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County · code 29131

Miller CountyMissouri

Miller County is a county in Missouri with its seat in Tuscumbia, formed in 1837.

  • Founded1837
  • County seatTuscumbia
  • Named forJohn Miller
  • Land area593 sq mi + 7.4 sq mi water
  • Population24,722 2020 Census
  • Parcels mapped21,746 checked 14 October 2026
Open the free map Click any parcel in Miller County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

ColeCamdenPulaskiMorganMariesOsage Tuscumbia Census outline · seat marked

Where it is

Miller 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 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 cityMiller County Miller
Counties of Missouri · Miller highlighted

History

Formed in 1837 from Cole County and Pulaski County

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

Miller County was created on February 6, 1837, from Cole County and Pulaski County. The county was named after John Miller. Over the following decades, Miller County's boundaries shifted through exchanges and transfers with neighboring counties, including Camden, Morgan, and Cole.

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

  1. 1837
    Miller County created Miller created from Cole, Pulaski, and Non-County Area 21; Non-County Area 21 eliminated.
    from Colefrom Pulaski
    · Mo. Laws 1836-1837, pub., pp. 53-54
  2. 1845
    Lost territory Miller lost to Camden.
    to Camden
    · Mo. Laws 1844-1845, loc. and priv., pp. 39-40
  3. 1845
    Gained territory Miller gained from Camden.
    from Camden
    · Mo. Rev. Stat. 1845, secs. 50, 91/pp. 140,146
  4. 1860
    Gained territory Miller gained from Morgan.
    from Morgan
    · Mo. Laws 1859-1860, adj. sess., p. 495
  5. 1868
    Gained territory Miller gained from Cole; Miller gained undisputed jurisdiction of 13 December 1855 overlap with Camden.
    from Colefrom Camden
    · Mo. Laws 1868, adj. sess., gen., pp. 16-23
Show all 9 changes (4 more)
  1. 1837
    Miller County created Miller created from Cole, Pulaski, and Non-County Area 21; Non-County Area 21 eliminated.
    from Colefrom Pulaski
    · Mo. Laws 1836-1837, pub., pp. 53-54
  2. 1839
    Changed Miller boundaries defined (no change). · Mo. Laws 1838-1839, pub., p. 23
  3. 1845
    Lost territory Miller lost to Camden.
    to Camden
    · Mo. Laws 1844-1845, loc. and priv., pp. 39-40
  4. 1845
    Gained territory Miller gained from Camden.
    from Camden
    · Mo. Rev. Stat. 1845, secs. 50, 91/pp. 140,146
  5. 1855
    Boundary clarified Camden boundaries redefined, creating an overlap with Miller.
    with Camdenno change
    · Mo. Laws Rev., 1854-1855, ch. 41, secs. 58, 93/pp. 476-477, 490
  6. 1860
    Gained territory Miller gained from Morgan.
    from Morgan
    · Mo. Laws 1859-1860, adj. sess., p. 495
  7. 1868
    Gained territory Miller gained from Cole; Miller gained undisputed jurisdiction of 13 December 1855 overlap with Camden.
    from Colefrom Camden
    · Mo. Laws 1868, adj. sess., gen., pp. 16-23
  8. 1875
    Exchanged territory Miller exchanged with Camden.
    with Camden
    · Mo. Laws 1875, gen., pp. 30-31
  9. 1879
    Lost territory Miller lost to Cole.
    to Cole
    · Mo. Rev. Stat. 1879, pp. 1015-1044

Land and parcels

What the maps cover in Miller

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

Miller by the Census

Population
24,722 2020 Census count
Housing units
12,476 2020 Census count
Land area
593 square miles
Water area
7.4 square miles
People per sq mi
42 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

Miller County'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

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Questions

Common questions about Miller County

When was Miller County founded?
Miller County was founded in 1837, formed from Cole County and Pulaski County, and named after John Miller.
What is the county seat of Miller County?
The county seat of Miller County is Tuscumbia.
Is there an online parcel map for Miller County?
Yes. Miller County publishes a parcel map of 21,746 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Miller County's boundary or name changed?
Miller County was created in 1837 from Cole County and Pulaski County. Since then the Atlas of Historical County Boundaries records 6 later changes, chiefly involving Camden County, Cole County and Morgan County.
Is my lot in a flood zone?
We do not have flood maps for Miller 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