Arnold Flag

Arnold

County Seat:
No
Area (mi²):
0.732
State:
Pennsylvania

Arnold is a city located in Allegheny County, Pennsylvania. Arnold has a 2026 population of 4,603. Arnold is currently declining at a rate of -0.58% annually and its population has decreased by -3.38% since the most recent census, which recorded a population of 4,764 in 2020.

The median household income in Arnold is $45,417 with a poverty rate of 25.47%. The median age in Arnold is 40.6 years: 32.4 years for males, and 49.3 years for females. For every 100 females there are 97.6 males.

4.6K
Total Population
6,288
Density (mi²)
-27 -0.58%
Growth

Arnold Population

Arnold Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,603-27-0.58%
20254,630-27-0.58%
20244,657-15-0.32%
20234,672-25-0.53%
20224,697-43-0.91%
20214,740-33-0.69%
20204,764-68-1.41%
20194,832-30-0.62%
20184,862-34-0.69%
20174,896-45-0.91%
20164,941-43-0.86%
20154,984-39-0.78%
20145,023-37-0.73%
20135,060-27-0.53%
20125,087-33-0.64%
20115,120-28-0.54%
20105,148-9-0.17%
20005,667-446-7.3%
19906,113-740-10.8%
19806,853-1,321-16.16%
19708,174-1,263-13.38%
19609,437-826-8.05%
195010,263-635-5.83%
194010,8983233.05%
193010,5754,45572.79%
19206,12000%

Median Age

Overall: 40.6 years
Female: 49.3 years
Male: 32.4 years

Arnold Adults

There are 3,732 adults, (922 of whom are seniors) in Arnold.

Sex Ratio

Female: 2,381 (50.6%)
Male: 2,323 (49.4%)

Demographics

The racial composition of Arnold includes 65.26% White, 26.49% Black or African American, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,07065.26%
Black or African American1,24626.49%
Two or more races2024.29%
Native American1292.74%
Other race571.21%
Race
Population ↓
Percentage (of total)
Native American1292.74%
Two or more races220.47%
White90.19%
Race
Population ↓
Percentage (of total)
White3,06165.07%
Black or African American1,24626.49%
Two or more races1803.83%
Other race571.21%

Arnold Marital Status

Economics and Income Statistics

Arnold 's average per capita income is $36,503. Household income levels show a median of $45,417. The poverty rate stands at 25.47%.

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
Married Families$86,705-
Families$76,337$83,562
Households$45,417$62,436
Non Families$25,588$38,750

$36,503

Average Income

$45,417

Median Household Income

25.47%

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)