ZIP Code 62427 - Flat Rock Illinois
Overview
ZIP Code 62427 is located in Flat Rock Illinois. Portions of 62427 are also in Bond Township and Montgomery Township (Crawford County) and Honey Creek Township (Crawford County) and Martin Township (Crawford County) and Birds. 62427 is primarily within Crawford County, with some portions in Lawrence County. Regionally, 62427 is located in the Terre Haute Area.
ZIP Code 62427 Quick Stats
| ZIP Code Name | Flat Rock |
| Primary County | Crawford County |
| ZIP Code Type | Standard |
| Population (2022) | 1,948 |
| Area Code(s) | 618 |
| Current Time | CDT |
ZIP Code 62427 Map
62427 Demographics
62427 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 62427 is White. The current unemployment level in 62427 is 5.2%.
| Population | 1,948 |
| Population Growth Rate | 0% |
| Population Density | 19 People per Square Mile |
| Total Households | 742 |
| Median Household Income (2021) | $61,987 |
| Average Adjusted Gross Income (2021) | $264,400 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 7.2% |
| Majority Race/Ethnicity | White - 99.9% |
62427 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 2,003 | 99.9% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 2 | 0.1% |
| Hawaiian/Pac. Islander | 0 | 0% |
62427 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 163 | 13.33% |
| Bachelor Degree | 160 | 13.08% |
| High School Diploma | 456 | 37.29% |
| No High School Diploma | 26 | 2.13% |
| GED or Alternate | 126 | 10.3% |
| 1 or More Years of College | 117 | 9.57% |
| Associates Degree | 145 | 11.86% |
| Masters Degree | 30 | 2.45% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
62427 Geography
| Coordinates | 38.86275101, -87.66909027 |
| Adjacent ZIP Codes | |
| Cities/Towns in 62427 | |
| Region | Terre Haute Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 102 Square Miles |
62427 Schools
| School Districts in 62427 | |
| Elementary Schools in 62427 | |
| Middle Schools in 62427 | |
| High Schools in 62427 |
62427 Weather and Climate Data
| Plant Hardiness Zone | Zone 6a: -10F to -5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 72j - Southern Illinoian Till Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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