Plymouth Population

1870–2026

5,813

2026 projection

1.2% since 2020 (increase)

05K10K15K20K18801900192019401960198020002020

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 Plymouth. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,813+120.21%
20255,801+70.12%
20245,794+280.49%
20235,766+190.33%
20225,747-70.12%
20215,754+100.17%
20205,744-280.49%
20195,772-220.38%
20185,794-100.17%
20175,804+20.03%

Showing 10 of 31 years.

Plymouth Demographics

38.1median age

Median age

Female40.3 yrs
Male35.8 yrs

Adults

4,172
898 seniors · 22%3,274 other adults

Sex

Female 47.6% · 2,748Male 52.4% · 3,022

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 58 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

Plymouth Income

$39,167median household income

Median household income

$39,167

Half of households earn more, half earn less

Median earnings

$36,114

Typical yearly pay for a worker 25 or older.

Poverty rate

24.1%

About 1 in 4 residents

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

Plymouth Marital Status

34% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married34%35%33%
Never married44%51%36%
Divorced12%8%17%
Widowed8%5%12%
Separated2%2%2%

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