Plymouth Population

1850–2026

3,138

2026 projection

5.1% since 2020 (decrease)

01K2K3K4K5K186018801900192019401960198020002020

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.
20263,138-321.01%
20253,170-100.31%
20243,180-290.90%
20233,209-190.59%
20223,228-451.37%
20213,273-351.06%
20203,308-722.13%
20193,380-461.34%
20183,426-511.47%
20173,477-461.31%

Showing 10 of 33 years.

Plymouth Demographics

48.6median age

Median age

Female57.9 yrs
Male29 yrs

Adults

2,541
935 seniors · 37%1,606 other adults

Sex

Female 39.1% · 1,272Male 60.9% · 1,978

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 33 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

$34,521median household income

Median household income

$34,521

Half of households earn more, half earn less

Median earnings

$31,369

Typical yearly pay for a worker 25 or older.

Poverty rate

29.9%

About 1 in 3 residents

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

Plymouth Marital Status

27% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married27%21%36%
Never married41%64%11%
Divorced18%9%29%
Widowed12%6%19%
Separated2%0%5%

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