Northampton County, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in Pennsylvania
The population of Northampton County, Pennsylvania is 315,927 as of the 2023 American Community Survey, making it the 13th-largest county in Pennsylvania. The median household income is $86,687, the median home value is $285,000, and the median age is 42.0.
The population of Northampton County has grown 8.4% since 2010 (297,941 → 322,989), a +0.58% annualized rate.
315,927
Population
+0.58%
Annual growth
854
People / sq mi
$86,687
Median Income
$285,000
Median Home Value
Northampton County covers 370 sq mi of land at 854.3 people per square mile.
About Northampton County, PA
Northampton County stands apart on settlement density — it is among the most densely settled of US counties, at roughly 854 people per square mile. With 315,927 residents, Northampton County is a county in Pennsylvania. It ranks #13 among counties in Pennsylvania by population.
Households here are among the highest-earning of all US counties: median income is $86,687, above the US median of $78,538. Only 5.9% of residents live in poverty, below the national 12.4%. Home values run above average at $285,000, with typical rent around $1,335.
About 33.8% of adults 25 and older have a bachelor’s degree, near the 35.0% national figure. A solid 12.6% of workers are based at home, below the national 14.0%, and the average commute runs about 27 minutes each way.
That density explains much of the rest of the profile in Northampton County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Northampton County Population History (2010-2024)
The county of Northampton County had a population of 297,941 in 2010 and 322,989 in 2024, a 8.4% growth over 14 years. The peak was 322,989 in 2024. Average annual growth rate: 0.58%.
322,989
Population (2024)
297,941
Population (2010)
322,989
Peak (2024)
0.58%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 297,941 |
| 2011 | 298,305 |
| 2012 | 299,099 |
| 2013 | 299,066 |
| 2014 | 299,748 |
| 2015 | 300,264 |
| 2016 | 301,629 |
| 2017 | 303,178 |
| 2018 | 304,949 |
| 2019 | 305,515 |
| 2020 | 312,810 |
| 2021 | 318,215 |
| 2022 | 318,044 |
| 2023 | 320,844 |
| 2024 | 322,989 |
Race & Ethnicity
| White | 76.7% |
| Black or African American | 5.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
42.0
Median Age
50.5%
Female
49.5%
Male
19.9%
Age 65+
Age Distribution
Children (under 15): 15.7% · Seniors (65+): 19.9%
Income & Poverty
| Median household income | $86,687+$10,606 vs state |
| Mean household income | $113,739 |
| Per-capita income | $44,837 |
| Poverty rate | 5.9%-2.2% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 59.8% |
Top Industries by Employment
The largest employment sector in Northampton County is professional & business services, accounting for 27.6% of workers.
How residents commute
1.1%
Drive alone
2.0%
Carpool
76.0%
Public transit
12.6%
Work from home
27.3 min
Avg commute
Housing
$285,000+$44,500 vs state
Median home value
$1,335
Median rent
71.1%
Homeownership rate
128,612
Total housing units
94.5%
Occupied
5.5%
Vacant
28.9%
Renter-occupied
Social & access
95.8%
With health insurance
93.5%
With broadband internet
29.4%
Foreign-born
6.5%
Veterans (18+)
12.2%
With a disability
85.3%
Speak language other than English at home
Education
92.7%
High School+
33.8%
Bachelor's+
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County rankings
Frequently Asked Questions
Northampton County, Pennsylvania has a population of 315,927 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in Pennsylvania. Population density is 854 people per square mile.
The population of Northampton County has grown 8.4% since 2010 (297,941 → 322,989), a +0.58% annualized rate.
The median household income in Northampton County, Pennsylvania is $86,687, with mean (average) household income of $113,739 and per-capita income of $44,837. 5.9% of residents live below the federal poverty level.
In Northampton County, the largest racial and ethnic groups are White (76.7%), Black or African American (5.9%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Northampton County, Pennsylvania is 42.0 years. Residents are 50.5% female and 49.5% male.
The median home value in Northampton County is $285,000 and median monthly rent is $1,335. 71.1% of occupied housing units are owner-occupied. The county has 128,612 total housing units, 5.5% of which are vacant.
The largest employment sector in Northampton County, Pennsylvania is professional, scientific, and management services, employing 27.6% of workers. The unemployment rate is 3.0%.
Philadelphia is among the largest cities associated with Northampton County, Pennsylvania, with a population of 1,582,432.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.