Marion Population

1850–2026

28,201

2026 projection

0.2% since 2020 (decrease)

010K20K30K40K186018801900192019401960198020002020

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 Marion. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202628,201-330.12%
202528,234+1200.43%
202428,114+420.15%
202328,072+1200.43%
202227,952-1280.46%
202128,080-1660.59%
202028,246+3101.11%
201927,936-1190.42%
201828,055-1500.53%
201728,205-1630.57%

Showing 10 of 32 years.

Marion Demographics

35.2median age

Median age

Female34.8 yrs
Male35.7 yrs

Adults

21,942
5,086 seniors · 23%16,856 other adults

Sex

Female 52.2% · 14,364Male 47.8% · 13,167

Population by age

MaleFemale85+ years, male: 21085+ years, female: 51080–84 years, male: 7580–84 years, female: 40075–79 years, male: 30675–79 years, female: 56670–74 years, male: 69270–74 years, female: 69465–69 years, male: 76665–69 years, female: 86760–64 years, male: 1,00060–64 years, female: 54855–59 years, male: 96555–59 years, female: 1,30450–54 years, male: 70950–54 years, female: 65045–49 years, male: 59445–49 years, female: 35040–44 years, male: 63240–44 years, female: 66135–39 years, male: 73235–39 years, female: 58830–34 years, male: 65230–34 years, female: 90525–29 years, male: 84025–29 years, female: 91020–24 years, male: 1,47220–24 years, female: 2,06815–19 years, male: 95415–19 years, female: 1,33510–14 years, male: 70010–14 years, female: 8045–9 years, male: 1,0735–9 years, female: 4940–4 years, male: 7950–4 years, female: 71085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

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 275 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

Marion Income

$43,343median household income

Median household income

$43,343

Half of households earn more, half earn less

Median earnings

$38,261

Typical yearly pay for a worker 25 or older.

Poverty rate

29.6%

About 1 in 3 residents

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

Marion Marital Status

28% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married28%30%27%
Never married42%42%42%
Divorced20%21%18%
Widowed9%6%12%
Separated1%1%<1%

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

Sources

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

Population

American Community Survey, 2024 5-year