Plum, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Plum, Pennsylvania is 26,873 as of the 2023 American Community Survey, making it the 23rd-largest city in Pennsylvania. The median household income is $98,475, the median home value is $218,600, and the median age is 43.5.
The population has declined 2.6% since 2010 (27,134 → 26,420).
26,873
Population
941
People / sq mi
$98,475
Median Income
$218,600
Median Home Value
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Plum covers 28.6 sq mi of land at 941 people per square mile.
About Plum, PA
Plum stands apart on settlement density — it is among the most sparsely settled of US cities, at roughly 941 people per square mile. Plum is a city in Pennsylvania with a population of 26,873. It ranks #23 among cities in Pennsylvania by population.
The typical household here earns about $98,475, above the US median of $78,538. The poverty rate, 2.8%, is on the lower side for US cities and below the national 12.4%. Property is affordable here, the median home worth $218,600, with typical rent around $1,156.
Roughly 43.3% of adults have a bachelor’s, above the national 35.0%. A solid 21.2% of workers are based at home, above the national 14.0%, and the average commute runs about 31 minutes each way.
Plum borough Population History (2010-2024)
The city of Plum borough had a population of 27,134 in 2010 and 26,420 in 2024, a -2.6% growth over 14 years. The peak was 27,476 in 2014. Average annual growth rate: -0.19%.
26,420
Population (2024)
27,134
Population (2010)
27,476
Peak (2014)
-0.19%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,134 |
| 2011 | 27,271 |
| 2012 | 27,352 |
| 2013 | 27,444 |
| 2014 | 27,476 |
| 2015 | 27,361 |
| 2016 | 27,291 |
| 2017 | 27,189 |
| 2018 | 27,103 |
| 2019 | 27,087 |
| 2020 | 27,140 |
| 2021 | 26,945 |
| 2022 | 26,674 |
| 2023 | 26,495 |
| 2024 | 26,420 |
Race & Ethnicity
| White | 92.3% |
| Black or African American | 3.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$98,475
Median Household Income
$45,954
Per Capita Income
2.8%
Poverty Rate
2.0%
Unemployment Rate
Housing
$218,600
Median Home Value
$1,156
Median Rent
80.8%
Owner-Occupied
Education
97.5%
High School+
43.3%
Bachelor's+
Commute
1.9%
Drive Alone
71.0%
Public Transit
21.2%
Work From Home
31.4 min
Avg Commute
Community Profile
12.9%
Foreign Born
97.2%
Non-English at Home
7.6%
Veterans
11.1%
With Disability
97.2%
Health Insurance
95.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.6% |
| Finance, Insurance & Real Estate | 11.1% |
| Information | 10.3% |
| Manufacturing | 10.2% |
| Construction | 7.2% |
| Education, Health Care & Social Services | 7.1% |
| Arts, Entertainment & Food Services | 4.7% |
| Retail Trade | 3.3% |
| Public Administration | 3.3% |
| Transportation & Warehousing | 1.6% |
| Agriculture & Mining | 0.4% |
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City rankings
Frequently Asked Questions
Plum, Pennsylvania has a population of 26,873 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 23rd-largest city in Pennsylvania.
The median household income in Plum, Pennsylvania is $98,475, with 2.8% of residents living below the federal poverty level.
The median home value in Plum, Pennsylvania is $218,600, with median monthly rent at $1,156 and a homeownership rate of 80.8%.
The median age in Plum, Pennsylvania is 43.5 years. The population is 50.9% male and 49.1% female.
The population has declined 2.6% since 2010 (27,134 → 26,420).
Plum borough, PA Climate
Plum borough, PA has an average annual temperature of 10°C (50°F) and receives about 1014 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10°C
Avg Temp
1014
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 64 mm |
| February | -1° / 30° | 60 mm |
| March | 4° / 38° | 85 mm |
| April | 9° / 49° | 86 mm |
| May | 15° / 59° | 103 mm |
| June | 20° / 67° | 103 mm |
| July | 22° / 71° | 106 mm |
| August | 21° / 70° | 95 mm |
| September | 17° / 63° | 87 mm |
| October | 11° / 52° | 69 mm |
| November | 6° / 42° | 81 mm |
| December | 0° / 32° | 75 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Plum borough, PA
The most comfortable months to visit Plum borough, PA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -8°C low). July is usually the wettest month.
Where to stay near Plum
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.