Chester County Population

1790–2026

33,455

2026 projection

3.6% since 2020 (increase)

05K10K15K20K25K30K35K18001850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Chester County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202633,455+4541.38%
202533,001+4541.39%
202432,547+3200.99%
202332,227+2410.75%
202231,986-1830.57%
202132,169-1180.37%
202032,287+1010.31%
201932,186-950.29%
201832,281-190.06%
201732,300+10.00%

Showing 10 of 38 years.

Chester County Demographics

42.4median age

Median age

Female43 yrs
Male41.2 yrs

Adults

24,999
6,189 seniors (65+) · 25% of adults18,810 other adults

Sex

Female 51.5% · 16,588Male 48.5% · 15,594

Population by age

MaleFemale85+ years, male: 16185+ years, female: 34780–84 years, male: 31880–84 years, female: 52675–79 years, male: 54575–79 years, female: 49970–74 years, male: 69470–74 years, female: 83465–69 years, male: 1,06265–69 years, female: 1,20360–64 years, male: 1,14460–64 years, female: 1,04455–59 years, male: 1,16455–59 years, female: 1,31450–54 years, male: 1,05150–54 years, female: 1,13945–49 years, male: 90945–49 years, female: 1,00940–44 years, male: 90440–44 years, female: 1,17935–39 years, male: 84835–39 years, female: 74630–34 years, male: 95830–34 years, female: 1,08925–29 years, male: 79625–29 years, female: 1,00020–24 years, male: 1,06620–24 years, female: 84615–19 years, male: 1,06915–19 years, female: 92210–14 years, male: 98910–14 years, female: 1,2355–9 years, male: 1,0575–9 years, female: 7820–4 years, male: 8590–4 years, female: 87485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 322 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Chester County Income

$52,458median household income

Median household income

$52,458

Half of households earn more, half earn less

Median earnings

$39,183

Typical yearly pay for a worker 25 or older.

Poverty rate

18.7%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Chester County Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%50%45%
Never married31%33%29%
Divorced11%10%12%
Widowed8%5%11%
Separated3%2%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year