THE MERCED COUNTY LAND BRIEF
Land in the
Manteca/Merced Alluvium setting.
Merced County has 1,938 square miles of land in California. 9 mapped landscape regions meet across Merced County: Manteca/Merced Alluvium, San Joaquin Basin, Southern Hardpan Terraces, among others.
The Sacramento and San Joaquin river systems occupy broad sediment-filled basins, with fans and terraces toward the valley margins. These nearly level landscapes contrast with California's surrounding hills and mountains.
Regional context: Central California Valley ↗ · Regional mapping across the county footprint
Where the landscape changes
Merced County intersects 9 mapped regional units. The largest mapped shares are:
- Manteca/Merced Alluvium26.9%
- San Joaquin Basin20.7%
- Southern Hardpan Terraces17.3%
- Eastern Hills10.6%
- Westside Alluvial Fans and Terraces10%
Central California Foothills and Coastal Mountains in Merced County
Oak woodland, chaparral and grassland occupy foothills and low coastal mountains around the Central Valley. Narrow agricultural valleys interrupt this landscape of dry summers and wetter winters.
Read the regional source ↗Finding your parcel within Merced County
The atlas lists 24 cities, towns, townships, and Census communities associated with Merced County, including Merced, Los Banos, Atwater. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Merced County by land and water
The Census records 40.6 square miles of water within Merced County, or 2.1% of its total area. That share is close to Merced County’s 2.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Merced County has 321.6 times the land area of nearby McSwain CDP (6.03 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Fresno County, Madera County, Mariposa County, San Benito County, Santa Clara County, Stanislaus County within California. A tract near one of these lines should be matched to the county identifier on its own records.

