Last official estimated population of Frederick County was 234,172 (year 2014)[1]. This was 0.073% of total US population and 3.9% of total Maryland state population. Area of Frederick County is 667.4 mi² (=1728.6 km²), in this year population density was 350.86 p/mi². If population growth rate would be same as in period 2010-2014 (+0.08%/yr), Frederick County population in 2024 would be 236,151 [0].
Historical population of Frederick County for period 1790-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position
[1790-1800] +0.24 %/yr
[1800-1810] +0.89 %/yr
[1810-1820] +1.62 %/yr
[1820-1830] +1.25 %/yr
[1830-1840] -2.27 %/yr
[1840-1850] +1.19 %/yr
[1850-1860] +1.29 %/yr
[1860-1870] +0.21 %/yr
[1870-1880] +0.6 %/yr
[1880-1890] -0.19 %/yr
[1890-1900] +0.48 %/yr
[1900-1910] +0.14 %/yr
[1910-1920] -0.03 %/yr
[1920-1930] +0.36 %/yr
[1930-1940] +0.52 %/yr
[1940-1950] +0.84 %/yr
[1950-1960] +1.45 %/yr
[1960-1970] +1.67 %/yr
[1970-1980] +3.06 %/yr
[1980-1990] +2.73 %/yr
[1990-2000] +2.66 %/yr
[2000-2005] +2.52 %/yr
[2005-2010] +1.08 %/yr
[2010-2014] +0.08 %/yr
Looking for settlements in Frederick County? Visit this page: Settlements in Frederick County, MD
Population of Frederick County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 7547 | 6983 | 14,530 |
5 to 9 | 8188 | 7852 | 16,040 |
10 to 14 | 8786 | 8364 | 17,150 |
15 to 19 | 8845 | 8310 | 17,155 |
20 to 24 | 7672 | 7355 | 15,027 |
25 to 29 | 7239 | 7426 | 14,665 |
30 to 34 | 7607 | 7807 | 15,414 |
35 to 39 | 7440 | 7556 | 14,996 |
40 to 44 | 8430 | 8702 | 17,132 |
45 to 49 | 9333 | 9605 | 18,938 |
50 to 54 | 9983 | 10216 | 20,199 |
55 to 59 | 8564 | 8739 | 17,303 |
60 to 64 | 6628 | 7023 | 13,651 |
65 to 69 | 5358 | 5681 | 11,039 |
70 to 74 | 3444 | 3995 | 7,439 |
75 to 79 | 2210 | 2728 | 4,938 |
80 to 84 | 1557 | 2155 | 3,712 |
85+ | 1354 | 2993 | 4,347 |
Frederick County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
Race | Male | Female | Total |
NH | 109540 | 113626 | 223,166 |
WAC | 102542 | 105366 | 207,908 |
WA | 99529 | 102230 | 201,759 |
NHWAC | 93200 | 96708 | 189,908 |
NHWA | 90538 | 93959 | 184,497 |
BAC | 13226 | 13381 | 26,607 |
NHBAC | 12213 | 12407 | 24,620 |
BA | 11480 | 11470 | 22,950 |
NHBA | 10690 | 10749 | 21,439 |
H | 10645 | 9864 | 20,509 |
HWAC | 9342 | 8658 | 18,000 |
HWA | 8991 | 8271 | 17,262 |
AAC | 6395 | 6886 | 13,281 |
NHAAC | 6211 | 6702 | 12,913 |
AA | 5188 | 5717 | 10,905 |
NHAA | 5083 | 5616 | 10,699 |
TOM | 3283 | 3417 | 6,700 |
NHTOM | 2887 | 2979 | 5,866 |
IAC | 1262 | 1266 | 2,528 |
HBAC | 1013 | 974 | 1,987 |
NHIAC | 791 | 821 | 1,612 |
HBA | 790 | 721 | 1,511 |
IA | 590 | 535 | 1,125 |
HIAC | 471 | 445 | 916 |
HTOM | 396 | 438 | 834 |
HIA | 324 | 284 | 608 |
NHIA | 266 | 251 | 517 |
NAC | 246 | 253 | 499 |
NHNAC | 188 | 184 | 372 |
HAAC | 184 | 184 | 368 |
NA | 115 | 121 | 236 |
HAA | 105 | 101 | 206 |
NHNA | 76 | 72 | 148 |
HNAC | 58 | 69 | 127 |
HNA | 39 | 49 | 88 |
• Montgomery County population
25.3 mi, 155°
• Loudoun County
29.8 mi, 205°
• Howard County
29.4 mi, 120°
• Carroll County
21.4 mi, 72°
• Franklin County
36 mi, 331°
• Washington County
24.1 mi, 292°
• Berkeley County
34.2 mi, 267°
• Adams County
29.2 mi, 19°
• Jefferson County
27.3 mi, 245°
• Clarke County
40.1 mi, 232°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
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