Plymouth, Indiana

Plymouth population, 2020 to 2024

Plymouth added 828 residents from July 2020 to July 2024, a change of +8.1%. In the latest year it moved by +65. Among 126 Indiana places of 5,000 or more, that growth ranks 17th; the median place changed by +1.0%. The median place of 5,000+ in Indiana has 14,565 people, so Plymouth is 76% of it.

Plymouth covers 7.57 square miles of land and 0.05 of water, for 1,459 people per square mile of land. The median Indiana place of 5,000+ has 1,645, so Plymouth is less dense than the typical town.

What county Plymouth is in

All of Plymouth's residents live in Marshall County, which had 46,464 residents in 2024. Plymouth holds 23.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Plymouth

1 ZIP Code Tabulation Area (ZCTA) overlaps Plymouth by at least 10% of the ZCTA's or the city's land: 46563. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Plymouth is

The Census internal point of Plymouth is at 41.348800, -86.319300. Indianapolis, the capital, is 109.5 miles S in a straight line. The nearest larger place is South Bend, IN (103,713 people), 22.8 miles away.

Daylight in Plymouth

At 41.35° N, Plymouth gets about 15 h 10 min of daylight around the June solstice and 9 h 11 min around the December solstice, a swing of 5 h 59 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Plymouth

The eight nearest incorporated places of 1,000+ in Indiana, measured between internal points. The closest is Argos, 8.4 miles away, with 1,750 people.