• county
  • FIPS 42095
  • Largest town: Bethlehem

Northampton County, Pennsylvania

Northampton County had 322,989 residents in the Census Vintage 2024 estimate, on 369.8 square miles of land. It ranks 13th of 67 in Pennsylvania by population and 59th by land area.

Population
322,989
#13 of 67 in Pennsylvania · #229 in US
Area
369.8 sq mi
#59 of 67 in Pennsylvania · #2,631 in US
Density
873 / sq mi
#7 of 67 in Pennsylvania · #176 in US
Median household income
$84,051
#5 of 67 in Pennsylvania · #349 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Northampton County within Pennsylvania. Pin: Harrisburg.

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Tools and pages that start from Northampton County

Northampton County population, land area and income

Northampton County had 322,989 residents in the Census Vintage 2024 estimate, on 369.8 square miles of land. It ranks 13th of 67 in Pennsylvania by population and 59th by land area. That works out to 873.4 people per square mile, 9.1 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Pennsylvania has 82,953 residents, so Northampton County is 3.9 times that size.

Its SAIPE 2023 median household income of $84,051 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

322,989

3144th1st

229th of 3,144 (US)

Land area

370 sq mi

3144th1st

2631st of 3,144 (US)

Density

873.4 / sq mi

3144th1st

176th of 3,144 (US)

Median household income

$84,051

3143rd1st

349th of 3,143 (US)

Rank within Pennsylvania (67)

Population

322,989

67th1st

13th of 67 (PA)

Land area

370 sq mi

67th1st

59th of 67 (PA)

Density

873.4 / sq mi

67th1st

7th of 67 (PA)

Median household income

$84,051

67th1st

5th of 67 (PA)

How Northampton County's population changed since 2020

Northampton County gained 10,179 residents between the July 2020 and July 2024 estimates, a rise of 3.3%. That ranks 5th of 67 in Pennsylvania for growth. The median Pennsylvania county changed by -0.5%, and the state as a whole by +0.6%.

Since the April 2020 estimates base, Northampton County recorded 11,593 births and 14,562 deaths, a natural change of -2,969. Net international migration added +4,229 and net domestic migration, people moving to or from other US counties, came to +9,051. The largest single component was domestic migration, which added 9,051 people.

312.8k2020318.2k2021318.0k2022320.8k2023323.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
11,593
Deaths
14,562
Net international migration
+4,229
Net domestic migration
+9,051
Change, July 2023 to July 2024
+2,145

Where Northampton County is

The Census internal point of Northampton County is at 40.752800, -75.307400. It sits in UTM zone 18N. The map shades Pennsylvania's 67 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Northampton County outlined. Dots are towns of 1,000+ people with residents in it.

Adams County: +4.0%Potter County: -2.4%Sullivan County: +1.6%Bucks County: +0.6%Carbon County: +1.5%McKean County: -2.3%Montour County: -0.1%Fulton County: -0.9%Columbia County: +2.0%Cameron County: -4.1%Elk County: -2.6%Bradford County: -0.4%Bedford County: +0.1%York County: +3.2%Monroe County: -1.1%Forest County: -5.2%Berks County: +2.4%Cambria County: -2.3%Franklin County: +2.1%Snyder County: -0.3%Somerset County: -2.5%Clarion County: -0.9%Indiana County: -0.2%Lackawanna County: +0.6%Wyoming County: -1.0%Lawrence County: -2.0%Mercer County: -2.2%Lehigh County: +3.0%Northampton County: +3.3%Cumberland County: +5.9%Fayette County: -3.6%Jefferson County: -2.5%Centre County: +1.2%Lebanon County: +1.4%Union County: -1.2%Clinton County: +1.3%Chester County: +4.8%Montgomery County: +2.6%Wayne County: +0.5%Pike County: +6.5%Susquehanna County: -0.6%Allegheny County: -1.4%Clearfield County: -2.9%Butler County: +2.7%Beaver County: -1.4%Crawford County: -2.1%Washington County: +0.5%Venango County: -1.7%Warren County: -3.0%Blair County: -2.0%Huntingdon County: -1.6%Lancaster County: +1.9%Luzerne County: +1.9%Westmoreland County: -1.0%Juniata County: -0.4%Armstrong County: -2.7%Tioga County: -0.8%Delaware County: +1.4%Northumberland County: -1.7%Mifflin County: -0.5%Lycoming County: -0.8%Perry County: +2.1%Philadelphia County: -1.7%Schuylkill County: +1.1%Dauphin County: +2.2%Greene County: -5.3%Erie County: -1.1%
Change 2020 to 2024
  1. < -2.2%
  2. < -1.0%
  3. < +0.1%
  4. < +1.9%
  5. ≥ +1.9%
no data

Orange pin: Northampton County internal point. Dark pin: Harrisburg.

Internal point

Decimal
40.752800, -75.307400
DMS
40°45'10.08"N 75°18'26.64"W
UTM
18N 474050.8E 4511361.5N
Geohash
dr4ry6ff6
Plus code
87G6QM3V+42

Towns in Northampton County

17 incorporated places of 1,000+ people have residents in Northampton County, 149,185 people together, or 46% of the county. Each figure counts only the part of the town inside Northampton County; towns marked "part" extend into another county. The largest is Bethlehem with 59,069.

  1. 01Bethlehem (part)59,069
  2. 02Easton30,432
  3. 03Northampton10,587
  4. 04Wilson8,169
  5. 05Hellertown6,145
  6. 06Nazareth6,088
  7. 07Bangor5,171
  8. 08Wind Gap3,625
  9. 09Pen Argyl3,484
  10. 10North Catasauqua3,126
  11. 11Freemansburg2,973
  12. 12Bath2,905
  13. 13Walnutport2,100
  14. 14Roseto1,564
  15. 15Tatamy1,390
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Northampton County

The Census 2024 county adjacency file lists 5 neighbors for Northampton County, including 1 across a state line. The most populous is Bucks County, PA, with 650,131 residents. Distances run between Census internal points in a straight line.

Distance to Harrisburg and the nearest big city

Harrisburg is 89.4 miles WSW of Northampton County's internal point in a straight line. The nearest place of 100,000 or more is Allentown, PA (population 127,138), 14.2 miles away. The nearest place of 10,000 or more is Easton, PA (population 30,432), 6.6 miles away.

Northampton County FIPS code

The FIPS code of Northampton County is 42095: state code 42 for Pennsylvania plus county code 095. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $84,051.

Questions people ask

What is the population of Northampton County, Pennsylvania?

The Census Vintage 2024 estimate for July 1, 2024 is 322,989. That is up 10,179 people (3.3%) from the July 2020 estimate of 312,810.

What is the FIPS code of Northampton County?

42095. The first two digits (42) are Pennsylvania; the last three (095) identify the county.

What is the largest town in Northampton County?

Bethlehem, with 59,069 residents inside Northampton County in 2024 (79,453 across all 2 counties it spans).

Which counties border Northampton County?

5 county-equivalents border it in the Census 2024 adjacency file: Bucks County, PA; Lehigh County, PA; Monroe County, PA; Warren County, NJ; Carbon County, PA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.