Market insights · New Jersey
Union County, NJ: growth, migration and housing
Union County has 601,863 residents, up 5.0% since 2020 (+0.5% in the last year). In 2022–2023, 14,901 households moved in and 16,779 moved out (-1,878 net), while a net $63.9M of income left. Median household income is $103,202, the median home $529,200 and median rent $1,730 a month.
In New Jersey: 2nd of 21 counties for 5-year population growth · 17th of 21 counties for net in-migration (per resident) · 10th of 21 counties for median household income · 6th of 21 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Union County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Essex County, NJ | 2,803 | $202.1M |
| Hudson County, NJ | 1,714 | $252.5M |
| Middlesex County, NJ | 1,682 | $116.6M |
| Kings County, NY | 942 | $94.6M |
| Somerset County, NJ | 713 | $55.7M |
| Queens County, NY | 575 | $46.9M |
| New York County, NY | 482 | $103.4M |
| Morris County, NJ | 467 | $75.7M |
Where leavers went
Top counties by households leaving Union County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Middlesex County, NJ | 2,491 | $170.7M |
| Essex County, NJ | 1,955 | $124.8M |
| Somerset County, NJ | 1,238 | $107.5M |
| Hudson County, NJ | 903 | $74.1M |
| Morris County, NJ | 651 | $114.4M |
| New York County, NY | 523 | $68.3M |
| Monmouth County, NJ | 503 | $80.2M |
| Ocean County, NJ | 457 | $55.1M |
BizyFi in Union County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse New Jersey 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.