within Knox County. Regionally, 63458 is located in Quincy-Hannibal-Keokuk.
ZIP Code 63458 Quick Stats
| ZIP Code Name | Newark |
| Primary County | Knox County |
| ZIP Code Type | Standard |
| Population (2022) | 85 |
| Area Code(s) | 660 |
| Current Time | CDT |
ZIP Code 63458 Map
63458 Demographics
63458 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Missouri. The majority race/ethnicity residing in 63458 is White. The current unemployment level in 63458 is 4.2%.
| Population | 85 |
| Population Growth Rate | -54.48% |
| Population Density | 2 People per Square Mile |
| Total Households | 95 |
| Median Household Income (2021) | $33,750 |
| Current Unemployment Rate (May 2026) | 4.2% |
| Sales Tax Rate (2025) | 6.7% |
| Majority Race/Ethnicity | White - 77.27% |
63458 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 51 | 77.27% |
| Black | 1 | 1.52% |
| Hispanic | 12 | 18.18% |
| Asian | 2 | 3.03% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
63458 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 4 | 2.76% |
| Bachelor Degree | 40 | 27.59% |
| High School Diploma | 62 | 42.76% |
| No High School Diploma | 13 | 8.97% |
| GED or Alternate | 4 | 2.76% |
| 1 or More Years of College | 10 | 6.9% |
| Associates Degree | 10 | 6.9% |
| Masters Degree | 2 | 1.38% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
63458 Geography
| Coordinates | 39.99742508, -92.01544189 |
| Adjacent ZIP Codes | |
| Cities/Towns in 63458 | |
| Region | Quincy-Hannibal-Keokuk |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 42 Square Miles |
63458 Schools
| School Districts in 63458 | |
| Elementary Schools in 63458 | |
| High Schools in 63458 |
63458 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 40a - Loess Flats and Till Plains | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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