Richland County Population

1790–2026

439.11K

2026 projection

5.6% since 2020 (increase)

0100K200K300K400K500K18001850190019502000

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 Richland County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026439,112+4,1560.96%
2025434,956+4,1560.96%
2024430,800+5,9281.40%
2023424,872+3,0860.73%
2022421,786+4,2131.01%
2021417,573+1,8180.44%
2020415,755-1,2720.31%
2019417,027+1,8680.45%
2018415,159+2,6670.65%
2017412,492+2,9230.71%

Showing 10 of 38 years.

Richland County Demographics

34.4median age

Median age

Female35.9 yrs
Male32.6 yrs

Adults

331,148
59,468 seniors (65+) · 18% of adults271,680 other adults

Sex

Female 52% · 219,359Male 48% · 202,758

Population by age

MaleFemale85+ years, male: 1,63985+ years, female: 3,72480–84 years, male: 2,55480–84 years, female: 3,10675–79 years, male: 4,84875–79 years, female: 6,44170–74 years, male: 6,78870–74 years, female: 9,14165–69 years, male: 9,75065–69 years, female: 11,47760–64 years, male: 11,72560–64 years, female: 12,70955–59 years, male: 10,24055–59 years, female: 12,75150–54 years, male: 11,28050–54 years, female: 12,55745–49 years, male: 11,30145–49 years, female: 12,79140–44 years, male: 13,27940–44 years, female: 12,76335–39 years, male: 11,77735–39 years, female: 15,31230–34 years, male: 14,26930–34 years, female: 15,57425–29 years, male: 15,06125–29 years, female: 15,85420–24 years, male: 22,61620–24 years, female: 21,13315–19 years, male: 17,70115–19 years, female: 17,63510–14 years, male: 13,72010–14 years, female: 12,9865–9 years, male: 12,2855–9 years, female: 12,0590–4 years, male: 11,9250–4 years, female: 11,34685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–410K10K20K20K

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 4,221 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

Richland County Income

$63,784median household income

Median household income

$63,784

Half of households earn more, half earn less

Median earnings

$47,595

Typical yearly pay for a worker 25 or older.

Poverty rate

17.2%

About 1 in 6 residents

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

Richland County Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%42%37%
Never married43%45%41%
Divorced10%8%12%
Widowed5%3%8%
Separated2%2%2%

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