Market insights · Maryland
Washington County, MD: growth, migration and housing
Washington County has 157,731 residents, up 2.0% since 2020 (+0.4% in the last year). In 2022–2023, 4,110 households moved in and 3,914 moved out (+196 net), bringing in a net $8.6M of income. Median household income is $77,747, the median home $296,100 and median rent $1,147 a month.
In Maryland: 14th of 24 counties for 5-year population growth · 8th of 24 counties for net in-migration (per resident) · 17th of 24 counties for median household income · 17th of 24 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Washington County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Frederick County, MD | 953 | $56.0M |
| Montgomery County, MD | 434 | $25.4M |
| Berkeley County, WV | 309 | $13.2M |
| Franklin County, PA | 304 | $14.8M |
| Prince George's County, MD | 129 | $7.2M |
| Anne Arundel County, MD | 97 | $7.2M |
| Baltimore County, MD | 78 | $4.3M |
| Carroll County, MD | 73 | $3.7M |
Where leavers went
Top counties by households leaving Washington County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Frederick County, MD | 523 | $32.0M |
| Berkeley County, WV | 521 | $27.0M |
| Franklin County, PA | 486 | $27.5M |
| Montgomery County, MD | 180 | $8.8M |
| Baltimore County, MD | 66 | $2.7M |
| Prince George's County, MD | 66 | $2.9M |
| Baltimore city, MD | 62 | $2.4M |
| Jefferson County, WV | 55 | $2.6M |
BizyFi in Washington County
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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.