City · Minnesota

Cottage Grove, Minnesota

Cottage Grove, city, in Washington County, Minnesota. Cottage Grove had 43,604 residents on July 1, 2025 by the Census Bureau's estimate, up 12.3% since 2020; the 2020 Census counted 38,839 and the ACS 2020-2024 5-year estimates put it at 40,992 (±50). GEOID 2713456.

Residents, July 2025 estimate

43,604

Census Bureau estimate (no margin published)
2020 Census count: 38,839 · ACS 2020-2024: 40,992 ±50

Median household income

$120,791

±$6,247 (90% margin)
Minnesota: $89,062

Median home value

$378,800

±$8,121 (90% margin)
Minnesota: $329,300

Median gross rent

$1,783

±$161 (90% margin)
Minnesota: $1,280

Where is Cottage Grove and what county is it in?

Cottage Grove is a city in Washington County, Minnesota. It covers 33.6 square miles of land, 1,155 residents per square mile in 2020.

Cottage Grove is in the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan statistical area, which takes in 15 counties (Census Bureau delineation, July 2023).

Cottage Grove (marked with a dot) in Washington County, Minnesota. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Cottage Grove, and is it growing?

The Census Bureau estimates that 43,604 people lived in Cottage Grove on July 1, 2025, up 12.3% since 2020, faster than Minnesota (+2.2%). The 2020 Census counted 38,839 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 40,992 (±50).

  • July 2020→2021 +981 (39,966)
  • 2021→2022 +1,091 (41,057)
  • 2022→2023 +983 (42,040)
  • 2023→2024 +587 (42,627)
  • 2024→2025 +977 (43,604)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure Cottage GroveWashington CountyMinnesota Change since 2015-2019
Total population 40,992 ±50 276,238 5,739,445 +4,390
Households 14,395 ±334 105,577 2,307,955 +2,233
Average household size 2.84 ±0.07 2.58 2.43 −0.16
Housing units 14,487 ±343 109,307 2,545,030 +1,844

Cottage Grove's population since 2000

From 30,582 in 2000 to 43,604 in 2025: up 42.6%. The 2000, 2010 and 2020 figures are census counts, each for Cottage Grove as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 30,582
  • 2005 (estimate) 32,580
  • 2010 Census 34,589
  • 2015 (estimate) 35,752
  • 2020 Census 38,839
  • 2025 (estimate) 43,604

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Cottage Grove?

The median resident of Cottage Grove is 36.5 years old; 25.4% are under 18 and 14.1% are 65 or older. The largest group is non-Hispanic white residents at 73.6%, then Hispanic or Latino residents (of any race) at 7.6%. 8.4% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Cottage GroveWashington CountyMinnesota Change since 2015-2019
Median age 36.5 ±0.9 39.8 38.8 no clear change
Under 18 years 25.4% ±1.3 pts 24.0% 22.9% –
65 years and over 14.1% ±1.4 pts 16.6% 17.3% –
Male 49.5% ±1.4 pts 49.7% 50.1% –
Hispanic or Latino (any race) 7.6% ±1.4 pts 5.3% 6.4% +3.1 pts
White alone, not Hispanic 73.6% ±2.4 pts 77.2% 75.9% −7.3 pts
Black or African American alone, not Hispanic 6.1% ±1.2 pts 5.5% 6.9% no clear change
Asian alone, not Hispanic 7.3% ±1.3 pts 7.7% 5.1% no clear change
American Indian and Alaska Native alone, not Hispanic 0.1% ±0.1 pts 0.2% 0.7% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.1 pts 0.0% 0.0% –
Two or more races, not Hispanic 5.0% ±1.7 pts 3.7% 4.5% –
Some other race alone, not Hispanic 0.3% ±0.3 pts 0.5% 0.5% –
Born outside the United States 8.4% ±1.2 pts 8.5% 8.7% +1.7 pts
Speak a language other than English at home (age 5+) 14.8% ±2.0 pts 12.5% 12.4% –
Civilian veterans (age 18+) 5.2% ±1.0 pts 5.4% 5.9% –
With a disability 9.2% ±1.1 pts 9.9% 11.6% –
No health insurance coverage 2.7% ±0.7 pts 3.5% 4.7% no clear change
High school graduate or higher (age 25+) 95.1% ±1.1 pts 96.1% 93.9% –
Bachelor's degree or higher (age 25+) 40.8% ±2.7 pts 49.1% 39.4% +4.5 pts
Graduate or professional degree (age 25+) 12.3% ±1.9 pts 17.4% 13.8% –
Lived in the same house a year earlier 88.4% ±2.1 pts 88.9% 87.8% –
Moved from another state in the past year 1.4% ±0.8 pts 1.7% 1.8% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Cottage Grove earn?

Half of Cottage Grove's 14,395 households earn less than $120,791 a year (±$6,247), against $115,345 in Washington County and $89,062 in Minnesota. In 2015-2019 it was $125,579 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure Cottage GroveWashington CountyMinnesota Change since 2015-2019
Median household income $120,791 ±$6,247 $115,345 $89,062 no clear change
Mean household income $141,179 ±$7,102 $148,415 $118,304 –
Per capita income $49,540 ±$2,614 $56,954 $48,237 no clear change
People below the poverty line 4.2% ±1.3 pts 5.1% 9.3% +1.9 pts
Children under 18 below the poverty line 4.1% ±3.0 pts 5.0% 10.3% –
Households receiving SNAP 4.2% ±1.2 pts 4.1% 7.9% –
Households with a computer 97.0% ±1.2 pts 97.6% 95.8% –
Households with a broadband subscription 94.4% ±1.5 pts 94.9% 91.6% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Cottage Grove?

Owners occupy 88.2% of Cottage Grove's occupied homes and renters 11.8%. The median owner-occupied home is valued at $378,800 by its owner (±$8,121). The median renter pays $1,783 a month including utilities, and 45.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure Cottage GroveWashington CountyMinnesota Change since 2015-2019
Median home value (owner-occupied) $378,800 ±$8,121 $422,000 $329,300 +$71,373
Median gross rent $1,783 ±$161 $1,710 $1,280 no clear change
Renters paying 35% or more of income on rent 45.1% ±11.7 pts 41.0% 38.4% no clear change
Median monthly owner costs, with a mortgage $2,254 ±$56 $2,275 $1,947 –
Owner-occupied homes 88.2% ±1.9 pts 81.3% 72.2% no clear change
Renter-occupied homes 11.8% ±1.9 pts 18.7% 27.8% –
Housing units 14,487 ±343 109,307 2,545,030 +1,844
Homeowner vacancy rate 0.3% ±0.4 pts 0.5% 0.6% –
Rental vacancy rate 0.0% ±1.3 pts 5.3% 5.3% –
Single-family detached homes 78.1% ±2.3 pts 67.1% 66.0% –
Mobile homes 0.4% ±0.3 pts 1.8% 2.9% –
Built 2020 or later 7.4% ±1.3 pts 4.3% 1.9% –
Built 2010 to 2019 9.2% ±1.9 pts 11.5% 8.5% –
Built 1939 or earlier 1.6% ±0.9 pts 6.1% 15.6% –
Households with no vehicle 3.8% ±1.3 pts 3.8% 6.7% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Cottage Grove building?

Builders took permits for 426 new housing units in Cottage Grove in 2025 (282 in single-family houses), 9.8 per 1,000 residents against 3.6 across Minnesota.

  • 2019 293 units
  • 2020 505 units
  • 2021 590 units
  • 2022 554 units
  • 2023 290 units
  • 2024 334 units
  • 2025 426 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Cottage Grove work and get to work?

69.2% of Cottage Grove's workers drive alone and 21.1% work from home. The average trip to work takes 23.9 minutes. The unemployment rate in 2020-2024 averaged 3.7%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure Cottage GroveWashington CountyMinnesota Change since 2015-2019
In the labor force (age 16+) 73.0% ±1.9 pts 68.3% 68.1% –
Unemployment rate 3.7% ±1.2 pts 3.4% 4.1% +1.9 pts
Drove alone to work 69.2% ±2.5 pts 66.3% 68.9% –
Carpooled 8.2% ±1.3 pts 7.5% 7.5% –
Public transportation 0.3% ±0.2 pts 0.6% 1.8% –
Walked 0.5% ±0.4 pts 0.9% 2.5% –
Worked from home 21.1% ±2.0 pts 23.6% 17.6% +16.3 pts
Mean travel time to work 23.9 min ±1.0 24.0 min 22.7 min no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Cottage Grove?

6 census tracts lie mostly in Cottage Grove (2020 census blocks). Their median household incomes run from $96,707 (Tract 712.10) to $142,689 (Tract 712.11).

Census tracts in Cottage Grove, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Cottage Grove
Tract 712.07Washington County9,550 $134,940 $424,600100%
Tract 714Washington County8,800 $109,457 $353,30084%
Tract 712.08Washington County6,251 $116,374 $313,900100%
Tract 712.11Washington County6,188 $142,689 $487,900100%
Tract 712.09Washington County5,825 $137,083 $388,700100%
Tract 712.10Washington County4,642 $96,707 $394,000100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Cottage Grove) · Census block assignment files

How does Cottage Grove compare with other places in Minnesota?

By the Census Bureau's July 2025 estimates, Cottage Grove is the 952nd-most populous of the 19,476 U.S. incorporated places that have one and the 24th-most populous of 855 in Minnesota.

Cottage Grove ranks 92nd of 558 places in Minnesota with 1,000 or more residents and a reliable estimate, by median household income.

Cottage Grove's rank in Minnesota (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate24th855
Growth 2020-2025 (PEP)27th556
Residents per square mile175th562
Median household income92nd558
Per capita income161st562
Median home value161st559
Median gross rent39th465
Poverty rate379th461
Bachelor's degree or higher124th559
Median age460th561
Owner-occupied share234th561
Work from home79th525
Travel time to work275th562

Cottage Grove's figures with every place in Minnesota (CSV)

Every place in Minnesota, sortable · Compare Cottage Grove with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Cottage Grove?

9 of the 57 figures for Cottage Grove on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Cottage Grove are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Cottage Grove.