Columbia, CA ZIP Codes
2 ZIP codes serve Columbia, California: 95370 and 95310. Together they are home to 29,711 residents in 12,867 households. That is more than the 2,235 people counted inside Columbia Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $54,697 in 95310 to $82,990 in 95370.
Columbia Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 2,235 |
| Households | 993 |
| Median household income | $58,520 |
| Median home value | $376,200 |
| Median age | 49.8 |
| Median rent | $1,217 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 29,711 |
| Households (sum of ZIP codes) | 12,867 |
| Median household income, range across ZIP codes | $54,697 (95310) to $82,990 (95370) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $81,631 |
| Homeowners | 69.2% |
| Households with kids under 18 | 22.6% |
| Moved in the past year | 11.2% |
| Carrier routes in EDDM2GO's route library | 24 routes, 13,006 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Columbia: 95370 ($82,990)
- Most residents: 95370 (28,355 people)
- Highest homeownership: 95310 (71.5% own their home)
- Most households with kids: 95370 (23.2% of households)
- Most new movers: 95370 (11.3% moved in last year)
- Youngest median age: 95370 (49.1 years)
- Highest median home value: 95370 ($448,400)
Every ZIP code in Columbia
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 95370 | Sonora | 28,355 | 12,249 | $82,990 | $448,400 | 69.1% | 23.2% | 11.3% | 22 | 13,254 | 3% of its land |
| 95310 | Columbia | 1,356 | 618 | $54,697 | $434,800 | 71.5% | 10.2% | 8.9% | 2 | 849 | 8% of its land; mailing city |
A ZIP code is listed for Columbia when at least 10% of its land lies inside the Columbia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Columbia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Columbia.
Counties
- Tuolumne County — 15 ZIP codes
Price a mailing to Columbia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Columbia, CA?
- 95370 and 95310. A ZIP code is listed for Columbia when at least 10% of its land lies inside the Columbia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Columbia.
- What is the population of Columbia, CA?
- The Census Bureau counts 2,235 residents inside Columbia Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Columbia hold 29,711 residents in all.
- What is the median household income in Columbia, CA?
- $58,520 inside Columbia Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $54,697 to $82,990.
- Which Columbia ZIP code has the highest median household income?
- 95370, at $82,990, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Columbia, CA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 24 carrier routes reaching 13,006 residential and 1,113 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.