ZIP Code 62321 - Carthage Illinois
Overview
ZIP Code 62321 is located in Carthage Illinois. Portions of 62321 are also in Ferris and Bentley and Harmony Township and Carthage Township and Prairie Township (Hancock County) and Rock Creek Township and Hancock Township and Pilot Grove Township and Fountain Green Township and Bear Creek Township (Hancock County) and St. Mary Township. 62321 is entirely within Hancock County. Regionally, 62321 is located in Quincy-Hannibal-Keokuk.
ZIP Code 62321 Quick Stats
| ZIP Code Name | Carthage |
| Primary County | Hancock County |
| ZIP Code Type | Standard |
| Population (2022) | 3,717 |
| Area Code(s) | 217 / 309 |
| Current Time | CDT |
ZIP Code 62321 Map
62321 Demographics
62321 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Illinois based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 62321 is White. The majority race/ethnicity attending public schools in 62321 is White. The current unemployment level in 62321 is 5.2%.
| Population | 3,717 |
| Population Growth Rate | 0% |
| Population Density | 22 People per Square Mile |
| Total Households | 1,705 |
| Percentage High Income Households | 1% |
| Median Household Income (2021) | $69,722 |
| Average Adjusted Gross Income (2021) | $470,180 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 6.8% |
| Majority Race/Ethnicity | White - 96.4% |
| Public School Majority Race/Ethnicity | White - 93.8% |
62321 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 3,537 | 96.4% |
| Black | 15 | 0.41% |
| Hispanic | 105 | 2.86% |
| Asian | 6 | 0.16% |
| Native American | 6 | 0.16% |
| Hawaiian/Pac. Islander | 0 | 0% |
62321 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 696 | 95.47% |
| Black | 5 | 0.69% |
| Hispanic | 23 | 3.16% |
| Asian | 4 | 0.55% |
| Native American | 1 | 0.14% |
| Hawaiian/Pac. Islander | 0 | 0% |
62321 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 235 | 8.6% |
| Bachelor Degree | 493 | 18.05% |
| High School Diploma | 980 | 35.87% |
| No High School Diploma | 46 | 1.68% |
| GED or Alternate | 101 | 3.7% |
| 1 or More Years of College | 467 | 17.09% |
| Associates Degree | 229 | 8.38% |
| Masters Degree | 173 | 6.33% |
| Professional Degree | 8 | 0.29% |
| Doctorate Degree | 0 | 0% |
62321 Geography
| Coordinates | 40.4095726, -91.11113739 |
| Adjacent ZIP Codes | |
| Cities/Towns in 62321 | |
| Region | Quincy-Hannibal-Keokuk |
| Metropolitan/Micropolitan Stat Area | Fort Madison-Keokuk, IA-IL-MO |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 170 Square Miles |
62321 Schools
| School Districts in 62321 | |
| Elementary Schools in 62321 | |
| High Schools in 62321 |
62321 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 72i - Western Dissected Illinoian Till Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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