Cottage Grove Population

1930–2026

9,317

2026 projection

26.2% since 2020 (increase)

02K4K6K8K10K19401960198020002020

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.
20269,317+3874.33%
20258,930-40.04%
20248,934+1191.35%
20238,815+1391.60%
20228,676-430.49%
20218,719+1,33418.06%
20207,385+2313.23%
20197,154+420.59%
20187,112+1422.04%
20176,970-290.41%

Showing 10 of 25 years.

Cottage Grove Demographics

37.5median age

Median age

Female37.1 yrs
Male38.2 yrs

Adults

6,536
1,006 seniors · 15%5,530 other adults

Sex

Female 49.1% · 4,176Male 50.9% · 4,337

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 85 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

$139,313median household income

Median household income

$139,313

Half of households earn more, half earn less

Median earnings

$68,544

Typical yearly pay for a worker 25 or older.

Poverty rate

3.7%

About 1 in 27 residents

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

Cottage Grove Marital Status

60% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married60%61%59%
Never married28%30%26%
Divorced6%4%7%
Widowed5%3%7%
Separated<1%1%<1%

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