Market insights · Maryland
Baltimore County, MD: growth, migration and housing
Baltimore County has 847,650 residents, down 0.7% since 2020 (-0.1% in the last year). In 2022–2023, 21,947 households moved in and 24,420 moved out (-2,473 net), while a net $292.8M of income left. Median household income is $91,768, the median home $349,300 and median rent $1,627 a month.
In Maryland: 21st of 24 counties for 5-year population growth · 21st of 24 counties for net in-migration (per resident) · 13th of 24 counties for median household income · 14th of 24 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Baltimore County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Baltimore city, MD | 7,832 | $480.6M |
| Anne Arundel County, MD | 1,648 | $98.8M |
| Howard County, MD | 1,400 | $103.5M |
| Harford County, MD | 1,393 | $87.3M |
| Prince George's County, MD | 789 | $44.3M |
| Montgomery County, MD | 666 | $44.9M |
| Carroll County, MD | 593 | $42.1M |
| York County, PA | 330 | $20.8M |
Where leavers went
Top counties by households leaving Baltimore County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Baltimore city, MD | 6,454 | $301.1M |
| Harford County, MD | 2,072 | $149.8M |
| Anne Arundel County, MD | 1,565 | $105.0M |
| Howard County, MD | 1,313 | $111.5M |
| Carroll County, MD | 842 | $69.5M |
| York County, PA | 698 | $54.9M |
| Prince George's County, MD | 620 | $34.1M |
| Montgomery County, MD | 558 | $40.4M |
BizyFi in Baltimore County
10 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Maryland 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.