Plymouth Population

1880–2026

8,796

2026 projection

1.6% since 2020 (decrease)

02K4K6K8K10K18801900192019401960198020002020

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.
20268,796-250.28%
20258,821-200.23%
20248,841-340.38%
20238,875-100.11%
20228,885-60.07%
20218,891-480.54%
20208,939+2132.44%
20198,726+90.10%
20188,717+1932.26%
20178,52400.00%

Showing 10 of 30 years.

Plymouth Demographics

45.5median age

Median age

Female50.8 yrs
Male41.4 yrs

Adults

7,291
2,116 seniors · 29%5,175 other adults

Sex

Female 53.4% · 4,751Male 46.6% · 4,139

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 89 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

$68,038median household income

Median household income

$68,038

Half of households earn more, half earn less

Median earnings

$49,841

Typical yearly pay for a worker 25 or older.

Poverty rate

9.8%

About 1 in 10 residents

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

Plymouth Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%51%49%
Never married30%38%23%
Divorced12%9%14%
Widowed8%1%14%
Separated<1%2%<1%

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