Aiken Population

1880–2026

33,899

2026 projection

5.9% since 2020 (increase)

05K10K15K20K25K30K35K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Aiken. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202633,899+910.27%
202533,808+1,2643.88%
202432,544-2820.86%
202332,826+4051.25%
202232,421+1450.45%
202132,276+2510.78%
202032,025+1950.61%
201931,830+2060.65%
201831,624+1770.56%
201731,447+2080.67%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Aiken is growing faster than the U.S., and slower than Aiken County and South Carolina.

  • South Carolina+8.5%
  • Aiken County+7.3%
  • Aiken+5.1%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Aiken Demographics

46.6median age

Median age

Female48.7 yrs
Male44.3 yrs

Adults

26,903
9,475 seniors (65+) · 35% of adults17,428 other adults

Sex

Female 55.1% · 17,912Male 44.9% · 14,609

Population by age

MaleFemale85+ years, male: 50885+ years, female: 94280–84 years, male: 63380–84 years, female: 71575–79 years, male: 70975–79 years, female: 1,10670–74 years, male: 78570–74 years, female: 1,17665–69 years, male: 1,29865–69 years, female: 1,60360–64 years, male: 95760–64 years, female: 1,43355–59 years, male: 75155–59 years, female: 88650–54 years, male: 75150–54 years, female: 73145–49 years, male: 83145–49 years, female: 1,06740–44 years, male: 50340–44 years, female: 82035–39 years, male: 87835–39 years, female: 87630–34 years, male: 1,15430–34 years, female: 97925–29 years, male: 94625–29 years, female: 59320–24 years, male: 1,05120–24 years, female: 1,23415–19 years, male: 72515–19 years, female: 1,30910–14 years, male: 1,03210–14 years, female: 8625–9 years, male: 6335–9 years, female: 1,0530–4 years, male: 4640–4 years, female: 52785+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 325 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

Aiken Income

$76,746median household income

Median household income

$76,746

Half of households earn more, half earn less

Median earnings

$46,308

Typical yearly pay for a worker 25 or older.

Poverty rate

17%

About 1 in 6 residents

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

Aiken Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%49%42%
Never married32%33%32%
Divorced11%9%12%
Widowed9%4%13%
Separated4%5%2%

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