Data / Population / Orinda, CA

Population in Orinda, CA

Population in Orinda, CA was 19,507 in 2025, according to the U.S. Census Bureau. That is down 0.1% from 2024. That is the 302nd highest of 376 cities in 2025.

2025, persons19,507
Change on 2024-0.1%
Rank302nd of 376Cities in California ranked
Series high19,5322024
Series low19,4542023

Next release: Friday, 14 May 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Population in Orinda, CA, 2020 to 2025

19.4K19.5K19.5K19.5K19.5K19.5K2020202120222023202420252020: 19,513 persons2021: 19,528 persons2022: 19,475 persons2023: 19,454 persons2024: 19,532 persons2025: 19,507 persons19.4K19.5K19.5K19.5K19.5K19.5K2020202220252020: 19,513 persons2021: 19,528 persons2022: 19,475 persons2023: 19,454 persons2024: 19,532 persons2025: 19,507 persons
persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12, published 2026-05-14.
All 6 values
Periodpersons
202519,507
202419,532
202319,454
202219,475
202119,528
202019,513

Compared with California and United States

Place2025
Orinda, CA19,507
California39,355,309
United States341,784,857

Rankings

Definition

Resident population. United States: Census Bureau population estimates for 1 July.

More on how it is measured
  • Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón).
  • Norway: Statistics Norway, 1 January.
  • Iceland and its municipalities: Statistics Iceland, 1 January.
  • United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June.
  • Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
  • UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

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How to cite

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (Population, Orinda, CA, 2020 to 2025) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/

MLA 9

Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Population, Orinda, CA, 2020 to 2025. U.S. Census Bureau, 14 May 2026, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Invokely, https://invokely.ai/en/population/orinda-ca. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Population, Orinda, CA, 2020 to 2025. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Also distributed by Invokely, https://invokely.ai/en/population/orinda-ca.

Harvard

U.S. Census Bureau (2026) Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Population, Orinda, CA, 2020 to 2025 [Dataset]. Available at: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/, via Invokely: https://invokely.ai/en/population/orinda-ca (Accessed: 12 October 2026).

BibTeX
@misc{census_population_orinda_ca_2025,
  author = {{U.S. Census Bureau}},
  title = {{Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Population, Orinda, CA, 2020 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/population/orinda-ca. Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Population, Orinda, CA, 2020 to 2025
PY  - 2026
DA  - 2026/05/14
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/
L2  - https://invokely.ai/en/population/orinda-ca
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/population/orinda-ca.
N1  - Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
ER  -
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Questions

What is the population in Orinda, CA?

Population in Orinda, CA was 19,507 in 2025, according to the U.S. Census Bureau. That is down 0.1% from 2024. That is the 302nd highest of 376 cities in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved by Invokely on 2026-10-12.

What was the highest population in Orinda, CA?

19,532 in 2024, the highest value since 2020 in this series.

Population elsewhere in California

Related statistics for Orinda, CA

All statistics for Orinda, CA | Orinda, CA in figures