Eighty Four, Pennsylvania - Basic Facts

Eighty Four is the common name for the community and surrounding area while the formal official name is the Eighty Four Census Designated Place.

It is a community or populated place (Class Code U5) located in Washington County at latitude 40.1817 and longitude -80.1331. Washington County is in the Eastern time zone (GMT -5). The elevation is 1,030 feet.

The formal boundaries for the Eighty Four Census Designated Place (see map) encompass a land area of 6.6 sq. miles and a water area of 0 sq. miles.

Alternate Unofficial Names for Eighty Four: Eightyfour, Eighty-Four, Eighty-four, Smithville.

Camera Icon Photos of the local Eighty Four, PA area

Also See: Eighty Four, PA ZIP Codes and ZIP Code Maps

Eighty Four, PA Data & Demographics (As of July 1, 2014)


Total Population 658
Population in Households 654
Population in Familes 560
Population in Group Qrtrs 4
Population Density1 100
Diversity Index2 6


Total Households 280
Average Household Size 2.34
Family Households 206
Average Family Size 3


Total Housing Units 295 (100%)
Owner Occupied HU 238 (80.7%)
Renter Occupied HU 41 (13.9%)
Vacant Housing Units 15 ( 5.1%)
Median Home Value $268,269
Average Home Value $386,287


Median Household Income $64,389
Average Household Income $80,166
Per Capita Income $32,727
  (Compound Annual Growth Rates)


Population 0.04% -0.06%
Households 0.34% 0.07%
Families 0.46% 0.0%
Median Household Income   3.84%
Per Capita Income   3.2%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Eighty Four, PA - Peer Comparisons by Rank and Percentile

The table below compares Eighty Four to the other 1,764 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2014 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 DescriptionRankPercentile
Total Population # 1190 33rd
Population Density1 # 1730 2nd
Diversity Index2 # 1320 26th
Median Household Income # 260 85th
Per Capita Income # 219 88th

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