Plymouth Micro
Plymouth has lower-than-average household income, with a median household income of $71,808. Population has held roughly steady since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $204,900. It sits in the top 10% of US metro areas for household income.
Population & growth
PEP 2025 EST:46,599 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Principal cities
1 component county
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How many people live in Plymouth, IN?
Plymouth, IN has about 46,284 residents according to the 2024 American Community Survey.
What is the median household income in Plymouth, IN?
The typical household in Plymouth, IN earns about $71,808 a year. Half of households make more than that, and half make less.
Is Plymouth, IN expensive?
In Plymouth, IN, the median home is worth about $204,900, and the typical rent is about $938 a month.
How educated are people in Plymouth, IN?
About 20.9% of adults age 25 and over in Plymouth, IN hold a bachelor's degree or higher.
What is the poverty rate in Plymouth, IN?
About 11.7% of people in Plymouth, IN live below the federal poverty line.
Has Plymouth, IN grown since 1990?
Yes, Plymouth, IN has grown since 1990. The population has added about 4,102 residents, a change of about 10 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024