# Counties in California by COPD in adults, local model estimate, 2023

All 58 values come from Centers for Disease Control and Prevention for 2023, so the places are comparable.

- Indicator id: `adult_copd_rate_modelled`
- Unit: %
- Definition: Percentage of adults who have ever been told by a doctor, nurse or other health professional that they had chronic obstructive pulmonary disease (COPD), emphysema or chronic bronchitis. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.
- Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence (https://www.cdc.gov/places/)
- Publisher page: https://invokely.ai/en/publishers/cdc
- Retrieved: 2026-10-12
- Citation: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
- Web page: https://invokely.ai/rankings/adult-copd-rate-county-estimate/california-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Trinity County | 11.3 |
| 2 | Sierra County | 10.2 |
| 3 | Modoc County | 9.9 |
| 4 | Lake County | 9.1 |
| 4 | Siskiyou County | 9.1 |
| 6 | Plumas County | 8.7 |
| 7 | Mendocino County | 8.5 |
| 8 | Calaveras County | 8.4 |
| 8 | Mariposa County | 8.4 |
| 8 | Tehama County | 8.4 |
| 11 | Del Norte County | 8.1 |
| 12 | Humboldt County | 7.6 |
| 12 | Lassen County | 7.6 |
| 12 | Shasta County | 7.6 |
| 12 | Tuolumne County | 7.6 |
| 16 | Madera County | 7.2 |
| 16 | Nevada County | 7.2 |
| 18 | Amador County | 7.1 |
| 18 | Glenn County | 7.1 |
| 20 | Inyo County | 6.9 |
| 21 | Butte County | 6.8 |
| 21 | Sutter County | 6.8 |
| 23 | Yuba County | 6.5 |
| 24 | Alpine County | 6.4 |
| 24 | Colusa County | 6.4 |
| 24 | Kern County | 6.4 |
| 27 | Merced County | 6.1 |
| 27 | Stanislaus County | 6.1 |
| 27 | Tulare County | 6.1 |
| 30 | El Dorado County | 6 |
| 30 | Fresno County | 6 |
| 30 | Mono County | 6 |
| 33 | Kings County | 5.9 |
| 34 | San Luis Obispo County | 5.8 |
| 34 | Sonoma County | 5.8 |
| 36 | Imperial County | 5.7 |
| 36 | Monterey County | 5.7 |
| 36 | Napa County | 5.7 |
| 39 | Sacramento County | 5.6 |
| 39 | Santa Barbara County | 5.6 |
| 41 | San Joaquin County | 5.5 |
| 42 | Riverside County | 5.4 |
| 42 | Santa Cruz County | 5.4 |
| 44 | Marin County | 5.3 |
| 44 | Solano County | 5.3 |
| 46 | Placer County | 5.2 |
| 46 | San Bernardino County | 5.2 |
| 46 | Ventura County | 5.2 |
| 49 | Los Angeles County | 4.9 |
| 50 | Contra Costa County | 4.7 |
| 50 | Orange County | 4.7 |
| 50 | San Benito County | 4.7 |
| 50 | San Diego County | 4.7 |
| 50 | Yolo County | 4.7 |
| 55 | Alameda County | 4.1 |
| 56 | San Mateo County | 4 |
| 57 | San Francisco County | 3.9 |
| 58 | Santa Clara County | 3.5 |