Market insights · Virginia
Fairfax County, VA: growth, migration and housing
Fairfax County has 1,167,873 residents, up 1.7% since 2020 (+0.7% in the last year). In 2022–2023, 38,617 households moved in and 43,381 moved out (-4,764 net), while a net $804.7M of income left. Median household income is $153,637, the median home $732,800 and median rent $2,276 a month.
In Virginia: 66th of 133 counties for 5-year population growth · 128th of 133 counties for net in-migration (per resident) · 2nd of 133 counties for median household income · 5th of 133 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Fairfax County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Arlington County, VA | 3,648 | $473.9M |
| Alexandria city, VA | 3,351 | $335.8M |
| Loudoun County, VA | 2,814 | $321.4M |
| Prince William County, VA | 2,805 | $213.9M |
| District of Columbia, DC | 1,662 | $245.3M |
| Montgomery County, MD | 1,396 | $175.1M |
| Prince George's County, MD | 1,292 | $84.3M |
| Fairfax city, VA | 698 | $62.1M |
Where leavers went
Top counties by households leaving Fairfax County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Loudoun County, VA | 4,287 | $553.4M |
| Prince William County, VA | 4,212 | $351.9M |
| Arlington County, VA | 2,724 | $262.4M |
| Alexandria city, VA | 2,536 | $214.4M |
| District of Columbia, DC | 1,177 | $140.0M |
| Prince George's County, MD | 1,107 | $75.2M |
| Montgomery County, MD | 1,040 | $123.1M |
| Fairfax city, VA | 843 | $78.4M |
BizyFi in Fairfax County
254 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Virginia 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.