Marion Population

1880–2026

13,323

2026 projection

3.2% since 2020 (decrease)

02K4K6K8K10K12K14K18801900192019401960198020002020

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.
202613,323-550.41%
202513,378-1631.20%
202413,541-1030.75%
202313,644+870.64%
202213,557-870.64%
202113,644-1160.84%
202013,760+1,45711.84%
201912,303-690.56%
201812,372-280.23%
201712,400-1140.91%

Showing 10 of 25 years.

Marion Demographics

35.8median age

Median age

Female37.1 yrs
Male33.7 yrs

Adults

9,757
1,714 seniors · 18%8,043 other adults

Sex

Female 52.4% · 7,134Male 47.6% · 6,489

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 136 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

$78,330median household income

Median household income

$78,330

Half of households earn more, half earn less

Median earnings

$51,073

Typical yearly pay for a worker 25 or older.

Poverty rate

8.7%

About 1 in 12 residents

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

Marion Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%52%46%
Never married32%35%30%
Divorced12%10%15%
Widowed6%3%9%
Separated1%2%<1%

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