Market insights · New Jersey
Warren County, NJ: growth, migration and housing
Warren County has 112,953 residents, up 3.2% since 2020 (+0.5% in the last year). In 2022–2023, 3,259 households moved in and 3,211 moved out (+48 net), bringing in a net $9.1M of income. Median household income is $100,869, the median home $346,500 and median rent $1,409 a month.
In New Jersey: 8th of 21 counties for 5-year population growth · 5th of 21 counties for net in-migration (per resident) · 11th of 21 counties for median household income · 16th of 21 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Warren County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Morris County, NJ | 504 | $39.6M |
| Hunterdon County, NJ | 291 | $26.0M |
| Northampton County, PA | 215 | $9.6M |
| Sussex County, NJ | 205 | $15.8M |
| Essex County, NJ | 204 | $14.3M |
| Middlesex County, NJ | 160 | $11.3M |
| Somerset County, NJ | 158 | $12.9M |
| Union County, NJ | 144 | $10.7M |
Where leavers went
Top counties by households leaving Warren County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Northampton County, PA | 416 | $26.5M |
| Morris County, NJ | 338 | $25.2M |
| Hunterdon County, NJ | 231 | $17.4M |
| Sussex County, NJ | 148 | $12.8M |
| Somerset County, NJ | 95 | $6.8M |
| Lehigh County, PA | 93 | $4.7M |
| Middlesex County, NJ | 90 | $6.1M |
| Essex County, NJ | 88 | $4.5M |
BizyFi in Warren 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.