Census Data

2020 U.S. Census Data

2020 Data


Frederick County U.S. Decennial Census total population for April 1, 2020, was 271,717.

Population estimates are produced for years between decennial censuses and updated annually, with the most recent decennial census used as the base. Frederick County’s estimated July 1, 2021 population was 279,835 residents.

The Maryland State Data Center provided The U.S. Census Bureau 2020 Demographic and Housing Characteristics in May of 2023. The data is available at the County level and for each Municipality (Incorporated) and Census Designated Place (CDP). Each profile shows five-year age cohorts by sex, major race breakdowns, households and household relationships, housing units, occupancy, and tenure. The population pyramid is a graphical representation of five-year age cohorts by sex.


2020 Census Profile

2020 Census Profile Opens in new window


2020 Census Profile of General Population and Housing

2020 Census Population Pyramid 

Quick Facts
QuickFacts provides basic count of population for areas with more than 5,000 people; includes April 1, 2020 population.


2010 Census Profile
County, municipalities, census designated places

2010 U.S. Census Populations

Population Estimates

Population Projections


Permits and Inspections Data Reports


2020 Maps


Frederick County GIS

2010 U.S. Census Data

2010 Data


The following data are total April 1, 2010 population by U.S. Census Bureau for the areas below.


Frederick County
233,385
Municipalities
Brunswick5,870
Burkittsville151
Emmitsburg2,814
Frederick city65,239
Middletown4,136
Mt. Airy*3,785
Myersville1,626
New Market656
Rosemont294
Thurmont6,170
Walkersville5,800
Woodsboro1,141
Other Small Areas
Adamstown2,372
Ballenger Creek18,274
Bartonsville1,451
Braddock Heights2,608
Buckeystown1,019
Jefferson2,111
Libertytown950
Linganore8,543
Monrovia416
Point of Rocks1,466
Sabillasville354
Spring Ridge5,795
Urbana9,175

* Mt. Airy is representative only by its Frederick County portion.