City · Minnesota

Lake St. Croix Beach, Minnesota

Lake St. Croix Beach, city, in Washington County, Minnesota. Lake St. Croix Beach had 1,005 residents on July 1, 2025 by the Census Bureau's estimate, down 3.6% since 2020; the 2020 Census counted 1,043 and the ACS 2020-2024 5-year estimates put it at 1,105 (±202). GEOID 2734865.

Residents, July 2025 estimate

1,005

Census Bureau estimate (no margin published)
2020 Census count: 1,043 · ACS 2020-2024: 1,105 ±202

Median household income

$102,159

±$21,228 (90% margin)
Minnesota: $89,062

Median home value

$363,800

±$37,079 (90% margin)
Minnesota: $329,300

Median gross rent

$1,563

±$1,427 (90% margin)
Minnesota: $1,280

Where is Lake St. Croix Beach and what county is it in?

Lake St. Croix Beach is a city in Washington County, Minnesota. It covers 0.6 square miles of land, 1,856 residents per square mile in 2020.

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

Lake St. Croix Beach (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 Lake St. Croix Beach, and is it growing?

The Census Bureau estimates that 1,005 people lived in Lake St. Croix Beach on July 1, 2025, down 3.6% since 2020, while Minnesota grew 2.2%. The 2020 Census counted 1,043 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,105 (±202).

  • July 2020→2021 −8 (1,034)
  • 2021→2022 −11 (1,023)
  • 2022→2023 −14 (1,009)
  • 2023→2024 −6 (1,003)
  • 2024→2025 +2 (1,005)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure Lake St. Croix BeachWashington CountyMinnesota Change since 2015-2019
Total population 1,105 ±202 276,238 5,739,445 no clear change
Households 467 ±84 105,577 2,307,955 no clear change
Average household size 2.36 ±0.18 2.58 2.43 no clear change
Housing units 493 ±88 109,307 2,545,030 no clear change

Lake St. Croix Beach's population since 2000

From 1,140 in 2000 to 1,005 in 2025: down 11.8%. The 2000, 2010 and 2020 figures are census counts, each for Lake St. Croix Beach 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 1,140
  • 2005 (estimate) 1,085
  • 2010 Census 1,051
  • 2015 (estimate) 1,074
  • 2020 Census 1,043
  • 2025 (estimate) 1,005

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 Lake St. Croix Beach?

The median resident of Lake St. Croix Beach is 52.7 years old; 11.7% are under 18 and 27.2% are 65 or older. The largest group is non-Hispanic white residents at 89.4%, then non-Hispanic residents of two or more races at 4.9%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Lake St. Croix BeachWashington CountyMinnesota Change since 2015-2019
Median age 52.7 ±3.8 39.8 38.8 +8.8
Under 18 years 11.7% ±4.2 pts 24.0% 22.9% –
65 years and over 27.2% ±8.2 pts 16.6% 17.3% –
Male 45.9% ±3.6 pts 49.7% 50.1% –
Hispanic or Latino (any race) 0.9% ±0.9 pts 5.3% 6.4% –
White alone, not Hispanic 89.4% ±4.8 pts 77.2% 75.9% −6.3 pts
Black or African American alone, not Hispanic 0.0% ±2.0 pts 5.5% 6.9% –
Asian alone, not Hispanic 4.3% ±4.8 pts 7.7% 5.1% –
American Indian and Alaska Native alone, not Hispanic 0.5% ±0.7 pts 0.2% 0.7% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±2.0 pts 0.0% 0.0% –
Two or more races, not Hispanic 4.9% ±2.6 pts 3.7% 4.5% –
Some other race alone, not Hispanic 0.0% ±2.0 pts 0.5% 0.5% –
Born outside the United States 5.2% ±4.8 pts 8.5% 8.7% –
Speak a language other than English at home (age 5+) 3.7% ±2.8 pts 12.5% 12.4% –
Civilian veterans (age 18+) 6.6% ±2.6 pts 5.4% 5.9% –
With a disability 12.9% ±3.7 pts 9.9% 11.6% –
No health insurance coverage 3.5% ±2.8 pts 3.5% 4.7% –
High school graduate or higher (age 25+) 98.6% ±1.2 pts 96.1% 93.9% –
Bachelor's degree or higher (age 25+) 49.2% ±12.4 pts 49.1% 39.4% +18.7 pts
Graduate or professional degree (age 25+) 21.1% ±11.9 pts 17.4% 13.8% –
Lived in the same house a year earlier 87.3% ±6.7 pts 88.9% 87.8% –
Moved from another state in the past year 3.4% ±4.5 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 Lake St. Croix Beach earn?

Half of Lake St. Croix Beach's 467 households earn less than $102,159 a year (±$21,228), against $115,345 in Washington County and $89,062 in Minnesota. In 2015-2019 it was $99,140 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.8% 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 Lake St. Croix BeachWashington CountyMinnesota Change since 2015-2019
Median household income $102,159 ±$21,228 $115,345 $89,062 no clear change
Mean household income $160,618 ±$60,458 $148,415 $118,304 –
Per capita income $65,650 ±$21,527 $56,954 $48,237 no clear change
People below the poverty line 8.8% ±4.9 pts 5.1% 9.3% no clear change
Children under 18 below the poverty line 17.1% ±22.7 pts 5.0% 10.3% –
Households receiving SNAP 1.9% ±1.7 pts 4.1% 7.9% –
Households with a computer 100.0% ±4.7 pts 97.6% 95.8% –
Households with a broadband subscription 97.2% ±1.9 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 Lake St. Croix Beach?

Owners occupy 97.2% of Lake St. Croix Beach's occupied homes and renters 2.8%. The median owner-occupied home is valued at $363,800 by its owner (±$37,079).

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure Lake St. Croix BeachWashington CountyMinnesota Change since 2015-2019
Median home value (owner-occupied) $363,800 ±$37,079 $422,000 $329,300 +$82,463
Median gross rent $1,563 ±$1,427 $1,710 $1,280 –
Renters paying 35% or more of income on rent 53.8% ±39.2 pts 41.0% 38.4% –
Median monthly owner costs, with a mortgage $1,704 ±$227 $2,275 $1,947 –
Owner-occupied homes 97.2% ±1.7 pts 81.3% 72.2% +8.3 pts
Renter-occupied homes 2.8% ±1.7 pts 18.7% 27.8% –
Housing units 493 ±88 109,307 2,545,030 no clear change
Homeowner vacancy rate 0.0% ±4.8 pts 0.5% 0.6% –
Rental vacancy rate 48.0% ±52.0 pts 5.3% 5.3% –
Single-family detached homes 95.3% ±2.4 pts 67.1% 66.0% –
Mobile homes 0.0% ±4.5 pts 1.8% 2.9% –
Built 2020 or later 0.6% ±0.8 pts 4.3% 1.9% –
Built 2010 to 2019 1.8% ±1.6 pts 11.5% 8.5% –
Built 1939 or earlier 13.6% ±7.1 pts 6.1% 15.6% –
Households with no vehicle 0.6% ±0.9 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 Lake St. Croix Beach building?

Builders took permits for 1 new housing units in Lake St. Croix Beach in 2025 (1 in single-family houses), 1.0 per 1,000 residents against 3.6 across Minnesota.

  • 2019 0 units
  • 2020 1 units
  • 2021 0 units
  • 2022 0 units
  • 2023 0 units
  • 2024 0 units
  • 2025 1 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 Lake St. Croix Beach work and get to work?

79.5% of Lake St. Croix Beach's workers drive alone and 8.2% work from home. The average trip to work takes 23.1 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure Lake St. Croix BeachWashington CountyMinnesota Change since 2015-2019
In the labor force (age 16+) 65.5% ±7.9 pts 68.3% 68.1% –
Unemployment rate 2.1% ±2.0 pts 3.4% 4.1% –
Drove alone to work 79.5% ±6.5 pts 66.3% 68.9% –
Carpooled 2.5% ±2.0 pts 7.5% 7.5% –
Public transportation 0.6% ±0.8 pts 0.6% 1.8% –
Walked 0.5% ±0.6 pts 0.9% 2.5% –
Worked from home 8.2% ±4.1 pts 23.6% 17.6% –
Mean travel time to work 23.1 min ±2.3 24.0 min 22.7 min −4.4 min

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 Lake St. Croix Beach?

No census tract lies mostly in Lake St. Croix Beach; 1 tract reaches into it (2020 census blocks).

Census tracts in Lake St. Croix Beach, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Lake St. Croix Beach
Tract 711.01Washington County3,424 $102,966 $383,50040%

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 Lake St. Croix Beach) · Census block assignment files

How does Lake St. Croix Beach compare with other places in Minnesota?

By the Census Bureau's July 2025 estimates, Lake St. Croix Beach is the 10,234th-most populous of the 19,476 U.S. incorporated places that have one and the 357th-most populous of 855 in Minnesota.

Lake St. Croix Beach ranks 186th of 558 places in Minnesota with 1,000 or more residents and a reliable estimate, by median household income.

Lake St. Croix Beach'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 estimate357th855
Growth 2020-2025 (PEP)524th556
Residents per square mile77th562
Median household income186th558
Per capita income45th562
Median home value198th559
Poverty rate196th461
Bachelor's degree or higher66th559
Median age38th561
Owner-occupied share39th561
Work from home413th525
Travel time to work305th562

Lake St. Croix Beach's figures with every place in Minnesota (CSV)

Every place in Minnesota, sortable · Compare Lake St. Croix Beach 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 Lake St. Croix Beach?

24 of the 57 figures for Lake St. Croix Beach 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 Lake St. Croix Beach 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 Lake St. Croix Beach.