Market insights · Arizona
Maricopa County, AZ: growth, migration and housing
Maricopa County has 4,689,558 residents, up 5.5% since 2020 (+0.8% in the last year). In 2022–2023, 91,115 households moved in and 85,508 moved out (+5,607 net), bringing in a net $1.39B of income. Median household income is $89,300, the median home $452,800 and median rent $1,708 a month.
In Arizona: 5th of 15 counties for 5-year population growth · 10th of 15 counties for net in-migration (per resident) · 1st of 15 counties for median household income · 1st of 15 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Maricopa County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Pinal County, AZ | 6,549 | $371.4M |
| Los Angeles County, CA | 3,562 | $282.3M |
| Pima County, AZ | 3,262 | $213.3M |
| San Diego County, CA | 2,410 | $236.5M |
| Orange County, CA | 1,858 | $197.5M |
| Yavapai County, AZ | 1,817 | $133.3M |
| Cook County, IL | 1,698 | $223.8M |
| Riverside County, CA | 1,550 | $103.0M |
Where leavers went
Top counties by households leaving Maricopa County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Pinal County, AZ | 10,805 | $714.7M |
| Pima County, AZ | 2,720 | $179.9M |
| Yavapai County, AZ | 2,297 | $207.2M |
| Los Angeles County, CA | 2,181 | $174.7M |
| San Diego County, CA | 1,706 | $136.6M |
| Clark County, NV | 1,338 | $92.4M |
| King County, WA | 1,322 | $151.0M |
| Coconino County, AZ | 1,297 | $88.4M |
BizyFi in Maricopa County
49 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Arizona 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.