Fairfield, PA 17320 ZIP Code Profile

Related Place Profiles:
Carroll Valley, PA | Fairfield, PA

ZIP Code 17320: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Fairfield, PA 17320

Acceptable Alternative
Greenstone, PA 17320

Not Acceptable, USPS
Carroll Valley, PA 17320
Charnita, PA 17320

  • ZIP Code Type: STANDARD
  • County: Adams County
  • Centroid: Latitude 39.755, Longitude -77.376
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 117
  • PO Box Addresses: 231
  • Residential Addresses: 3,036
    • Multi-Family Addresses: 0
    • Single Family Addresses: 3,036

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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17320 ZIP Code Map

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Fairfield, PA 17320 Data & Demographics (As of July 1, 2017)


Total Population 7,869
Daytime Population: Workers 2,368
Daytime Population: Residents 3,581
Total Daytime Population (TDP) 5,949
Ratio TDP/Total Population1 0.76
Population in Households 7,828
Population in Familes 6,683
Population in Group Qrtrs 41
Population Density2 157
Diversity Index3 11


Median Household Income $72,665
Average Household Income $92,357
Per Capita Income $35,455


Total Housing Units 3,256 (100%)
Owner Occupied HU 2,592 (79.6%)
Renter Occupied HU 419 (12.9%)
Vacant Housing Units 245 ( 7.5%)
Median Home Value $243,800
Average Home Value $286,912


Total Households 3,011
Average Household Size 2.6
Family Households 2,256
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.3% 0.4%
Households 0.25% 0.38%
Families 0.15% 0.32%
Median Household Income   2.56%
Per Capita Income   2.87%

Fairfield, PA 17320 - Peer Comparisons by Rank and Percentile

The table below compares 17320 to the other 1,663 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2017 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.

Variable Description Rank Percentile
Total Population # 495 70th
Population Density # 983 41st
Diversity Index # 798 52nd
Median Household Income # 225 87th
Per Capita Income # 263 84th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.

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