San Diego County Population 2018

San Diego County's estimated population is 3,337,685 with a growth rate of 0.62% in the past year according to the most recent United States census data. San Diego County is the 2nd largest county in California.

Year Population Growth Growth Rate
20173,337,68520,4850.62%
20163,317,20027,1560.83%
20153,290,04433,1691.02%
20143,256,87540,3531.25%
20133,216,52236,7241.15%
20123,179,79840,0311.27%
20113,139,76735,9741.16%
20103,103,793605,77724.25%
19902,498,016636,17034.17%
19801,861,846503,99237.12%
19701,357,854324,84331.45%
19601,033,011476,20385.52%
1950556,808267,46092.44%
1940289,34879,68938.01%
1930209,65997,41186.78%
1920112,24850,58382.03%
191061,66526,57575.73%
190035,0901030.29%
189034,98726,369305.98%
18808,6183,66774.07%
18704,95162714.50%
18604,3243,526441.85%
18507980.00%

San Diego County Population Growth

Population Data via

San Diego County Race Data

Race Population Percentage
White2,505,51875.07%
Asian396,75811.89%
Black or African American182,3135.46%
Two or More Races142,7404.28%
American Indian and Alaska Native43,3971.30%
Native Hawaiian and Other Pacific Islander19,5190.58%

San Diego County Population Pyramid

0k50k100k150k Male Population0k50k100k150k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990