Marietta, PA Profile: Facts, Map & Data


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Marietta, Pennsylvania - Basic Facts

The Borough of Marietta had a population of 2,722 as of July 1, 2017. Marietta 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 Marietta is located at latitude 40.057 and longitude -76.5517 in Lancaster County. The formal boundaries for the Borough of Marietta (see map below) encompass a land area of 0.75 sq. miles and a water area of 0.01 sq. miles. Lancaster County is in the Eastern time zone (GMT -5). The elevation is 276 feet.

The Borough of Marietta (GNIS ID: 1215342) 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 Marietta 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 Marietta: New Haven, Waterford.

Neighborhood Data

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Borough of Marietta, PA Boundary Map

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


Total Population 2,722
Daytime Population: Workers 358
Daytime Population: Residents 1,191
Total Daytime Population (TDP) 1,549
Ratio TDP/Total Population1 0.57
Population in Households 2,722
Population in Familes 2,076
Population in Group Qrtrs 0
Population Density2 3,645
Diversity Index3 25


Median Household Income $47,951
Average Household Income $57,801
Per Capita Income $24,250


Total Housing Units 1,233 (100%)
Owner Occupied HU 747 (60.6%)
Renter Occupied HU 395 (32.0%)
Vacant Housing Units 91 ( 7.4%)
Median Home Value $132,565
Average Home Value $160,408


Total Households 1,142
Average Household Size 2.38
Family Households 726
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 0.7% 0.73%
Households 0.64% 0.71%
Families 0.52% 0.63%
Median Household Income   1.48%
Per Capita Income   2.55%

Marietta, PA - Peer Comparisons by Rank and Percentile

The table below compares Marietta 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 # 496 72nd
Population Density # 304 83rd
Diversity Index # 434 75th
Median Household Income # 1063 40th
Per Capita Income # 1138 35th

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

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