Marietta Population

1900–2026

3,003

2026 projection

5% since 2020 (increase)

05001K1.5K2K2.5K3K3.5K1900192019401960198020002020

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 Marietta. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,003+210.70%
20252,982+391.33%
20242,943+491.69%
20232,894+431.51%
20222,851-220.77%
20212,873+140.49%
20202,859+1114.04%
20192,748+100.37%
20182,738-60.22%
20172,744+60.22%

Showing 10 of 28 years.

Marietta Demographics

30.5median age

Median age

Female31.1 yrs
Male29.8 yrs

Adults

1,988
380 seniors · 19%1,608 other adults

Sex

Female 52.1% · 1,494Male 47.9% · 1,371

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 29 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

Marietta Income

$51,838median household income

Median household income

$51,838

Half of households earn more, half earn less

Median earnings

$36,250

Typical yearly pay for a worker 25 or older.

Poverty rate

20.6%

About 1 in 5 residents

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

Marietta Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%48%40%
Never married34%35%32%
Divorced14%12%15%
Widowed6%4%9%
Separated3%1%5%

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