Market insights · Maryland
Carroll County, MD: growth, migration and housing
Carroll County has 176,677 residents, up 2.2% since 2020 (-0.1% in the last year). In 2022–2023, 3,971 households moved in and 4,174 moved out (-203 net), while a net $13.2M of income left. Median household income is $118,211, the median home $434,000 and median rent $1,427 a month.
In Maryland: 11th of 24 counties for 5-year population growth · 17th of 24 counties for net in-migration (per resident) · 8th of 24 counties for median household income · 7th of 24 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Carroll County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Baltimore County, MD | 842 | $69.5M |
| Howard County, MD | 461 | $45.6M |
| Frederick County, MD | 363 | $30.5M |
| Anne Arundel County, MD | 278 | $25.7M |
| Montgomery County, MD | 231 | $18.9M |
| Baltimore city, MD | 199 | $16.1M |
| York County, PA | 156 | $9.2M |
| Adams County, PA | 91 | $4.7M |
Where leavers went
Top counties by households leaving Carroll County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Baltimore County, MD | 593 | $42.1M |
| Frederick County, MD | 352 | $27.9M |
| York County, PA | 313 | $22.0M |
| Howard County, MD | 247 | $20.6M |
| Adams County, PA | 171 | $12.5M |
| Baltimore city, MD | 166 | $11.2M |
| Anne Arundel County, MD | 158 | $12.6M |
| Montgomery County, MD | 124 | $8.5M |
BizyFi in Carroll 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 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.