ZIP Code 16420 - Grand Valley Pennsylvania
Overview
ZIP Code 16420 is located in Grand Valley Pennsylvania. Portions of 16420 are also in Eldred Township (Warren County) and Southwest Township and Rome Township (Crawford County) and Triumph Township and Southwest. 16420 is entirely within Warren County. Regionally, 16420 is located in the Erie Area.
ZIP Code 16420 Quick Stats
| ZIP Code Name | Grand Valley |
| Primary County | Warren County |
| ZIP Code Type | Standard |
| Population (2022) | 447 |
| Area Code(s) | 582 / 814 |
| Current Time | EDT |
ZIP Code 16420 Map
16420 Demographics
16420 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 16420 is White. The current unemployment level in 16420 is 4.1%.
| Population | 447 |
| Population Growth Rate | -28.03% |
| Population Density | 10 People per Square Mile |
| Total Households | 228 |
| Median Household Income (2021) | $45,000 |
| Average Adjusted Gross Income (2021) | $237,900 |
| Current Unemployment Rate (May 2026) | 4.1% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 100% |
16420 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 456 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
16420 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 41 | 11.99% |
| Bachelor Degree | 13 | 3.8% |
| High School Diploma | 195 | 57.02% |
| No High School Diploma | 21 | 6.14% |
| GED or Alternate | 7 | 2.05% |
| 1 or More Years of College | 15 | 4.39% |
| Associates Degree | 23 | 6.73% |
| Masters Degree | 10 | 2.92% |
| Professional Degree | 8 | 2.34% |
| Doctorate Degree | 9 | 2.63% |
16420 Geography
| Coordinates | 41.70454407, -79.55142212 |
| Adjacent ZIP Codes | |
| Cities/Towns in 16420 | |
| Region | Erie Area |
| Metropolitan/Micropolitan Stat Area | Warren, PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 43 Square Miles |
16420 Schools
| School Districts in 16420 |
16420 Weather and Climate Data
| Plant Hardiness Zone | Zone 5a: -20F to -15F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 62d - Unglaciated Allegheney High Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||