Data / Households / San Marcos, CA

Households in San Marcos, CA

Households in San Marcos, CA was 31,350 in 2024, according to the U.S. Census Bureau. That is up 1.5% from 2023. That is the 81st highest of 376 cities in 2024.

2024, count31,350
Change on 2023+1.5%
Rank81st of 376Cities in California ranked
Series high31,3502024
Series low30,3042021

Next release: Friday, 29 January 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Households in San Marcos, CA, 2021 to 2024

30.3K30.5K30.8K31K31.3K31.5K20212022202320242021: 30,304 count2022: 30,503 count2023: 30,880 count2024: 31,350 count30K30.5K31K31.5K202120242021: 30,304 count2022: 30,503 count2023: 30,880 count2024: 31,350 count
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12, published 2026-01-29.
All 4 values
Periodcount
202431,350
202330,880
202230,503
202130,304

Compared with California and United States

Place2024
San Marcos, CA31,350
California13,548,091
United States129,227,496

Rankings

Definition

Number of households, which equals the number of occupied housing units. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

People living in group quarters, such as college dormitories, nursing homes and prisons, are not in households.

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How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. 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). American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more) (Households, San Marcos, CA, 2021 to 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat

MLA 9

American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more), Households, San Marcos, CA, 2021 to 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Invokely, https://invokely.ai/en/households/san-marcos-ca. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). Households, San Marcos, CA, 2021 to 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Also distributed by Invokely, https://invokely.ai/en/households/san-marcos-ca.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more), Households, San Marcos, CA, 2021 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat, via Invokely: https://invokely.ai/en/households/san-marcos-ca (Accessed: 12 October 2026).

BibTeX
@misc{census_households_san_marcos_ca_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more): Households, San Marcos, CA, 2021 to 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/households/san-marcos-ca. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more): Households, San Marcos, CA, 2021 to 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat
L2  - https://invokely.ai/en/households/san-marcos-ca
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/households/san-marcos-ca.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-12.
ER  -
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Questions

What is the households in San Marcos, CA?

Households in San Marcos, CA was 31,350 in 2024, according to the U.S. Census Bureau. That is up 1.5% from 2023. That is the 81st highest of 376 cities in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households), US cities (incorporated places of 10,000 or more). Retrieved by Invokely on 2026-10-12.

What was the highest households in San Marcos, CA?

31,350 in 2024, the highest value since 2021 in this series.

Households elsewhere in California

Related statistics for San Marcos, CA

All statistics for San Marcos, CA | San Marcos, CA in figures