AL · GEOID 01001

Autauga County area

Autauga County, Alabama covers 604.4 square miles: 594.5 square miles of land and 9.9 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area594.5 mi²
Water area9.9 mi²
Total area604.4 mi²
National land rank#1645

County outline

Generalized outline of Autauga County, Alabama
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Autauga County is located

Autauga County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 98.4% of Autauga County’s measured area and water for 1.6%. Its combined area converts to 1,565.3 square kilometers or approximately 386,796 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land594.4551,539.631380,451.2
Water9.91425.6776,345
Total604.3691,565.309386,796.2

How Autauga County compares

By original Census land area, Autauga County ranks #55 of 67 in Alabama and #1645 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.885 times the Alabama county-equivalent median of 672.1 square miles. It accounts for 1.2% of the combined county land area in the state.

See the complete Alabama ranking · What counts as a county equivalent?

What stands out about Autauga County?

Autauga County has more land than 1,577 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Autauga County594.5 mi²
Alabama median672.1 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Autauga County at #1,728 nationally by total area, 83 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 1.6%, compared with a national county-equivalent median of 1.2% — 0.5 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Autauga County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1644Amador County, California594.6Compare
#1645Autauga County, Alabama594.5This county
#1646Linn County, Kansas594.1Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 32.532237, -86.646440. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,539,631,448 m²; AWATER: 25,677,530 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How many acres of land are in Autauga County?

The land measurement converts to approximately 380,451 acres. Including water, total area is approximately 386,796 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

Download the complete CSV or JSON dataset