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County · code 01089

Madison CountyAlabama

Madison County is located in Alabama and is the state's seat in Huntsville. The county was created on December 13, 1808, and named after James Madison.

  • Founded1808
  • County seatHuntsville
  • Named forJames Madison
  • Land area802 sq mi + 11 sq mi water
  • Population388,153 2020 Census
  • Parcels mapped206,343 checked 15 October 2026
Open the free map Click any parcel in Madison County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Lincoln, TNMorganLimestoneMarshallJackson Huntsville Census outline · seat marked

Where it is

Madison on the map of Alabama

Alabama has 67 counties and county equivalents, each with its own records office. Shapes with a page are links.

History

Founded in 1808

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

Madison was created by Mississippi Territory as a non-county area in 1808, then became a county in Alabama Territory in 1817 when Alabama Territory was formed from Mississippi Territory. The county gained and lost territory multiple times in its early years, including areas from Jackson County in 1826 and 1836, and losing land to the creation of Limestone, Morgan, and Marshall counties.

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

  1. 1808
    Madison County created Madison created by Mississippi Territory from Non-County Area 1. · Toulmin, Digest, ch. 2/pp. 80-81
  2. 1817
    Became part of Alabama Madison became a county in Alabama Territory. · U.S. Stat., vol. 3, ch. 59 [1817], sec. 1/p. 371
  3. 1819
    Gained territory Madison gained from Non-County Area 1. · Ala. Acts 1819, 1st sess./pp. 50-57; Ala. Rpts., 215:640
  4. 1826
    Gained territory Madison gained from Jackson. · Ala. Acts 1825, 7th sess., p. 10
  5. 1836
    Gained territory Madison gained from Jackson. · Ala. Acts 1835, ann. sess., no. 47, secs. 1, 13/pp. 47, 49
Show all 8 changes (3 more, mostly small adjustments)
  1. 1808
    Madison County created Madison created by Mississippi Territory from Non-County Area 1. · Toulmin, Digest, ch. 2/pp. 80-81
  2. 1817
    Became part of Alabama Madison became a county in Alabama Territory. · U.S. Stat., vol. 3, ch. 59 [1817], sec. 1/p. 371
  3. 1818
    Gained territory Madison gained from Non-County Area 1, lost to creation of Limestone and lost small area to creation of Cotaco (now Morgan). · Ala. Terr. Acts 1818, 1st sess., secs. 1-3/pp. 8-9, 12-13
  4. 1818
    Changed Madison boundary in the Tennessee River was adjusted to run in the middle of the stream. · Ala. Terr. Acts 1818, 1st sess., p. 49
  5. 1819
    Gained territory Madison gained from Non-County Area 1. · Ala. Acts 1819, 1st sess./pp. 50-57; Ala. Rpts., 215:640
  6. 1826
    Gained territory Madison gained from Jackson. · Ala. Acts 1825, 7th sess., p. 10
  7. 1836
    Gained territory Madison gained from Jackson. · Ala. Acts 1835, ann. sess., no. 47, secs. 1, 13/pp. 47, 49
  8. 1837
    Lost territory Madison lost to Marshall. · Ala. Acts 1837, ann. sess., no. 44/p. 36

Land and parcels

What the maps cover in Madison

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

Madison by the Census

Population
388,153 2020 Census count
Housing units
169,820 2020 Census count
Land area
802 square miles
Water area
11 square miles
People per sq mi
484 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

Madison 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

Open Madison 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.

Questions

Common questions about Madison County

When was Madison County founded?
Madison County was founded in 1808, and named after James Madison.
What is the county seat of Madison County?
The county seat of Madison County is Huntsville.
Is there an online parcel map for Madison County?
Yes. Madison County publishes a parcel map of 206,343 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Madison County's boundary or name changed?
Madison County was created in 1808. Since then the Atlas of Historical County Boundaries records 7 later changes, chiefly involving Jackson County, Cotaco County and Limestone County.
Is my lot in a flood zone?
We do not have flood maps for Madison 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