Adams County, Pennsylvania Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 31st-largest in Pennsylvania

The population of Adams County, Pennsylvania is 105,183 as of the 2023 American Community Survey, making it the 31st-largest county in Pennsylvania. The median household income is $81,071, the median home value is $256,100, and the median age is 43.8.

The population of Adams County has grown 6.3% since 2010 (101,472 → 107,914), a +0.44% annualized rate.

Adams County within Pennsylvania · Source: US Census TIGER/Line via us-atlas

105,183

Population

+0.44%

Annual growth

203

People / sq mi

$81,071

Median Income

$256,100

Median Home Value

Adams County covers 519 sq mi of land at 202.8 people per square mile.

About Adams County, PA

Adams County is a county in Pennsylvania with a population of 105,183. It ranks #31 among counties in Pennsylvania by population. The median age is 43.8, older than the national median. The population is 49.7% male and 50.3% female.

The median household income in Adams County is $81,071, above the US median of $74,580. 5.4% of residents live below the federal poverty level. Home values sit at a median of $256,100, with monthly rent averaging $1,084. The homeownership rate of 79.1% is higher than the national rate of 64.8%.

Educational attainment in Adams County reflects 24.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 28.6 minutes each way.

Adams County Population History (2010-2024)

The county of Adams County had a population of 101,472 in 2010 and 107,914 in 2024, a 6.3% growth over 14 years. The peak was 107,914 in 2024. Average annual growth rate: 0.44%.

107,914

Population (2024)

101,472

Population (2010)

107,914

Peak (2024)

0.44%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	101,472	-	-	estimate
2011	101,476	+4	+0.00%	estimate
2012	101,265	-211	-0.21%	estimate
2013	101,156	-109	-0.11%	estimate
2014	101,376	+220	+0.22%	estimate
2015	101,847	+471	+0.46%	estimate
2016	101,952	+105	+0.10%	estimate
2017	102,629	+677	+0.66%	estimate
2018	103,035	+406	+0.40%	estimate
2019	102,776	-259	-0.25%	estimate
2020	103,802	+1,026	+1.00%	estimate
2021	105,696	+1,894	+1.82%	estimate
2022	106,017	+321	+0.30%	estimate
2023	107,147	+1,130	+1.07%	estimate
2024	107,914	+767	+0.72%	estimate

Race & Ethnicity

White	90.2%
Black or African American	1.9%
Asian	0.0%
Hispanic or Latino (any race)	1.0%
Two or More Races	0.0%

Age & Sex

43.8

Median Age

50.3%

Female

49.7%

Male

21.3%

Age 65+

Age Distribution

Under 5

4.7%

5–9

5.5%

10–14

5.9%

15–19

7.0%

20–24

6.6%

25–34

10.7%

35–44

10.8%

45–54

12.4%

55–59

7.2%

60–64

7.9%

65–74

12.7%

75–84

6.2%

85+

2.4%

Children (under 15): 16.1% · Seniors (65+): 21.3%

Income & Poverty

Median household income	$81,071+$4,990 vs state
Mean household income	$98,943
Per-capita income	$39,339
Poverty rate	5.4%-2.7% vs state
Unemployment rate	1.9%
Employment-to-population	60.9%

Top Industries by Employment

Professional & business services

23.9%

Manufacturing

15.2%

Construction

8.5%

Education & health care

8.3%

Finance & real estate

8.0%

Retail trade

5.2%

Public administration

5.2%

Arts, entertainment & food

5.1%

The largest employment sector in Adams County is professional & business services, accounting for 23.9% of workers.

How residents commute

0.2%

Drive alone

4.0%

Carpool

77.9%

Public transit

9.8%

Work from home

28.6 min

Avg commute

Housing

$256,100+$15,600 vs state

Median home value

$1,084

Median rent

79.1%

Homeownership rate

43,377

Total housing units

93.2%

Occupied

6.8%

Vacant

20.9%

Renter-occupied

Social & access

94.1%

With health insurance

92.9%

With broadband internet

34.1%

Foreign-born

8.0%

Veterans (18+)

14.2%

With a disability

93.5%

Speak language other than English at home

Education

90.7%

High School+

24.8%

Bachelor's+

Largest cities in Pennsylvania

Philadelphia (1,582,432)Pittsburgh (303,620)Allentown (125,320)Reading (94,836)Erie (94,156)Bethlehem (77,069)Scranton (76,074)Lancaster (57,683)Levittown (50,930)Harrisburg (50,092)All Pennsylvania cities →

Other counties in Pennsylvania

Philadelphia County (1,582,432)Allegheny County (1,240,476)Montgomery County (861,225)Bucks County (645,993)Delaware County (576,195)Lancaster County (555,151)Chester County (540,896)York County (459,312)Berks County (429,989)Lehigh County (375,408)All Pennsylvania counties →

Part of Pennsylvania

Pennsylvania demographic profile All Pennsylvania data →

Metro areas in Pennsylvania

Philadelphia (6,241,882)Pittsburgh (2,443,921)Allentown (866,764)Harrisburg (597,894)Scranton (567,887)Lancaster (555,151)York (459,312)Reading (429,989)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Adams County, Pennsylvania has a population of 105,183 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 31st-largest county in Pennsylvania. Population density is 203 people per square mile.

The population of Adams County has grown 6.3% since 2010 (101,472 → 107,914), a +0.44% annualized rate.

The median household income in Adams County, Pennsylvania is $81,071, with mean (average) household income of $98,943 and per-capita income of $39,339. 5.4% of residents live below the federal poverty level.

In Adams County, the largest racial and ethnic groups are White (90.2%), Black or African American (1.9%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Adams County, Pennsylvania is 43.8 years. Residents are 50.3% female and 49.7% male.

The median home value in Adams County is $256,100 and median monthly rent is $1,084. 79.1% of occupied housing units are owner-occupied. The county has 43,377 total housing units, 6.8% of which are vacant.

The largest employment sector in Adams County, Pennsylvania is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 1.9%.

Philadelphia is among the largest cities associated with Adams County, Pennsylvania, with a population of 1,582,432.