Last official estimated population of Prince George's County was 865,905 (year 2014)[1]. This was 0.272% of total US population and 14.4% of total Maryland state population. Area of Prince George's County is 498.8 mi² (=1292 km²), in this year population density was 1,735.85 p/mi². If population growth rate would be same as in period 2010-2014 (+0.07%/yr), Prince George's County population in 2026 would be 873,403 [0].
Historical population of Prince George's 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] -0.07 %/yr
[1800-1810] -0.28 %/yr
[1810-1820] -0.18 %/yr
[1820-1830] +0.13 %/yr
[1830-1840] -0.47 %/yr
[1840-1850] +0.98 %/yr
[1850-1860] +0.8 %/yr
[1860-1870] -0.98 %/yr
[1870-1880] +2.27 %/yr
[1880-1890] -0.14 %/yr
[1890-1900] +1.38 %/yr
[1900-1910] +1.92 %/yr
[1910-1920] +1.83 %/yr
[1920-1930] +3.32 %/yr
[1930-1940] +4.06 %/yr
[1940-1950] +8.05 %/yr
[1950-1960] +6.29 %/yr
[1960-1970] +6.34 %/yr
[1970-1980] +0.07 %/yr
[1980-1990] +0.83 %/yr
[1990-2000] +1.04 %/yr
[2000-2005] +1.27 %/yr
[2005-2010] +0.24 %/yr
[2010-2014] +0.07 %/yr
Looking for settlements in Prince George's County? Visit this page: Settlements in Prince George's County, MD
Population of Prince George's County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 30733 | 29436 | 60,169 |
| 5 to 9 | 29607 | 28448 | 58,055 |
| 10 to 14 | 27775 | 26392 | 54,167 |
| 15 to 19 | 31110 | 29779 | 60,889 |
| 20 to 24 | 35541 | 33368 | 68,909 |
| 25 to 29 | 35218 | 34497 | 69,715 |
| 30 to 34 | 32822 | 33709 | 66,531 |
| 35 to 39 | 30249 | 31344 | 61,593 |
| 40 to 44 | 30141 | 32405 | 62,546 |
| 45 to 49 | 29957 | 34159 | 64,116 |
| 50 to 54 | 30903 | 35719 | 66,622 |
| 55 to 59 | 27365 | 32527 | 59,892 |
| 60 to 64 | 21988 | 27932 | 49,920 |
| 65 to 69 | 16809 | 21548 | 38,357 |
| 70 to 74 | 10877 | 14518 | 25,395 |
| 75 to 79 | 7155 | 9609 | 16,764 |
| 80 to 84 | 4308 | 6386 | 10,694 |
| 85+ | 3046 | 7050 | 10,096 |
Prince George's 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 | 352254 | 399616 | 751,870 |
| BAC | 278309 | 324505 | 602,814 |
| BA | 270099 | 314939 | 585,038 |
| NHBAC | 265128 | 311450 | 576,578 |
| NHBA | 259110 | 303973 | 563,083 |
| WAC | 136515 | 123647 | 260,162 |
| WA | 128336 | 114861 | 243,197 |
| H | 83350 | 69210 | 152,560 |
| NHWAC | 70153 | 70375 | 140,528 |
| NHWA | 64428 | 63806 | 128,234 |
| HWAC | 66362 | 53272 | 119,634 |
| HWA | 63908 | 51055 | 114,963 |
| AAC | 23260 | 24971 | 48,231 |
| NHAAC | 21891 | 23633 | 45,524 |
| AA | 20196 | 21648 | 41,844 |
| NHAA | 19405 | 20862 | 40,267 |
| HBAC | 13181 | 13055 | 26,236 |
| TOM | 11066 | 12356 | 23,422 |
| HBA | 10989 | 10966 | 21,955 |
| IAC | 9231 | 9126 | 18,357 |
| NHTOM | 8090 | 9625 | 17,715 |
| HIAC | 5471 | 4422 | 9,893 |
| IA | 5063 | 4227 | 9,290 |
| NHIAC | 3760 | 4704 | 8,464 |
| HIA | 4036 | 3098 | 7,134 |
| HTOM | 2976 | 2731 | 5,707 |
| NAC | 1323 | 1392 | 2,715 |
| HAAC | 1369 | 1338 | 2,707 |
| NHIA | 1027 | 1129 | 2,156 |
| NA | 844 | 795 | 1,639 |
| HAA | 791 | 786 | 1,577 |
| HNAC | 758 | 699 | 1,457 |
| NHNAC | 565 | 693 | 1,258 |
| HNA | 650 | 574 | 1,224 |
| NHNA | 194 | 221 | 415 |
• Fairfax County population
22.9 mi,
270°
• Montgomery County
28.8 mi,
318°
• District of Columbia
10.6 mi,
300°
• Anne Arundel County
19.3 mi,
53°
• Arlington County
14.1 mi,
284°
• Charles County
26 mi,
200°
• Alexandria city
12.8 mi,
268°
• Calvert County
27.1 mi,
140°
• Fairfax city
24.4 mi,
274°
• Falls Church city
18.1 mi,
282°
[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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