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.
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
Among US counties, Adams County stands out first on household income: a median of $81,071, near the US median of $78,538. Adams County is a county in Pennsylvania with a population of 105,183. It ranks #31 among counties in Pennsylvania by population.
Median household income is $81,071, near the US median of $78,538. Poverty is relatively low for US counties at 5.4%, below the national 12.4%. The median home value is $256,100, with typical rent around $1,084.
24.8% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is below the national 14.0% at 9.8%, and the average commute runs about 29 minutes each way.
Taken together, the income and housing figures place Adams County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
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 |
|---|---|
| 2010 | 101,472 |
| 2011 | 101,476 |
| 2012 | 101,265 |
| 2013 | 101,156 |
| 2014 | 101,376 |
| 2015 | 101,847 |
| 2016 | 101,952 |
| 2017 | 102,629 |
| 2018 | 103,035 |
| 2019 | 102,776 |
| 2020 | 103,802 |
| 2021 | 105,696 |
| 2022 | 106,017 |
| 2023 | 107,147 |
| 2024 | 107,914 |
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
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
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
Other counties in Pennsylvania
Part of Pennsylvania
Metro areas in Pennsylvania
County 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.
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Population, race, income, age, and trends across Pennsylvania
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.