Market insights · California
San Diego County, CA: growth, migration and housing
San Diego County has 3,282,248 residents, down 0.6% since 2020 (-0.2% in the last year). In 2022–2023, 68,029 households moved in and 73,553 moved out (-5,524 net), while a net $209.2M of income left. Median household income is $106,268, the median home $854,700 and median rent $2,246 a month.
In California: 28th of 58 counties for 5-year population growth · 26th of 58 counties for net in-migration (per resident) · 14th of 58 counties for median household income · 10th of 58 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to San Diego County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Los Angeles County, CA | 6,449 | $594.3M |
| Riverside County, CA | 5,038 | $347.0M |
| Orange County, CA | 4,006 | $383.4M |
| San Bernardino County, CA | 1,719 | $109.3M |
| Maricopa County, AZ | 1,706 | $136.6M |
| Santa Clara County, CA | 1,584 | $264.2M |
| Clark County, NV | 1,125 | $98.4M |
| King County, WA | 1,112 | $160.0M |
Where leavers went
Top counties by households leaving San Diego County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Riverside County, CA | 6,563 | $529.8M |
| Los Angeles County, CA | 4,999 | $397.9M |
| Orange County, CA | 3,258 | $303.6M |
| Maricopa County, AZ | 2,410 | $236.5M |
| Clark County, NV | 1,808 | $166.2M |
| San Bernardino County, CA | 1,333 | $83.6M |
| Santa Clara County, CA | 1,191 | $160.3M |
| King County, WA | 1,128 | $109.7M |
BizyFi in San Diego County
81 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse California companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.