Population.us > Counties > Maryland > Montgomery County

Population of Montgomery County

Last official estimated population of Montgomery County was 975,934 (year 2014)[1]. This was 0.306% of total US population and 16.2% of total Maryland state population. Area of Montgomery County is 506.9 mi² (=1312.9 km²), in this year population density was 1,925.28 p/mi². If population growth rate would be same as in period 2010-2014 (+0.11%/yr), Montgomery County population in 2021 would be 983,252 [0].


Historical population

Historical population of Montgomery County for period 1790-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

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.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1790-1800] -1.77 %/yr
[1800-1810] +1.79 %/yr
[1810-1820] -0.92 %/yr
[1820-1830] +1.91 %/yr
[1830-1840] -2.45 %/yr
[1840-1850] +0.26 %/yr
[1850-1860] +1.45 %/yr
[1860-1870] +1.16 %/yr
[1870-1880] +1.87 %/yr
[1880-1890] +0.94 %/yr
[1890-1900] +1.14 %/yr
[1900-1910] +0.53 %/yr
[1910-1920] +0.85 %/yr
[1920-1930] +3.49 %/yr
[1930-1940] +5.48 %/yr
[1940-1950] +6.96 %/yr
[1950-1960] +7.57 %/yr
[1960-1970] +4.37 %/yr
[1970-1980] +1.03 %/yr
[1980-1990] +2.8 %/yr
[1990-2000] +1.37 %/yr
[2000-2005] +1.07 %/yr
[2005-2010] +1.07 %/yr
[2010-2014] +0.11 %/yr

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Demography

Population of Montgomery County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 34467 32859 67,326
5 to 9 34200 33386 67,586
10 to 14 34177 33099 67,276
15 to 19 32442 30524 62,966
20 to 24 29971 28160 58,131
25 to 29 32886 34066 66,952
30 to 34 35164 36922 72,086
35 to 39 34283 36760 71,043
40 to 44 34770 37824 72,594
45 to 49 34865 38998 73,863
50 to 54 36690 40570 77,260
55 to 59 34349 38044 72,393
60 to 64 28145 31941 60,086
65 to 69 21503 25198 46,701
70 to 74 14380 17669 32,049
75 to 79 9687 12835 22,522
80 to 84 6994 10242 17,236
85+ 7488 14889 22,377

Montgomery 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 399355 438215 837,570
WAC 326403 340594 666,997
WA 312330 326109 638,439
NHWAC 240485 256355 496,840
NHWA 229309 244817 474,126
BAC 97510 112114 209,624
BA 90098 103792 193,890
H 97106 95771 192,877
NHBAC 89218 103150 192,368
NHBA 83510 96667 180,177
AAC 81796 91313 173,109
HWAC 85918 84239 170,157
NHAAC 79666 89060 168,726
HWA 83021 81292 164,313
AA 73745 83227 156,972
NHAA 72643 82031 154,674
TOM 16085 16856 32,941
NHTOM 12851 13528 26,379
HBAC 8292 8964 17,256
IAC 7222 7400 14,622
HBA 6588 7125 13,713
HIAC 4124 3849 7,973
IA 3718 3525 7,243
NHIAC 3098 3551 6,649
HTOM 3234 3328 6,562
HIA 2892 2591 5,483
HAAC 2130 2253 4,383
NAC 1215 1295 2,510
HAA 1102 1196 2,298
NHIA 826 934 1,760
NHNAC 790 910 1,700
NA 485 477 962
HNAC 425 385 810
HNA 269 239 508
NHNA 216 238 454

Counties near Montgomery County

Fairfax County population 21.6 mi, 190°
District of Columbia 19 mi, 148°
Loudoun County 23.7 mi, 260°
Howard County 16.9 mi, 61°
Frederick County 25.3 mi, 335°
Arlington County 18.7 mi, 162°
Alexandria city 22.8 mi, 163°
Fairfax city 20.3 mi, 194°
Manassas Park city 28.7 mi, 207°
Falls Church city 17.5 mi, 175°


Sources, notices

[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

See note 1 Maryland Notes

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