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Rock Lake Township, Minnesota

Township in Lyon County, Minnesota · ZIP 56115

  • Lyon County
  • Census data · ACS 2019-2023
Join Rock Lake TownshipAsk Rock Lake TownshipBusinessesPeople
  • 276 (2024 estimate)Population
  • 122Households
  • $88,750Median household income
  • $344,400Median home value
  • 1ZIP codes

About Rock Lake Township

This page shows only what has been published about Rock Lake Township: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−3.5%
2602702802902000: 28220002010: 26520102020: 2722020282272
Population of Rock Lake Township at each census
CensusPopulation
2000282
2010265
2020272

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county subdivision level, state 27, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county subdivision level, state 27, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county subdivision level, state 27, retrieved November 14, 2026.

Household income in Rock Lake Township
Under $50k14.8%
$50k to $100k39.3%
$100k to $150k27.9%
$150k to $200k13.1%
$200k and over4.9%

Median household income $88,750 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county subdivision level, state 27, retrieved November 14, 2026.

Housing tenure in Rock Lake Township
Owner occupied
116 units
Renter occupied
6 units
Vacancy rate
6.2%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 27, retrieved November 14, 2026.

Rock Lake Township compared with its county and state
Rock Lake Township compared with its county and state, American Community Survey 2019-2023
MeasureRock Lake TownshipLyon CountyMinnesota
Population35225,4985,713,716
Median household income$88,750$72,761$87,556
Median age34.837.338.6
Median home value$344,400$193,100$305,500
Bachelor’s degree or higher37.2%28.6%38.8%
Foreign-born residents2.3%6.0%8.6%
Owner-occupied homes95.1%70.5%72.4%
Mean commute to work22.0 minutes14.9 minutes23.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 27, retrieved November 14, 2026.

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Schools

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Nearby towns

Other towns in Lyon County

All towns in Lyon County