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Independent city · code 29510

St. Louis cityMissouri

St. Louis is an independent city in Missouri, established in 1876 as a separate entity from St. Louis County. The city is named after Louis IX of France.

  • Founded1876
  • Named forLouis IX of France
  • Land area62 sq mi + 4.5 sq mi water
  • Population301,578 2020 Census
  • Parcels mapped134,718 checked 15 October 2026
Open the free map Click any parcel in St. Louis city: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

St. LouisSt. Clair, ILMadison, IL Census outline

Where it is

St. Louis on the map of Missouri

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

Adair CountyAndrew CountyAtchison CountyAudrain CountyBarry CountyBarton CountyBates CountyBenton CountyBollinger CountyBoone CountyBuchanan CountyButler CountyCaldwell CountyCallaway CountyCamden CountyCape Girardeau CountyCarroll CountyCarter CountyCass CountyCedar CountyChariton CountyChristian CountyClark CountyClay CountyClinton CountyCole CountyCooper CountyCrawford CountyDade CountyDallas CountyDaviess CountyDeKalb CountyDent CountyDouglas CountyDunklin CountyFranklin CountyGasconade CountyGentry CountyGreene CountyGrundy CountyHarrison CountyHenry CountyHickory CountyHolt CountyHoward CountyHowell CountyIron CountyJackson CountyJasper CountyJefferson CountyJohnson CountyKnox CountyLaclede CountyLafayette CountyLawrence CountyLewis CountyLincoln CountyLinn CountyLivingston CountyMcDonald CountyMacon CountyMadison CountyMaries CountyMarion CountyMercer CountyMiller CountyMississippi CountyMoniteau CountyMonroe CountyMontgomery CountyMorgan CountyNew Madrid CountyNewton CountyNodaway CountyOregon CountyOsage CountyOzark CountyPemiscot CountyPerry CountyPettis CountyPhelps CountyPike CountyPlatte CountyPolk CountyPulaski CountyPutnam CountyRalls CountyRandolph CountyRay CountyReynolds CountyRipley CountySt. Charles CountySt. Clair CountySte. Genevieve CountySt. Francois CountySt. Louis CountySaline CountySchuyler CountyScotland CountyScott CountyShannon CountyShelby CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright CountySt. Louis city St. Louis
Counties of Missouri · St. Louis highlighted

History

Formed in 1876 from St. Louis County

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

ST. Louis City was created from ST. Louis county on October 22, 1876.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1876
    St. Louis city created St. Louis City created from St. Louis county.
    from St. Louis
    · Hyde and Conard, 4: 1993-1996

Land and parcels

What the maps cover in St. Louis

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

St. Louis by the Census

Population
301,578 2020 Census count
Housing units
173,479 2020 Census count
Land area
62 square miles
Water area
4.5 square miles
People per sq mi
4,885 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

St. Louis city's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

Open St. Louis city on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about St. Louis city

When was St. Louis city founded?
St. Louis city was founded in 1876, formed from St. Louis County, and named after Louis IX of France.
Is there an online parcel map for St. Louis city?
Yes. A public source publishes a parcel map of 134,718 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has St. Louis city's boundary or name changed?
St. Louis city was created in 1876 from St. Louis County. The Atlas of Historical County Boundaries records no boundary change since.
Is my lot in a flood zone?
We do not have flood maps for St. Louis city 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