Last official estimated population of Mercer County was 116,571 (year 2014)[1]. This was 0.037% of total US population and 0.9% of total Pennsylvania state population. Area of Mercer County is 682.6 mi² (=1767.9 km²), in this year population density was 170.77 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Mercer County population in 2024 would be 116,404 [0].
Historical population of Mercer County for period 1800-2014 [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
[1800-1810] +9.87 %/yr
[1810-1820] +3.5 %/yr
[1820-1830] +5.38 %/yr
[1830-1840] +5.24 %/yr
[1840-1850] +0.09 %/yr
[1850-1860] +1.06 %/yr
[1860-1870] +3.09 %/yr
[1870-1880] +1.17 %/yr
[1880-1890] -0.07 %/yr
[1890-1900] +0.29 %/yr
[1900-1910] +3.08 %/yr
[1910-1920] +1.9 %/yr
[1920-1930] +0.57 %/yr
[1930-1940] +0.18 %/yr
[1940-1950] +1.03 %/yr
[1950-1960] +1.31 %/yr
[1960-1970] -0.03 %/yr
[1970-1980] +0.09 %/yr
[1980-1990] -0.58 %/yr
[1990-2000] -0.05 %/yr
[2000-2005] -0.3 %/yr
[2005-2010] -0.33 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Mercer County? Visit this page: Settlements in Mercer County, PA
Population of Mercer County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 2888 | 2762 | 5,650 |
5 to 9 | 3045 | 3083 | 6,128 |
10 to 14 | 3479 | 3396 | 6,875 |
15 to 19 | 4456 | 3759 | 8,215 |
20 to 24 | 4109 | 3809 | 7,918 |
25 to 29 | 2986 | 2849 | 5,835 |
30 to 34 | 3033 | 2910 | 5,943 |
35 to 39 | 2975 | 2891 | 5,866 |
40 to 44 | 3353 | 3362 | 6,715 |
45 to 49 | 3812 | 3703 | 7,515 |
50 to 54 | 4223 | 4191 | 8,414 |
55 to 59 | 4409 | 4556 | 8,965 |
60 to 64 | 3947 | 4098 | 8,045 |
65 to 69 | 3142 | 3430 | 6,572 |
70 to 74 | 2304 | 2823 | 5,127 |
75 to 79 | 1790 | 2201 | 3,991 |
80 to 84 | 1248 | 1919 | 3,167 |
85+ | 1342 | 2601 | 3,943 |
Mercer 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 | 55718 | 57698 | 113,416 |
WAC | 52399 | 54575 | 106,974 |
NHWAC | 51701 | 54035 | 105,736 |
WA | 51549 | 53674 | 105,223 |
NHWA | 50903 | 53185 | 104,088 |
BAC | 4242 | 3733 | 7,975 |
NHBAC | 4121 | 3614 | 7,735 |
BA | 3651 | 3098 | 6,749 |
NHBA | 3567 | 3020 | 6,587 |
TOM | 907 | 959 | 1,866 |
NHTOM | 847 | 903 | 1,750 |
H | 823 | 645 | 1,468 |
HWAC | 698 | 540 | 1,238 |
HWA | 646 | 489 | 1,135 |
AAC | 467 | 656 | 1,123 |
NHAAC | 450 | 653 | 1,103 |
AA | 319 | 503 | 822 |
NHAA | 315 | 503 | 818 |
IAC | 327 | 310 | 637 |
NHIAC | 279 | 270 | 549 |
HBAC | 121 | 119 | 240 |
IA | 108 | 94 | 202 |
HBA | 84 | 78 | 162 |
NHIA | 80 | 72 | 152 |
HTOM | 60 | 56 | 116 |
NAC | 42 | 51 | 93 |
HIAC | 48 | 40 | 88 |
NHNAC | 38 | 50 | 88 |
HIA | 28 | 22 | 50 |
NA | 7 | 15 | 22 |
NHNA | 6 | 15 | 21 |
HAAC | 17 | 3 | 20 |
HNAC | 4 | 1 | 5 |
HAA | 4 | 0 | 4 |
HNA | 1 | 0 | 1 |
• Mahoning County population
33.5 mi, 233°
• Trumbull County
26.8 mi, 270°
• Butler County
31.8 mi, 146°
• Beaver County
42.9 mi, 186°
• Columbiana County
45.7 mi, 216°
• Ashtabula County
49 mi, 328°
• Lawrence County
21.7 mi, 191°
• Crawford County
27.8 mi, 15°
• Venango County
26.8 mi, 74°
• Clarion County
43.8 mi, 99°
[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
*Allegheny Pennsylvania Notes
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