About San Joaquin County
San Joaquin County is a mid-sized city located in United States, in the California region. According to the latest available data (2026), the population of San Joaquin County is approximately 779,233 residents, making it the #84 most populous city in United States.
Globally, San Joaquin County ranks #2,369 among the world's most populated cities.
San Joaquin County City Statistics
| City | San Joaquin County |
| Country | |
| Population | 779,233 |
| Global Rank | #2,369 |
| Rank in United States | #84 of 867 cities |
| City Category | mid-sized city |
| Region | California |
| Latitude | 37.93 |
| Longitude | -121.27 |
| Data Year | 2026 |
Population Comparison
To put San Joaquin County's population of 779,233 into perspective:
- San Joaquin County has over 779,000 residents.
Where is San Joaquin County
Located?
San Joaquin County is located in United States, in the California region, at coordinates 37.93° latitude and -121.27° longitude. San Joaquin County sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of San Joaquin County?
The population of San Joaquin County is approximately 779,233 residents according to the latest available data (2026).
Where is San Joaquin County located?
San Joaquin County is located in United States at approximately 37.93° latitude and -121.27° longitude.
Is San Joaquin County one of the largest cities in United States?
With a population of 779,233, San Joaquin County is one of the notable urban areas in United States. It ranks #84 out of 867 cities in the country.