Carlisle, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Carlisle, Pennsylvania is 21,335 as of the 2023 American Community Survey, making it the 30th-largest city in Pennsylvania. The median household income is $59,742, the median home value is $212,400, and the median age is 34.4.
The population has grown 20.1% since 2010 (18,746 → 22,517).
21,335
Population
3856
People / sq mi
$59,742
Median Income
$212,400
Median Home Value
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Carlisle covers 5.5 sq mi of land at 3856 people per square mile.
About Carlisle, PA
Homeownership is the standout figure in Carlisle: 49.1% of homes are owner-occupied, lower than the national rate. Carlisle is a city in Pennsylvania with a population of 21,335. It ranks #30 among cities in Pennsylvania by population.
The typical household earns $59,742, below the US median of $78,538. Roughly 14.8% of residents fall below the poverty line, above the national 12.4%. Homes are comparatively cheap — a median value of $212,400, with typical rent around $986.
37.8% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. Around 10.8% of workers work from home, below the national 14.0%, and the average commute runs about 19 minutes each way.
Carlisle borough Population History (2010-2024)
The city of Carlisle borough had a population of 18,746 in 2010 and 22,517 in 2024, a 20.1% growth over 14 years. The peak was 22,517 in 2024. Average annual growth rate: 1.35%.
22,517
Population (2024)
18,746
Population (2010)
22,517
Peak (2024)
1.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,746 |
| 2011 | 18,896 |
| 2012 | 18,951 |
| 2013 | 18,936 |
| 2014 | 18,940 |
| 2015 | 19,143 |
| 2016 | 19,224 |
| 2017 | 19,070 |
| 2018 | 19,179 |
| 2019 | 19,198 |
| 2020 | 20,149 |
| 2021 | 22,095 |
| 2022 | 22,147 |
| 2023 | 22,404 |
| 2024 | 22,517 |
Race & Ethnicity
| White | 76.6% |
| Black or African American | 11.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Economy & Income
$59,742
Median Household Income
$36,547
Per Capita Income
14.8%
Poverty Rate
2.7%
Unemployment Rate
Housing
$212,400
Median Home Value
$986
Median Rent
49.1%
Owner-Occupied
Education
92.8%
High School+
37.8%
Bachelor's+
Commute
0.5%
Drive Alone
67.5%
Public Transit
10.8%
Work From Home
18.9 min
Avg Commute
Community Profile
29.4%
Foreign Born
89.8%
Non-English at Home
7.6%
Veterans
14.0%
With Disability
95.0%
Health Insurance
93.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.3% |
| Education, Health Care & Social Services | 11.5% |
| Finance, Insurance & Real Estate | 11.4% |
| Manufacturing | 8.6% |
| Retail Trade | 6.1% |
| Public Administration | 5.5% |
| Arts, Entertainment & Food Services | 4.8% |
| Information | 4.6% |
| Construction | 2.1% |
| Transportation & Warehousing | 0.9% |
| Agriculture & Mining | 0.3% |
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Part of Pennsylvania
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City rankings
Frequently Asked Questions
Carlisle, Pennsylvania has a population of 21,335 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 30th-largest city in Pennsylvania.
The median household income in Carlisle, Pennsylvania is $59,742, with 14.8% of residents living below the federal poverty level.
The median home value in Carlisle, Pennsylvania is $212,400, with median monthly rent at $986 and a homeownership rate of 49.1%.
The median age in Carlisle, Pennsylvania is 34.4 years. The population is 51.4% male and 48.6% female.
The population has grown 20.1% since 2010 (18,746 → 22,517).
Where to stay in Carlisle
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.