San Ramon population
San Ramon, California had an estimated 86,209 residents on July 1, 2025, the 440th-largest city in the US. That is up 19.5% since the 2010 Census and up 92.8% since 2000.
- Population, July 2025
- 86,209-0.3% since April 2020
- People per sq mile
- 4,29820.1 sq mi of land
- Median age
- 41.612.2% are 65 or older
- Households with kids
- 43.8%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 86,209 | +178 | Estimate, July 1 |
| 2024 | 86,031 | +448 | Estimate, July 1 |
| 2023 | 85,583 | -249 | Estimate, July 1 |
| 2022 | 85,832 | -575 | Estimate, July 1 |
| 2021 | 86,407 | -40 | Estimate, July 1 |
| 2020 | 86,447 | +4,208 | April 2020 estimates base |
| 2019 | 82,239 | +806 | Estimate, July 1 |
| 2018 | 81,433 | +697 | Estimate, July 1 |
| 2017 | 80,736 | +1,191 | Estimate, July 1 |
| 2016 | 79,545 | +1,371 | Estimate, July 1 |
| 2015 | 78,174 | +1,255 | Estimate, July 1 |
| 2014 | 76,919 | +1,234 | Estimate, July 1 |
| 2013 | 75,685 | +1,636 | Estimate, July 1 |
| 2012 | 74,049 | +1,196 | Estimate, July 1 |
| 2011 | 72,853 | +705 | Estimate, July 1 |
| 2010 | 72,148 | +2,305 | 2010 Census (April 1) |
| 2009 | 69,843 | +3,035 | Estimate, July 1 |
| 2008 | 66,808 | +2,998 | Estimate, July 1 |
| 2007 | 63,810 | +2,612 | Estimate, July 1 |
| 2006 | 61,198 | +2,231 | Estimate, July 1 |
| 2005 | 58,967 | +2,541 | Estimate, July 1 |
| 2004 | 56,426 | +2,468 | Estimate, July 1 |
| 2003 | 53,958 | +2,633 | Estimate, July 1 |
| 2002 | 51,325 | +2,707 | Estimate, July 1 |
| 2001 | 48,618 | +3,912 | Estimate, July 1 |
| 2000 | 44,706 | April 2000 estimates base |
Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.
Frequently asked questions
What is the population of San Ramon in 2025?
The Census Bureau estimates San Ramon had 86,209 residents on July 1, 2025, making it the 440th-largest city in the US.
Is San Ramon growing?
Yes. San Ramon has grown 19.5% since the 2010 Census (72,148 people), and shrunk 0.3% since 2020.
What was the population of San Ramon in 2000?
About 44,706 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 72,148.
How dense is San Ramon?
San Ramon has about 4,298 people per square mile of land (20.1 square miles).
More about San Ramon
See cost of living, jobs and commutes in San Ramon, San Ramon weather by month, or every San Ramon ZIP code. For the biggest cities in the country, see the largest US cities.