Health in San Marcos, California: official figures
7.1% of residents of San Marcos (6,703 people) had no health insurance in 2020-2024, 366th lowest of 823 US cities of 50,000 or more (US: 8.4%; California: 6.6%).
How many children in San Marcos are uninsured?
In San Marcos, 2.6% of children under 19 and 10.5% of adults aged 19 to 64 were uninsured in 2020-2024, against 1.1% of those 65 and over (US: 5.5%, 11.7% and 0.8%).
Source: U.S. Census Bureau · saved copyHow many people in San Marcos are on Medicaid?
15.3% of residents of San Marcos under 65 had Medicaid or other means-tested public coverage as their only health insurance in 2020-2024, 350th lowest of 823 US cities of 50,000 or more (US: 18.1%; California: 23.9%).
Source: U.S. Census Bureau · saved copyHow many people in San Marcos have a disability?
10.8% of residents of San Marcos (10,156 people) reported a disability in 2020-2024, 271st lowest of 823 US cities of 50,000 or more (US: 13.3%; California: 11.6%); 5.4% had two or more types of disability.
Source: U.S. Census Bureau · saved copyHow many older people in San Marcos have a disability?
By age, 35.9% of residents of San Marcos aged 65 and over, 8.1% of those aged 18 to 64 and 4.3% of children under 18 reported a disability in 2020-2024 (US: 32.9%, 10.9% and 4.9%).
Source: U.S. Census Bureau · saved copyWhat is the obesity rate in San Marcos, California?
An estimated 25.5% of adults in San Marcos had obesity in 2023, 121st lowest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).
Source: Centers for Disease Control and Prevention · saved copyHow common is diabetes in San Marcos?
An estimated 9.2% of adults in San Marcos had been told by a doctor that they have diabetes, joint 232nd lowest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).
Source: Centers for Disease Control and Prevention · saved copyHow is mental health in San Marcos?
An estimated 17.0% of adults in San Marcos reported poor mental health on 14 or more of the past 30 days, joint 328th lowest of 810 US cities of 50,000 or more with an estimate, and 22.0% had ever been told they have depression (CDC PLACES model-based estimate for 2023, age-adjusted).
Source: Centers for Disease Control and Prevention · saved copyHow many adults in San Marcos have high blood pressure?
In San Marcos, an estimated 26.9% of adults had high blood pressure and 20.6% did no physical activity outside work, joint 229th lowest of 810 US cities of 50,000 or more with an estimate for physical inactivity (CDC PLACES model-based estimate for 2023, age-adjusted).
Source: Centers for Disease Control and Prevention · saved copyHow many adults in San Marcos see a doctor for a check-up?
An estimated 71.8% of adults in San Marcos had a routine check-up with a doctor in the past year, joint 240th lowest of 810 US cities of 50,000 or more with an estimate (CDC PLACES model-based estimate for 2023, age-adjusted).
Source: Centers for Disease Control and Prevention · saved copyHow San Marcos compares with other cities in the United States
Residents without health insurance (2020-2024)
San Marcos ranks 458 of 823, highest first.
| Rank | City | Residents without health insurance |
|---|---|---|
| 455 | Tustin | 7.1% |
| 456 | Mount Vernon | 7.1% |
| 457 | Philadelphia | 7.1% |
| 458 | San Marcos | 7.1% |
| 459 | Tacoma | 7.1% |
| 460 | New Britain | 7.1% |
| 461 | Hemet | 7.1% |
Residents with a disability (2020-2024)
San Marcos ranks 553 of 823, highest first.
| Rank | City | Residents with a disability |
|---|---|---|
| 550 | Arvada | 10.8% |
| 551 | South San Francisco | 10.8% |
| 552 | Milford | 10.8% |
| 553 | San Marcos | 10.8% |
| 554 | Hayward | 10.8% |
| 555 | Pasadena | 10.7% |
| 556 | Waltham | 10.7% |
Adults with obesity (age-adjusted model estimate) (2023)
San Marcos ranks 690 of 810, highest first.
| Rank | City | Adults with obesity (age-adjusted model estimate) |
|---|---|---|
| 687 | Apex | 25.6% |
| 688 | Huntersville | 25.6% |
| 689 | Malden | 25.6% |
| 690 | San Marcos | 25.5% |
| 691 | Washington | 25.4% |
| 692 | Orange | 25.4% |
| 693 | Mount Pleasant | 25.4% |
Adults with diagnosed diabetes (age-adjusted model estimate) (2023)
San Marcos ranks 571 of 810, highest first.
| Rank | City | Adults with diagnosed diabetes (age-adjusted model estimate) |
|---|---|---|
| 568 | Santa Clara | 9.2% |
| 569 | San Buenaventura (Ventura) | 9.2% |
| 570 | Federal Way | 9.2% |
| 571 | San Marcos | 9.2% |
| 572 | Cranston | 9.2% |
| 573 | Napa | 9.2% |
| 574 | Haverhill | 9.2% |
Adults who smoke cigarettes (age-adjusted model estimate) (2023)
San Marcos ranks 613 of 810, highest first.
| Rank | City | Adults who smoke cigarettes (age-adjusted model estimate) |
|---|---|---|
| 610 | Murrieta | 10.1% |
| 611 | Bend | 10.1% |
| 612 | Burbank | 10.1% |
| 613 | San Marcos | 10.1% |
| 614 | Lakeville | 10.1% |
| 615 | Redlands | 10.1% |
| 616 | Davis | 10.1% |
Adults with 14+ poor mental health days a month (age-adjusted model estimate) (2023)
San Marcos ranks 479 of 810, highest first.
| Rank | City | Adults with 14+ poor mental health days a month (age-adjusted model estimate) |
|---|---|---|
| 476 | Greer | 17.1% |
| 477 | Hillsboro | 17.0% |
| 478 | Edinburg | 17.0% |
| 479 | San Marcos | 17.0% |
| 480 | Mission Viejo | 17.0% |
| 481 | La Habra | 17.0% |
| 482 | West Allis | 17.0% |
More on San Marcos: overview · economy and jobs · education and schools · poverty and living standards · government budget · all cities in the United States
Sources
- U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table C18108: Age by Number of Disabilities (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 8116247db31952c99ba053e6b0c767675a9674703b6b32e7705f1e4952f3b426), read 23 October 2026 · saved copy (SHA-256 b8f09efa878c…)
- U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table B27010: Types of Health Insurance Coverage by Age (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 2ceba99dada3ec1042310e1dc1f00bcc819de765c3143028aa000df025012a69), read 23 October 2026 · saved copy (SHA-256 3db662ef4cb3…)
- Centers for Disease Control and Prevention: PLACES: Place Data (GIS Friendly Format), 2025 release: model-based age-adjusted prevalence among adults, for every place (data.cdc.gov API, columns used), read 23 October 2026 · saved copy (SHA-256 b2174bcc660f…)
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