Clarendon County Population

1790–2026

31,033

2026 projection

0.7% 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 Clarendon County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202631,033-100.03%
202531,043-100.03%
202431,053-530.17%
202331,106+1410.46%
202230,965-20.01%
202130,967+1350.44%
202030,832-2,9718.79%
201933,803+310.09%
201833,772-2810.83%
201734,053-2300.67%

Showing 10 of 32 years.

Clarendon County Demographics

45.9median age

Median age

Female49.6 yrs
Male43.2 yrs

Adults

25,344
7,727 seniors (65+) · 30% of adults17,617 other adults

Sex

Female 50.5% · 15,646Male 49.5% · 15,340

Population by age

MaleFemale85+ years, male: 36885+ years, female: 43480–84 years, male: 38680–84 years, female: 50075–79 years, male: 64575–79 years, female: 83670–74 years, male: 1,01770–74 years, female: 1,36165–69 years, male: 1,00565–69 years, female: 1,17560–64 years, male: 1,12260–64 years, female: 1,51355–59 years, male: 1,07055–59 years, female: 96250–54 years, male: 93450–54 years, female: 1,00445–49 years, male: 77645–49 years, female: 77940–44 years, male: 1,06140–44 years, female: 84135–39 years, male: 61335–39 years, female: 84430–34 years, male: 83830–34 years, female: 90225–29 years, male: 91225–29 years, female: 84620–24 years, male: 1,14120–24 years, female: 71515–19 years, male: 1,05015–19 years, female: 80010–14 years, male: 1,07110–14 years, female: 7955–9 years, male: 5955–9 years, female: 6810–4 years, male: 7360–4 years, female: 65885+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 310 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

Clarendon County Income

$52,401median household income

Median household income

$52,401

Half of households earn more, half earn less

Median earnings

$36,826

Typical yearly pay for a worker 25 or older.

Poverty rate

15.4%

About 1 in 6 residents

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

Clarendon County Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%48%43%
Never married33%38%29%
Divorced9%7%12%
Widowed9%5%13%
Separated3%2%4%

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