Grinnell Population

2010–2026

251

2026 projection

4.2% since 2020 (decrease)

050100150200250300201020122014201620182020202220242026

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 Grinnell. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026251-20.79%
2025253-31.17%
2024256-72.66%
2023263-20.75%
2022265-10.38%
2021266+41.53%
2020262+2912.45%
2019233+20.87%
2018231-52.12%
2017236-41.67%

Showing 10 of 17 years.

Grinnell Demographics

41.3median age

Median age

Female41 yrs
Male42.8 yrs

Adults

247
96 seniors · 39%151 other adults

Sex

Female 50.9% · 174Male 49.1% · 168

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 3 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

Grinnell Income

$67,500median household income

Median household income

$67,500

Half of households earn more, half earn less

Median earnings

$50,625

Typical yearly pay for a worker 25 or older.

Poverty rate

2.9%

About 1 in 34 residents

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

Grinnell Marital Status

69% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married69%63%74%
Never married14%18%9%
Divorced9%8%10%
Widowed9%11%7%
Separated0%0%0%

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