ZIP Code 15442 - Grindstone Pennsylvania
Overview
ZIP Code 15442 is located in Grindstone Pennsylvania. Portions of 15442 are also in Rowes Run and Allison and Republic and Redstone Township and Jefferson Township (Fayette County). 15442 is entirely within Fayette County. Regionally, 15442 is located in Metro Pittsburgh.
ZIP Code 15442 Quick Stats
| ZIP Code Name | Grindstone |
| Primary County | Fayette County |
| ZIP Code Type | Standard |
| Population (2022) | 2,111 |
| Area Code(s) | 724 / 878 |
| Current Time | EDT |
ZIP Code 15442 Map
15442 Demographics
15442 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Pennsylvania based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 15442 is White. The current unemployment level in 15442 is 4.1%.
| Population | 2,111 |
| Population Growth Rate | 2.34% |
| Population Density | 127 People per Square Mile |
| Total Households | 964 |
| Percentage High Income Households | 0.8% |
| Median Household Income (2021) | $46,696 |
| Average Adjusted Gross Income (2021) | $344,950 |
| Current Unemployment Rate (May 2026) | 4.1% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 97.65% |
15442 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,909 | 97.65% |
| Black | 27 | 1.38% |
| Hispanic | 0 | 0% |
| Asian | 19 | 0.97% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
15442 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 104 | 7.01% |
| Bachelor Degree | 72 | 4.86% |
| High School Diploma | 979 | 66.01% |
| No High School Diploma | 31 | 2.09% |
| GED or Alternate | 56 | 3.78% |
| 1 or More Years of College | 77 | 5.19% |
| Associates Degree | 116 | 7.82% |
| Masters Degree | 48 | 3.24% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
15442 Geography
| Coordinates | 40.01921463, -79.83615875 |
| Adjacent ZIP Codes | |
| Cities/Towns in 15442 | |
| Region | Metro Pittsburgh |
| Metropolitan/Micropolitan Stat Area | Pittsburgh, PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 17 Square Miles |
15442 Schools
| School Districts in 15442 | |
| Elementary Schools in 15442 | |
| Middle Schools in 15442 | |
| High Schools in 15442 |
15442 Weather and Climate Data
| Plant Hardiness Zone | Zone 6b: -5F to 0F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 70c - Pittsburgh Low Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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