Marietta Flag

Marietta

County Seat:
No
Area (mi²):
0.747
State:
Pennsylvania

Marietta is a borough located in Lancaster County, Pennsylvania. Marietta has a 2026 population of 3,118. Marietta is currently growing at a rate of 2.73% annually and its population has increased by 19.05% since the most recent census, which recorded a population of 2,619 in 2020.

The median household income in Marietta is $54,167 with a poverty rate of 7.29%. The median age in Marietta is 45.5 years: 46.6 years for males, and 44.3 years for females. For every 100 females there are 135.2 males.

3.1K
Total Population
4,175
Density (mi²)
83 2.73%
Growth

Marietta Population

Marietta Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,118832.73%
20253,035832.81%
20242,952-6-0.2%
20232,958-3-0.1%
20222,961-7-0.24%
20212,96834413.11%
20202,619160.61%
20192,603-8-0.31%
20182,611-4-0.15%
20172,615-1-0.04%
20162,616-3-0.11%
20152,61920.08%
20142,61710.04%
20132,616190.73%
20122,59780.31%
20112,58900%
20102,58910.04%
20002,689-89-3.2%
19902,778381.39%
19802,740-98-3.45%
19702,83833513.38%
18802,50300%

Median Age

Overall: 45.5 years
Female: 44.3 years
Male: 46.6 years

Marietta Adults

There are 2,478 adults, (808 of whom are seniors) in Marietta.

Sex Ratio

Female: 1,227 (42.5%)
Male: 1,659 (57.5%)

Demographics

The racial composition of Marietta includes 75.26% White, 13.79% other race, 3.6% Black or African American, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,17275.26%
Other race39813.79%
Two or more races1786.17%
Black or African American1043.6%
Asian341.18%
Race
Population ↓
Percentage (of total)
Other race1164.02%
Two or more races983.4%
White140.49%
Race
Population ↓
Percentage (of total)
White2,15874.77%
Other race2829.77%
Black or African American1043.6%
Two or more races802.77%
Asian341.18%

Marietta Marital Status

Economics and Income Statistics

Marietta 's average per capita income is $46,173. Household income levels show a median of $54,167. The poverty rate stands at 7.29%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$73,971$88,421
Married Families$69,750-
Households$54,167$77,960
Non Families$36,974$55,895

$46,173

Average Income

$54,167

Median Household Income

7.29%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)