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County · code 47045

Dyer CountyTennessee

Dyer County is in Tennessee and has its seat in Dyersburg. The county was created on October 16, 1823, from Madison County.

  • Founded1823
  • County seatDyersburg
  • Land area512 sq mi + 14 sq mi water
  • Population36,801 2020 Census
  • Parcels mapped21,595 checked 14 October 2026
Open the free map Click any parcel in Dyer County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

LakeCrockettLauderdaleObionPemiscot, MOGibsonMississippi, AR Dyersburg Census outline · seat marked

Where it is

Dyer on the map of Tennessee

Tennessee has 95 counties and county equivalents, each with its own records office. Shapes with a page are links.

Anderson CountyBedford CountyBenton CountyBledsoe CountyBlount CountyBradley CountyCampbell CountyCannon CountyCarroll CountyCarter CountyCheatham CountyChester CountyClaiborne CountyClay CountyCocke CountyCoffee CountyCrockett CountyCumberland CountyDavidson CountyDecatur CountyDeKalb CountyDickson CountyFayette CountyFentress CountyFranklin CountyGibson CountyGiles CountyGrainger CountyGreene CountyGrundy CountyHamblen CountyHamilton CountyHancock CountyHardeman CountyHardin CountyHawkins CountyHaywood CountyHenderson CountyHenry CountyHickman CountyHouston CountyHumphreys CountyJackson CountyJefferson CountyJohnson CountyKnox CountyLake CountyLauderdale CountyLawrence CountyLewis CountyLincoln CountyLoudon CountyMcMinn CountyMcNairy CountyMacon CountyMadison CountyMarion CountyMarshall CountyMaury CountyMeigs CountyMonroe CountyMontgomery CountyMoore CountyMorgan CountyObion CountyOverton CountyPerry CountyPickett CountyPolk CountyPutnam CountyRhea CountyRoane CountyRobertson CountyRutherford CountyScott CountySequatchie CountySevier CountyShelby CountySmith CountyStewart CountySullivan CountySumner CountyTipton CountyTrousdale CountyUnicoi CountyUnion CountyVan Buren CountyWarren CountyWashington CountyWayne CountyWeakley CountyWhite CountyWilliamson CountyWilson CountyDyer County Dyer
Counties of Tennessee · Dyer highlighted

History

Formed in 1823 from Madison County

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

Dyer County lost land to the creation of Lauderdale County in 1835 and to Gibson County in 1850. Crockett County was finally established from Dyer County in 1872, after three earlier legislative attempts failed between 1845 and 1870. Dyer County lost additional land to Lake County in 1883, and later exchanged territory with Crockett County in 1887 and gained from Gibson County in 1889.

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

  1. 1823
    Dyer County created Dyer created from Non-County Area 12 attached to Madison.
    from Madison
    · Tenn. Acts 1823, 15th assy., 1st sess., ch. 108, secs. 1, 5-6/pp. 113-114
  2. 1835
    Lost territory Dyer lost to creation of Lauderdale.
    to Lauderdale
    · Tenn. Acts 1835, 21st assy., 1st sess., loc., ch. 28, sec. 1/p. 125
  3. 1850
    Lost territory Dyer lost to Gibson.
    to Gibson
    · Tenn. Acts 1849, 28th assy., ch. 83/p. 268
  4. 1872
    Lost territory Dyer lost to creation of Crockett.
    to Crockett
    · Tenn. Acts 1871, 37th assy., 1st sess., ch. 132, secs. 1-2, 4/pp. 148-150; HRS Tenn., Crockett, 5-6
  5. 1883
    Lost territory Dyer lost to Lake.
    to Lake
    · Tenn. Acts 1883, 43d assy., ch. 97/p. 96
Show all 17 changes (12 more, mostly small adjustments)
  1. 1823
    Dyer County created Dyer created from Non-County Area 12 attached to Madison.
    from Madison
    · Tenn. Acts 1823, 15th assy., 1st sess., ch. 108, secs. 1, 5-6/pp. 113-114
  2. 1823
    Boundary clarified Dyer boundaries clarified (no change).
    no change
    · Tenn. Acts 1823, 15th assy., 1st sess., ch. 206/p. 184
  3. 1835
    Lost territory Dyer lost to creation of Lauderdale.
    to Lauderdale
    · Tenn. Acts 1835, 21st assy., 1st sess., loc., ch. 28, sec. 1/p. 125
  4. 1845
    Changed Legislature authorized creation of Crockett from Dyer and three other counties; in October 1846, Circuit Court Judge in Madison decreed Crockett's creation unconstitutional; creation did not take effect.
    CrockettMadison
    · Tenn. Acts 1845, 26th assy., ch. 25, secs. 1-2, 4/pp. 66-67; Goodspeed [F], 832; HRS Tenn., Crockett, 3-4
  5. 1850
    Lost territory Dyer lost to Gibson.
    to Gibson
    · Tenn. Acts 1849, 28th assy., ch. 83/p. 268
  6. 1852
    Changed Legislature again authorized creation of Crockett from Dyer and three other counties; creation did not take effect.
    Crockett
    · Tenn. Acts 1851, 29th assy., ch. 219, sec. 1/p. 327; ch. 195, secs. 1-2, 14/pp. 288, 292 and no. 17/p. 730; HRS Tenn., Crockett, 4; McBride, 8
  7. 1866
    Changed Legislature again authorized creation of Crockett from Dyer and three other counties; creation did not take effect.
    Crockett
    · Tenn. Acts 1865, 34th assy., 2d sess., pub., ch. 19, secs. 2-3/p. 25; HRS Tenn., Crockett, 4
  8. 1870
    Changed Legislature again authorized creation of Crockett from Dyer and three other counties; creation did not take effect.
    Crockett
    · Tenn. Acts 1870, 36th assy., 2d sess., ch. 89, secs. 1-2, 4/pp. 138-139; Tenn. Acts 1870, 36th assy., 3d sess., ch. 26/p. 31; HRS Tenn., Crockett, 4-5
  9. 1872
    Lost territory Dyer lost to creation of Crockett.
    to Crockett
    · Tenn. Acts 1871, 37th assy., 1st sess., ch. 132, secs. 1-2, 4/pp. 148-150; HRS Tenn., Crockett, 5-6
  10. 1877
    Changed Legislature authorized Dyer to gain from Lauderdale; gain did not take effect.
    Lauderdale
    · Tenn. Acts 1877, 40th assy., 1st sess., ch. 43/p. 58
  11. 1883
    Lost territory Dyer lost to Lake.
    to Lake
    · Tenn. Acts 1883, 43d assy., ch. 97/p. 96
  12. 1887
    Exchanged territory Dyer exchanged with Crockett to accommodate local residents.
    with Crockett
    · Tenn. Acts 1887, 45th assy., ch. 194/p. 326
  13. 1889
    Gained territory Dyer gained from Gibson to accommodate local resident.
    from Gibson
    · Tenn. Acts 1889, 46th assy., 1st sess., ch. 32/p. 61
  14. 1889
    Gained territory Dyer gained from Crockett to accommodate local residents.
    from Crockett
    · Tenn. Acts 1889, 46th assy., 1st sess., ch. 108/p. 214
  15. 1893
    Gained territory Dyer gained small area from Lauderdale.
    from Lauderdale
    · Tenn. Acts 1893, 48th assy., ch. 120/p. 263
  16. 1893
    Gained territory Dyer gained from Crockett to accommodate local residents.
    from Crockett
    · Tenn. Acts 1893, 48th assy., ch. 22/p. 31
  17. 1931
    Lost territory Dyer lost small area to Gibson to accommodate local residents.
    to Gibson
    · Tenn. Acts 1931, 67th assy., 2d ext. sess., priv., ch. 67/p. 450

Land and parcels

What the maps cover in Dyer

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

Dyer by the Census

Population
36,801 2020 Census count
Housing units
16,218 2020 Census count
Land area
512 square miles
Water area
14 square miles
People per sq mi
72 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.

Zoning and code

County government

See your own lot on these maps

Open Dyer County 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 Dyer County

When was Dyer County founded?
Dyer County was founded in 1823, formed from Madison County.
What is the county seat of Dyer County?
The county seat of Dyer County is Dyersburg.
Is there an online parcel map for Dyer County?
Yes. Tennessee Comptroller of the Treasury, Division of Property Assessments (published by the Office of Information Resources) publishes a parcel map of 21,595 parcels, rated official here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Dyer County's boundary or name changed?
Dyer County was created in 1823 from Madison County. Since then the Atlas of Historical County Boundaries records 15 later changes, most of them small boundary adjustments, chiefly involving Crockett County, Gibson County and Lauderdale County.
Is my lot in a flood zone?
We do not have flood maps for Dyer 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