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County · code 29186

Ste. Genevieve CountyMissouri

Ste. Genevieve County is a county in Missouri, with its seat in Ste. Genevieve, formed in 1812. The county is named after Genevieve of Paris.

  • Founded1812
  • County seatSte. Genevieve
  • Named forGenevieve of Paris
  • Land area499 sq mi + 7.6 sq mi water
  • Population18,479 2020 Census
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Updated

St. FrancoisMonroe, ILRandolph, ILPerryJefferson Ste. Genevieve Census outline · seat marked

Where it is

Ste. Genevieve on the map of Missouri

Missouri has 115 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of Missouri · Ste. Genevieve highlighted

History

Founded in 1812

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

Ste. Genevieve District was created within the District of Louisiana on October 1, 1804, and became a district in Louisiana Territory when the District of Louisiana was renamed on July 4, 1805. The district became Ste. Genevieve County on December 7, 1812, when its boundaries were redefined and it lost territory to St. Louis and to non-county area. Between 1813 and 1821, the county lost territory to the creation of Washington, Jefferson, Madison, Perry, and St. Francois Counties.

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

  1. 1804
    Ste. Genevieve County created Ste. Genevieve District (now Ste. Genevieve) created within the District of Louisiana. · Terr. Papers U.S., 13: 51-52; U.S. Stat., vol. 2, ch. 38 [1804]/pp. 283-289; Violette, 46-47
  2. 1805
    Renamed Ste. Genevieve (Missouri) became a district (county) in Louisiana Territory when the District of Louisiana was renamed Louisiana Territory.
    formerly Ste. Genevieve Became A District In Louisiana Territory When the District of Louisiana Was
    · U.S. Stat., vol. 2, ch. 31[1805]/pp. 331-332
  3. 1812
    Lost territory Ste. Genevieve District became Ste. Genevieve County; Ste. Genevieve lost to St. Louis, and lost to creation of Non-County Area 1 when its western boundary was redefined as the boundary of the "Osage Purchase".
    to St. Louis
    · Terr. Papers U.S., 14:599-601; U.S. Stat., vol. 2, ch. 95[1812]/pp. 743-747; Royce, 676-677, pls. 112, 144
  4. 1813
    Lost territory Ste. Genevieve lost to creation of Washington.
    to Washington
    · Mo. Terr. Laws 1813-1814, ch. 95, secs. 1,11/pp. 285-290; Violette, 78
  5. 1813
    Gained territory Ste. Genevieve gained from Cape Girardeau and St. Louis, lost to Washington.
    from Cape Girardeaufrom St. Louisfrom Washington
    · Mo. Terr. Laws 1813-1814, ch. 99, sec. 1/pp. 293-295
Show all 14 changes (9 more)
  1. 1804
    Ste. Genevieve County created Ste. Genevieve District (now Ste. Genevieve) created within the District of Louisiana. · Terr. Papers U.S., 13: 51-52; U.S. Stat., vol. 2, ch. 38 [1804]/pp. 283-289; Violette, 46-47
  2. 1805
    Renamed Ste. Genevieve (Missouri) became a district (county) in Louisiana Territory when the District of Louisiana was renamed Louisiana Territory.
    formerly Ste. Genevieve Became A District In Louisiana Territory When the District of Louisiana Was
    · U.S. Stat., vol. 2, ch. 31[1805]/pp. 331-332
  3. 1812
    Lost territory Ste. Genevieve District became Ste. Genevieve County; Ste. Genevieve lost to St. Louis, and lost to creation of Non-County Area 1 when its western boundary was redefined as the boundary of the "Osage Purchase".
    to St. Louis
    · Terr. Papers U.S., 14:599-601; U.S. Stat., vol. 2, ch. 95[1812]/pp. 743-747; Royce, 676-677, pls. 112, 144
  4. 1813
    Lost territory Ste. Genevieve lost to creation of Washington.
    to Washington
    · Mo. Terr. Laws 1813-1814, ch. 95, secs. 1,11/pp. 285-290; Violette, 78
  5. 1813
    Gained territory Ste. Genevieve gained from Cape Girardeau and St. Louis, lost to Washington.
    from Cape Girardeaufrom St. Louisfrom Washington
    · Mo. Terr. Laws 1813-1814, ch. 99, sec. 1/pp. 293-295
  6. 1819
    Lost territory Ste. Genevieve lost to creation of Jefferson and Madison.
    to Jeffersonto Madison
    · Mo. Terr. Laws 1818-1819, chs. 220, 229/pp. 554-558, 576-580
  7. 1821
    Lost territory Ste. Genevieve lost to creation of Perry.
    to Perry
    · Mo. Laws 1820-1821, ch. 15, secs. 1, 10/pp. 27-31
  8. 1821
    Lost territory Ste. Genevieve lost to creation of St. Francois.
    to St. Francois
    · Mo. Laws 1821-1822, ch. 26, sec. 1/pp. 28-30
  9. 1825
    Lost territory Ste. Genevieve lost to Jefferson and Perry.
    to Jeffersonto Perry
    · Mo. Laws Rev., 1825, ch. 1, sec. 3/pp. 231-232
  10. 1831
    Boundary clarified Boundary between Ste. Genevieve and Jefferson clarified (no change).
    with Jeffersonno change
    · Mo. Laws 1830-1831, pub., ch. 17, sec. 3/pp. 24-25 and Mo. Laws 1832-1833, pub., ch. 34, sec. 2/p. 57
  11. 1843
    Gained territory Ste. Genevieve gained from St. Francois.
    from St. Francois
    · Mo. Laws 1842-1843, pub., p. 45
  12. 1849
    Gained territory Ste. Genevieve gained from Jefferson.
    from Jefferson
    · Mo. Laws 1848-1849, pub., pp. 32-33
  13. 1859
    Changed Boundary between Ste. Genevieve and Jefferson defined (no change).
    Jefferson
    · Mo. Laws 1858-1859, p. 361
  14. 1870
    Changed Ste. Genevieve's and Jefferson's boundaries defined (no change).
    Jefferson
    · Mo. Laws 1870, adj. sess., gen., pp. 32-33

Land and parcels

What the maps cover in Ste. Genevieve

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

Ste. Genevieve by the Census

Population
18,479 2020 Census count
Housing units
8,301 2020 Census count
Land area
499 square miles
Water area
7.6 square miles
People per sq mi
37 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.

Records

County government

See your own lot on these maps

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Questions

Common questions about Ste. Genevieve County

When was Ste. Genevieve County founded?
Ste. Genevieve County was founded in 1812, and named after Genevieve of Paris.
What is the county seat of Ste. Genevieve County?
The county seat of Ste. Genevieve County is Ste. Genevieve.
Is there an online parcel map for Ste. Genevieve 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 Ste. Genevieve County's boundary or name changed?
Ste. Genevieve County was created in 1804. Since then the Atlas of Historical County Boundaries records 10 later changes, chiefly involving Jefferson County, Perry County and St. Francois County. It was formerly called Ste. Genevieve Became A District In Louisiana Territory When the District of Louisiana Was.
Is my lot in a flood zone?
We do not have flood maps for Ste. Genevieve 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