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ZIP Code 17236 - Mercersburg Pennsylvania

Overview

ZIP Code 17236 is located in Mercersburg Pennsylvania. Portions of 17236 are also in Fort Loudon and Montgomery Township (Franklin County) and Peters Township (Franklin County) and Warren Township (Franklin County) and Thompson Township (Fulton County) and St. Thomas Township and Lemasters. 17236 is primarily within Franklin County, with some portions in Fulton County. Regionally, 17236 is located in the Harrisburg-Lancaster-Lebanon-York Area.

ZIP Code 17236 Quick Stats

ZIP Code NameMercersburg
Primary CountyFranklin County
ZIP Code TypeStandard
Population (2022)8,316
Area Code(s)223 / 717
Current Time
EDT

ZIP Code 17236 Map

Map of ZIP Code 17236 in Mercersburg, PA — click to open interactive map

17236 Demographics

17236 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 17236 is White. The majority race/ethnicity attending public schools in 17236 is White. The current unemployment level in 17236 is 4.1%.

Population8,316
Population Growth Rate-8.75%
Population Density64 People per Square Mile
Total Households3,196
Percentage High Income Households1.5%
Median Household Income (2021)$72,105
Average Adjusted Gross Income (2021)$478,610
Current Unemployment Rate (May 2026)4.1%
Sales Tax Rate (2025)6%
Majority Race/EthnicityWhite - 94.98%
Public School Majority Race/EthnicityWhite - 92.57%

17236 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White7,53294.98%
Black1822.3%
Hispanic1622.04%
Asian540.68%
Native American00%
Hawaiian/Pac. Islander00%

17236 Public School Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White1,83195.66%
Black201.04%
Hispanic482.51%
Asian90.47%
Native American40.21%
Hawaiian/Pac. Islander20.1%

17236 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College4408.76%
Bachelor Degree4539.01%
High School Diploma2,66052.94%
No High School Diploma1302.59%
GED or Alternate2685.33%
1 or More Years of College4178.3%
Associates Degree2725.41%
Masters Degree3396.75%
Professional Degree310.62%
Doctorate Degree150.3%

17236 Geography

17236 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion67b - Northern Shale Valleys
17236 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)21222939475761595139322440
Avg Max Temp (°F)39435264748387857866544364
Avg Precip (In.)2.852.443.653.694.34.153.73.863.73.463.43.1342.32

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