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+
Largest cities in Pennsylvania
Other counties in Pennsylvania
Part of Pennsylvania
Metro areas in Pennsylvania
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.
Northampton County, PA Climate
Northampton County, PA has an average annual temperature of 9.9°C (50°F) and receives about 1182 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.9°C
Avg Temp
1182
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 26° | 88 mm |
| February | -2° / 28° | 72 mm |
| March | 3° / 37° | 92 mm |
| April | 9° / 47° | 96 mm |
| May | 15° / 58° | 117 mm |
| June | 19° / 67° | 105 mm |
| July | 22° / 72° | 111 mm |
| August | 22° / 71° | 106 mm |
| September | 18° / 64° | 110 mm |
| October | 11° / 52° | 94 mm |
| November | 6° / 42° | 101 mm |
| December | 0° / 32° | 90 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 Northampton County, PA
The most comfortable months to visit Northampton County, 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). May is usually the wettest month.
Where to stay near Northampton County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.