Mount Oliver, PA Profile: Facts, Map & Data


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Mount Oliver, Pennsylvania - Basic Facts

The Borough of Mount Oliver had a population of 3,263 as of July 1, 2017. Mount Oliver ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below.

The primary coordinate point for Mount Oliver is located at latitude 40.4113 and longitude -79.9856 in Allegheny County. The formal boundaries for the Borough of Mount Oliver (see map below) encompass a land area of 0.34 sq. miles and a water area of 0 sq. miles. Allegheny County is in the Eastern time zone (GMT -5). The elevation is 1,158 feet.

The Borough of Mount Oliver (GNIS ID: 1214810) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Mount Oliver population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Mount Oliver: Ormsby.

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Borough of Mount Oliver, PA Boundary Map

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Mount Oliver, PA Data & Demographics (As of July 1, 2017)


Total Population 3,263
Daytime Population: Workers 526
Daytime Population: Residents 1,904
Total Daytime Population (TDP) 2,430
Ratio TDP/Total Population1 0.74
Population in Households 3,263
Population in Familes 2,394
Population in Group Qrtrs 0
Population Density2 9,611
Diversity Index3 56


Median Household Income $33,235
Average Household Income $41,588
Per Capita Income $17,971


Total Housing Units 1,819 (100%)
Owner Occupied HU 617 (33.9%)
Renter Occupied HU 793 (43.6%)
Vacant Housing Units 409 (22.5%)
Median Home Value $51,680
Average Home Value $58,468


Total Households 1,410
Average Household Size 2.31
Family Households 790
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 -0.58% -0.32%
Households -0.52% -0.27%
Families -0.7% -0.38%
Median Household Income   0.61%
Per Capita Income   1.99%

Mount Oliver, PA - Peer Comparisons by Rank and Percentile

The table below compares Mount Oliver to the other 1,762 incorporated cities, towns and CDPs 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 # 421 76th
Population Density # 14 99th
Diversity Index # 83 95th
Median Household Income # 1692 4th
Per Capita Income # 1717 3rd

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

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