Oceanside population
Oceanside, California had an estimated 170,483 residents on July 1, 2025, the 162nd-largest city in the US. That is up 2% since the 2010 Census and up 6.1% since 2000.
- Population, July 2025
- 170,483-2.1% since April 2020
- People per sq mile
- 4,13141.3 sq mi of land
- Median age
- 38.917% are 65 or older
- Households with kids
- 28.5%with anyone under 18
Population by year, 2000 to 2025
| Year | Population | Change | Basis |
|---|---|---|---|
| 2025 | 170,483 | -313 | Estimate, July 1 |
| 2024 | 170,796 | -16 | Estimate, July 1 |
| 2023 | 170,812 | -951 | Estimate, July 1 |
| 2022 | 171,763 | -1,283 | Estimate, July 1 |
| 2021 | 173,046 | -1,112 | Estimate, July 1 |
| 2020 | 174,158 | -1,558 | April 2020 estimates base |
| 2019 | 175,716 | -365 | Estimate, July 1 |
| 2018 | 176,081 | +124 | Estimate, July 1 |
| 2017 | 175,957 | +34 | Estimate, July 1 |
| 2016 | 175,923 | +599 | Estimate, July 1 |
| 2015 | 175,324 | +976 | Estimate, July 1 |
| 2014 | 174,348 | +1,327 | Estimate, July 1 |
| 2013 | 173,021 | +1,636 | Estimate, July 1 |
| 2012 | 171,385 | +1,735 | Estimate, July 1 |
| 2011 | 169,650 | +2,564 | Estimate, July 1 |
| 2010 | 167,086 | +1,201 | 2010 Census (April 1) |
| 2009 | 165,885 | +1,364 | Estimate, July 1 |
| 2008 | 164,521 | +1,493 | Estimate, July 1 |
| 2007 | 163,028 | +709 | Estimate, July 1 |
| 2006 | 162,319 | -459 | Estimate, July 1 |
| 2005 | 162,778 | -693 | Estimate, July 1 |
| 2004 | 163,471 | +352 | Estimate, July 1 |
| 2003 | 163,119 | -406 | Estimate, July 1 |
| 2002 | 163,525 | +705 | Estimate, July 1 |
| 2001 | 162,820 | +2,175 | Estimate, July 1 |
| 2000 | 160,645 | 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 Oceanside in 2025?
The Census Bureau estimates Oceanside had 170,483 residents on July 1, 2025, making it the 162nd-largest city in the US.
Is Oceanside growing?
Yes. Oceanside has grown 2% since the 2010 Census (167,086 people), and shrunk 2.1% since 2020.
What was the population of Oceanside in 2000?
About 160,645 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 167,086.
How dense is Oceanside?
Oceanside has about 4,131 people per square mile of land (41.3 square miles).
More about Oceanside
See cost of living, jobs and commutes in Oceanside, Oceanside weather by month, or every Oceanside ZIP code. For the biggest cities in the country, see the largest US cities.