Cottage Grove Population

1900–2026

10,858

2026 projection

2% since 2020 (increase)

02K4K6K8K10K12K1900192019401960198020002020

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 Cottage Grove. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202610,858+70.06%
202510,851+1731.62%
202410,678-270.25%
202310,705-720.67%
202210,777+970.91%
202110,680+310.29%
202010,649+1921.84%
201910,457+830.80%
201810,374+1921.89%
201710,182+1241.23%

Showing 10 of 28 years.

Cottage Grove Demographics

38.9median age

Median age

Female42.2 yrs
Male36.2 yrs

Adults

8,334
1,819 seniors · 22%6,515 other adults

Sex

Female 49% · 5,246Male 51% · 5,452

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 107 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

Cottage Grove Income

$80,875median household income

Median household income

$80,875

Half of households earn more, half earn less

Median earnings

$44,314

Typical yearly pay for a worker 25 or older.

Poverty rate

10.7%

About 1 in 9 residents

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

Cottage Grove Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%48%47%
Never married32%37%28%
Divorced12%13%11%
Widowed8%2%14%
Separated<1%0%<1%

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