Migration to and from Frederick County, Maryland
Where Frederick County residents came from and where they went over the 5-year window 2016-2020. Census ACS County-to-County Migration Flows, 2020 5-yr (frozen vintage).
Total inflow
17,786
people moved in (5-yr)
Total outflow
16,188
people moved out (5-yr)
Net migration
+1,598
inflow minus outflow
Top 10 counties people moved IN from
| Origin | State / Region | People (5-yr) |
|---|---|---|
| Montgomery County | Maryland | 3,204 |
| Howard County | Maryland | 1,106 |
| Carroll County | Maryland | 986 |
| Washington County | Maryland | 752 |
| Baltimore County | Maryland | 707 |
| Prince George's County | Maryland | 487 |
| Anne Arundel County | Maryland | 405 |
| Asia | 361 | |
| Loudoun County | Virginia | 297 |
| Baltimore City | Maryland | 296 |
Top 10 counties people moved OUT to
| Destination | State / Region | People (5-yr) |
|---|---|---|
| Montgomery County | Maryland | 2,201 |
| Washington County | Maryland | 1,766 |
| Baltimore County | Maryland | 652 |
| Baltimore City | Maryland | 507 |
| Mohave County | Arizona | 458 |
| Carroll County | Maryland | 403 |
| Jefferson County | West Virginia | 308 |
| Garrett County | Maryland | 255 |
| Howard County | Maryland | 227 |
| New York County | New York | 210 |
Explore Frederick County
- Business data for Frederick CountyConstruction sector establishments, employment, payroll
- Cities in MarylandACS demographic profiles for places statewide
- ZIP code lookupSearch demographic data by ZIP code
- Opportunity IndexRank counties by business growth potential
- Federal contracts in MDGovBids: RFPs, awards, NAICS matching
- New business filings in MarylandNewFilings: fresh SOS registrations
Methodology
- Counts represent the number of people aged 1+ who reported a different residence at the survey reference date than they did one year earlier, aggregated across the 5-year sample window 2016-2020.
- Outbound (OUT) flows are reported less frequently than inbound (IN) because the survey captures the destination side of each move. Many county pairs have null OUT counts, which is normal.
- "Total inflow" sums the published MOVEDIN counts across all origin counties, including foreign-region inflows (Africa, Asia, Central America, etc.). It is not the same as net population change.
- Frozen vintage. The Census Bureau has not released a newer county-to-county migration flows file. The 2020 5-yr vintage (covering 2016-2020) is the latest available as of build date.
Source: U.S. Census Bureau, American Community Survey, County-to-County Migration Flows: 2016-2020. Vintage: 2020 5-yr. Generated: 2026-05-28. FIPS: 24021.