Riverside County Population (2026)
Population of Riverside County with area, density and how it compares to nearby places.
Population of Riverside County
Riverside County ranks #4 by population among 6 comparable places in this atlas.
Quick facts about Riverside County
| Type | County |
|---|---|
| State | California |
| Country | United States |
| Continent | North America |
| Coordinates | 33°57′11.9″N 117°23′46″W (33.9533, -117.3961) |
| Population | 2.450.000 |
| Local time | 11:05 PM (UTC-07:00) |
| Best months | April, May, June, July, August, September and October |
| Climate | Mediterranean |
Summary
Riverside County is a county in California. Riverside County is a county in the United States. It has a population of about 2.5 million.
Right now it is 66°F (19°C) in Riverside County with clear. It feels like 68°F. Today runs from 63°F to 86°F. Chance of precipitation is 0%. Sightseeing conditions score 9.9/10 - excellent - go now.
The best time to visit Riverside County is April, May, June, July, August, September and October. The climate is Mediterranean. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 97°F, while January is the coldest with lows near 45°F.
The closest major airport is Los Angeles International Airport (LAX), about 58 mi away. Nearby highlights include Disneyland Resort, Hollywood Sign, Santa Monica State Beach and Anza-Borrego Desert State Park.
In plain terms. Today is slightly cooler than average for September. The forecast high of 86°F is 3.8°F below the 90°F typical for this month. The best window to be outside is roughly 9 AM to 12 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Riverside County today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Map of Riverside County
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 33°57′11.9″N 117°23′46″W (33.9533, -117.3961)
Explore Riverside County
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Riverside County?
Riverside County is a county in California. Its coordinates are 33.9533, -117.3961. It lies in North America.
What is the weather like in Riverside County right now?
It is currently 66°F (19°C) with clear. Humidity is 74% and wind is 1 mph.
When is the best time to visit Riverside County?
April, May, June, July, August, September and October offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Riverside County in?
Riverside County observes America/Los_Angeles (UTC-07:00). The local time is 11:05 PM.
How many people live in Riverside County?
Riverside County has a population of approximately 2.5 million.
What is the nearest airport to Riverside County?
The closest airports are Los Angeles International Airport (LAX), 58 mi away, San Diego International Airport (SAN), 85 mi away and Harry Reid International Airport (LAS), 194 mi away.
What are the top things to do in Riverside County?
Popular options include Disneyland Resort, Hollywood Sign, Santa Monica State Beach, Anza-Borrego Desert State Park, Joshua Tree National Park and Coronado Beach.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 20, 2026 at 11:05 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
