Demographics and Facts

Sacramento County encompasses approximately 994-square miles in the middle of the 400-mile long Central Valley, which is California's prime agricultural region. The County is bordered by Contra Costa and San Joaquin Counties on the south, Amador and El Dorado Counties on the east, Placer and Sutter Counties on the north, and Yolo and Solano Counties on the west.

Sacramento County extends from the low delta lands between the Sacramento and San Joaquin rivers north to about ten miles beyond the State Capitol and east to the foothills of the Sierra Nevada Mountains. The southernmost portion of Sacramento County has direct access to the San Francisco Bay.

The California Department of Finance has released their January 1, 2024 Estimates.

The CA DoF is estimating a drop in population for Sacramento County since the 2020 Census, from 1,585,055 down to 1,578,938.

The cities of Sacramento​, Elk Grove, Folsom, Rancho Cordova, and Galt are all estimated to have gained population.

But the cities of Citrus Heights, Isleton, and the unincorporated area have all decreased in population. See table below for specifics.

Census​CA DoF​ Estimates ​​​Change since Census ​​
​​Apr 1, 2020Jan 1, 2023
Jan 1, 2024
Sacramento County     1,585,0551,576,6391,578,938
Sacramento    524,943519,466
Elk Grove    176,124
Citrus Heights       87,58386,056
Folsom       80,45485,698​
Rancho Cordova       79,33281,604
Galt       25,38325,608
Isleton            794772
Unincorporated Area    610,442599,989

Included in Sacramento County are seven incorporated cities. Varying from quaint to cosmopolitan, each of these cities contributes a rich and unique dimension to the whole of Sacramento County and its communities. Our growing economy and educated workforce are part of one of the most livable and diverse regions in America and is the core cultural and economic center in the region. The 2010 U.S. Census Bureau estimated Sacramento County’s total population as more than 1.4 million. With more than a half million residents living in unincorporated Sacramento County, it makes our unincorporated county population the fifth largest in the state. Read more on California's Total State Population​​.

Unique Information

Greater Sacramento has been cited as one of the five "most livable" regions in America in 2004, and the city was cited by TIME magazine as America's Most Diverse City in 2002. Clean Edge ranked the Sacramento region number six in the nation for clean technology.

The greater Sacramento Area, including Arden-Arcade and Roseville, was also ranked number seven in the 2013 American Fitness Index.

Sacramento County’s Sacramento International Airport (SMF) has also received recognition.   According to Airports Council International, SMF was ranked number four for best customer service in 2012.​ 

Community/Area Facts:

  • 30 parks with 6 million trees and 4 public golf courses
  • Sacramento River - longest river within California, flowing south for 447 miles
  • American River - in 1848, gold was found, which lead to the Gold Rush
  • Leading agricultural crops - wine grapes, milk, poultry, pears, nursery stock​
  • The area of the County is 944 square miles 


  • Average temperature
    • maximum : 73.6 F 
    • minimum : 49 F
    • ​Average rainfall : 19.6 inches​


Public Facilities:

  • 19 major public & private colleges & universities
    • California State University, Sacramento - major local university and one of the 23 campuses in the California State University system
    • University of California, Davis is located nearby (west of the capital) and one of the 10 campuses in the University of California system
  • 16 public school districts
  • 15 major art and historical museums
  • 26 public libraries
  • 10 hospitals 


  • 1,458 persons per square-mile
  • 69.6 percent of eligible voters are registered to vote​​