📍 View location on OpenStreetMap (38.911670, -121.085590)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 95603 |
| Primary City | Auburn |
| State / Province | CA |
| County | Placer |
| Total Population | 28,432 |
| Population Density | 307.0 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 95603 | Placer County records | CA records |
|---|---|---|---|
| Population estimate | 28,432 | 422,749 (sum) | 39,286,245 (sum) |
| Population Density | 307.0 /sq mi | -- | -- |
| County population rank | #7 of 30 | -- | -- |
| State population rank | #638 of 1,762 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 95604 | Auburn | 0.7 mi | 27 |
| ZIP 95658 | Newcastle | 4.2 mi | 5,894 |
| ZIP 95614 | Cool | 5.5 mi | 3,954 |
| ZIP 95602 | Auburn | 5.6 mi | 19,701 |
| ZIP 95663 | Penryn | 6.4 mi | 3,090 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →