Population
302,883
2025
+11.0% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Frederick County had an estimated 302,883 residents in 2025, up 11.0% (30,116 more people) since 2020. That is faster than Maryland as a whole (+1.4%), and the 1st fastest growth of 24 counties in Maryland.
Data as of 2025 · updated
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302,883
2025
+11.0% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+2,212
2025
7.3 per 1,000 residents
+19,797 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
3.5%
2025
+0.7 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
1,168
2025
−58.3% since 2021
3.9 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$122,002
2020–24
+21.2% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
95,077
2023
+2.6% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration added 2,212 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 95,077 paid employees in mid-March 2023, +2.6% since 2018 (County Business Patterns).
Unemployment averaged 3.5% in 2025, 0.7 points higher than in 2019 (before the pandemic).
Builders were authorized to start 1,168 new homes in 2025, or 3.9 per 1,000 residents.
Median household income was $122,002 in the 2020–24 American Community Survey, +21.2% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 157th.
Part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area.
Email me when Frederick County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
| Year | Population | Change |
|---|---|---|
| 2025 | 302,883 | +4,028 |
| 2024 | 298,855 | +5,113 |
| 2023 | 293,742 | +5,843 |
| 2022 | 287,899 | +7,379 |
| 2021 | 280,520 | +7,753 |
| 2020 | 272,767 | – |
Census Bureau population estimates, July 1 of each year.
Frederick County grew by 30,116 people since 2020; the largest part came from domestic migration (+19,797).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +1,107 | +5,154 | |
| International migrationfrom and to other countries | +698 | +5,273 | |
| Domestic migrationfrom and to other U.S. counties | +2,212 | +19,797 | |
| Census adjustmentbalancing residual | +11 | −108 | |
| Total change | +4,028 | +30,116 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Maryland | Among U.S. counties |
|---|---|---|
| Population growth | 1st of 24 | 157th of 3,107 |
| Net domestic migration per 1,000 residents | 6th of 24 | 799th of 3,108 |
| Private-sector job growth | 7th of 24 | 1,521st of 3,092 |
| Median household income | 6th of 24 | 50th of 3,107 |
| Lowest unemployment rate | 6th of 24 | 937th of 3,108 |
| New homes permitted per 1,000 residents | 6th of 24 | 866th of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
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Frederick County grew faster than all 7 of its neighbouring counties (+11.0%, 2020–25).
3 of its 7 neighbouring counties had a higher median household income than Frederick County's $122,002 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Frederick County, MD This county | 302,883 | +11.0% | 7.3 | 3.9 | $122,002 |
| Montgomery County, MD | 1,074,582 | +1.3% | −9.2 | 1.3 | $132,450 |
| Washington County, MD | 157,731 | +2.0% | 3.7 | 2.2 | $77,747 |
| Carroll County, MD | 176,677 | +2.2% | −0.6 | 0.9 | $118,211 |
| Adams County, PA | 107,594 | +3.6% | 5.5 | 4.4 | $84,092 |
| Loudoun County, VA | 449,749 | +6.4% | −0.3 | 3.5 | $181,765 |
| Howard County, MD | 339,183 | +1.9% | −1.5 | 2.1 | $149,763 |
| Franklin County, PA | 160,652 | +3.0% | 6.1 | 6.4 | $77,003 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Yes. Its population grew 11.0% between 2020 and 2025, about 30,116 more people (Census Bureau population estimates). Maryland as a whole changed +1.4% over the same years. That ranks 1st of 24 counties in Maryland for population growth.
On net, about 2,212 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 3.5% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 302,883 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 95,077 paid employees in mid-March 2023, +2.6% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Maryland county pages carry the public federal growth figures.
Email me when Frederick County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.