ZIP Code 17055 has segments in 2 Counties (Cumberland, York).
Businesses Addresses: 1,327
PO Box Addresses: 306
Residential Addresses: 19,021
Multi-Family Addresses: 1,097
Single Family Addresses: 17,924
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Mechanicsburg, PA 17055 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
42,006 (100%)
Population Density
1,071 per sq mi
Diversity Index1
26
INCOME
Median Household Income
$99,077
Per Capita Income
$55,150
Median Home Value
$284,500
HOUSING
Total HU (Housing Units)
18,906 (100%)
Owner Occupied HU
12,968 (68.6%)
Renter Occupied HU
5,350 (28.3%)
Vacant Housing Units
588 (3.1%)
HOUSEHOLDS
Total Households
18,318
Average Household Size
2.26
Family Households
11,450 (62.5%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Mechanicsburg, PA 17055 - Peer Comparisons by Rank and Percentile
The table below compares 17055 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
