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County · code 27133

Rock CountyMinnesota

Rock County is a county in Minnesota with its seat in Luverne. The county was formed in 1857 from Brown County and Big Sioux County.

  • Founded1857
  • County seatLuverne
  • Land area482 sq mi + 0.3 sq mi water
  • Population9,704 2020 Census
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Updated

PipestoneNoblesMinnehaha, SDMoody, SD Luverne Census outline · seat marked

Where it is

Rock on the map of Minnesota

Minnesota has 87 counties and county equivalents, each with its own records office. Shapes with a page are links.

Aitkin CountyAnoka CountyBecker CountyBeltrami CountyBenton CountyBig Stone CountyBlue Earth CountyBrown CountyCarlton CountyCarver CountyCass CountyChippewa CountyChisago CountyClay CountyClearwater CountyCook CountyCottonwood CountyCrow Wing CountyDakota CountyDodge CountyDouglas CountyFaribault CountyFillmore CountyFreeborn CountyGoodhue CountyGrant CountyHennepin CountyHouston CountyHubbard CountyIsanti CountyItasca CountyJackson CountyKanabec CountyKandiyohi CountyKittson CountyKoochiching CountyLac qui Parle CountyLake CountyLake of the Woods CountyLe Sueur CountyLincoln CountyLyon CountyMcLeod CountyMahnomen CountyMarshall CountyMartin CountyMeeker CountyMille Lacs CountyMorrison CountyMower CountyMurray CountyNicollet CountyNobles CountyNorman CountyOlmsted CountyOtter Tail CountyPennington CountyPine CountyPipestone CountyPolk CountyPope CountyRamsey CountyRed Lake CountyRedwood CountyRenville CountyRice CountyRoseau CountySt. Louis CountyScott CountySherburne CountySibley CountyStearns CountySteele CountyStevens CountySwift CountyTodd CountyTraverse CountyWabasha CountyWadena CountyWaseca CountyWashington CountyWatonwan CountyWilkin CountyWinona CountyWright CountyYellow Medicine CountyRock County Rock
Counties of Minnesota · Rock highlighted

History

Formed in 1857 from Brown County and Big Sioux County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Rock County was originally created as Pipestone County on May 23, 1857, from Brown County and Big Sioux County, including territory in present Minnesota and South Dakota, and was initially attached to Big Sioux County for judicial purposes. When Minnesota became a state in 1858, Pipestone County lost territory and its attachment to Big Sioux County ended. The county was renamed Rock on February 20, 1862, and was finally fully organized as an independent county on February 7, 1874.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1857
    Rock County created Pipestone (now Rock) created from Brown, included territory in present Minnesota and South Dakota; Pipestone not fully organized, attached to Big Sioux "for all judicial and elective purposes."
    from Brownfrom Big Sioux
    · Minn. Terr. Laws 1857, ext. sess., ch. 14, secs. 4, 14/pp. 66-69
  2. 1858
    Lost territory Pipestone (now Rock) lost territory when the state of Minnesota was created from Minnesota Territory; Pipestone attachment to Big Sioux ended.
    to Big Sioux
    · Schell, 72-77; U.S. Stat., vol. 11, ch. 60 [1857]/pp. 166-167 and ch. 31 [1858]/p. 285
  3. 1862
    Renamed Pipestone renamed Rock.
    formerly Pipestone
    · Minn. Laws 1862, spec., ch. 30, secs. 1-2/pp. 269-270
  4. 1864
    Changed Rock attached to Brown "for judicial purposes."
    Brown
    · Minn. Laws 1864, gen., ch. 70, sec. 1/p. 128
  5. 1866
    Changed Rock detached from Brown, attached to Martin "for judicial purposes."
    BrownMartin
    · Minn. Gen. Stat. 1866, ch. 64, title 4, sec. 33/p. 419
Show all 13 changes (8 more)
  1. 1857
    Rock County created Pipestone (now Rock) created from Brown, included territory in present Minnesota and South Dakota; Pipestone not fully organized, attached to Big Sioux "for all judicial and elective purposes."
    from Brownfrom Big Sioux
    · Minn. Terr. Laws 1857, ext. sess., ch. 14, secs. 4, 14/pp. 66-69
  2. 1858
    Lost territory Pipestone (now Rock) lost territory when the state of Minnesota was created from Minnesota Territory; Pipestone attachment to Big Sioux ended.
    to Big Sioux
    · Schell, 72-77; U.S. Stat., vol. 11, ch. 60 [1857]/pp. 166-167 and ch. 31 [1858]/p. 285
  3. 1862
    Renamed Pipestone renamed Rock.
    formerly Pipestone
    · Minn. Laws 1862, spec., ch. 30, secs. 1-2/pp. 269-270
  4. 1864
    Changed Rock attached to Brown "for judicial purposes."
    Brown
    · Minn. Laws 1864, gen., ch. 70, sec. 1/p. 128
  5. 1866
    Changed Rock authorized to be renamed Lincoln, dependent upon final disposition of territory proposed for Lincoln in 1861; change not effected.
    Lincoln
    · Minn. Gen. Stat. 1894, ch. 8, title 1, sec. 598/pp. 173-174; Minn. Laws 1866, gen., ch. 45, secs. 1-2/p. 90; Upham, 306
  6. 1866
    Changed Rock detached from Brown, attached to Martin "for judicial purposes."
    BrownMartin
    · Minn. Gen. Stat. 1866, ch. 64, title 4, sec. 33/p. 419
  7. 1870
    Changed Rock organized for county government. · Minn. Laws 1870, gen., ch. 91, sec. 1/pp. 163-164
  8. 1870
    Changed Rock detached from Martin, attached to Jackson "for judicial purposes."
    MartinJackson
    · Minn. Laws 1870, gen., ch. 86, secs. 1-3/ p. 155
  9. 1872
    Changed Rock authorized to gain the four western townships of Nobles, dependent upon local referendum that failed (no change).
    Nobles
    · Minn. Laws 1872, gen., ch. 85, secs 1-2/pp. 154-155; Minn. Stat. 1873, ch. 2, title 1, p. 111
  10. 1873
    Changed Rock detached from Jackson, attached to Nobles "for judicial purposes."
    JacksonNobles
    · Minn. Laws 1873, gen., ch. 84, secs. 2-3/pp. 202-203
  11. 1874
    Changed Rock fully organized, detached from Nobles.
    Nobles
    · Minn. Laws 1874, gen., ch. 91, sec. 1/p. 235
  12. 1876
    Changed Pipestone detached from Cottonwood, attached to Rock "for judicial and recording purposes."
    PipestoneCottonwood
    · Minn. Laws 1876, gen., ch. 83, sec. 1/p. 94
  13. 1881
    Changed Pipestone fully organized, detached from Rock.
    Pipestone
    · Minn. Laws 1881, reg. sess., gen., ch. 86, sec. 1/pp. 96-97

Land and parcels

What the maps cover in Rock

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Rock by the Census

Population
9,704 2020 Census count
Housing units
4,222 2020 Census count
Land area
482 square miles
Water area
0.3 square miles
People per sq mi
20 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Permits

Zoning and code

County government

See your own lot on these maps

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Questions

Common questions about Rock County

When was Rock County founded?
Rock County was founded in 1857, formed from Brown County and Big Sioux County.
What is the county seat of Rock County?
The county seat of Rock County is Luverne.
Is there an online parcel map for Rock County?
Not that we have found yet. Lot lines and owners of record are kept by the assessor's office. When a public parcel map appears, it shows here.
Has Rock County's boundary or name changed?
Rock County was created in 1857 from Brown County and Big Sioux County. Since then the Atlas of Historical County Boundaries records 11 later changes, chiefly involving Pipestone County, Brown County and Jackson County. It was formerly called Pipestone.
Who issues building permits in Rock County?
The county's page on building permits: Permit to Carry Firearm. Inside a city or town, ask that city first.
Who issues septic and well permits in Rock County?
The county's page on septic systems and wells: Environmental Services.
Is my lot in a flood zone?
We do not have flood maps for Rock County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door