Last official estimated population of Chester County was 499,883 (year 2014)[1]. This was 0.157% of total US population and 3.9% of total Pennsylvania state population. Area of Chester County is 759.2 mi² (=1966.4 km²), in this year population density was 658.40 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Chester County population in 2024 would be 502,384 [0].
Historical population of Chester 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] +1.4 %/yr
[1800-1810] +2.12 %/yr
[1810-1820] +1.16 %/yr
[1820-1830] +1.37 %/yr
[1830-1840] +1.23 %/yr
[1840-1850] +1.45 %/yr
[1850-1860] +1.16 %/yr
[1860-1870] +0.42 %/yr
[1870-1880] +0.71 %/yr
[1880-1890] +0.68 %/yr
[1890-1900] +0.69 %/yr
[1900-1910] +1.33 %/yr
[1910-1920] +0.53 %/yr
[1920-1930] +0.96 %/yr
[1930-1940] +0.69 %/yr
[1940-1950] +1.61 %/yr
[1950-1960] +2.84 %/yr
[1960-1970] +2.83 %/yr
[1970-1980] +1.3 %/yr
[1980-1990] +1.74 %/yr
[1990-2000] +1.42 %/yr
[2000-2005] +1.67 %/yr
[2005-2010] +1.18 %/yr
[2010-2014] +0.05 %/yr
Looking for settlements in Chester County? Visit this page: Settlements in Chester County, PA
Population of Chester County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 15036 | 14262 | 29,298 |
5 to 9 | 17137 | 16437 | 33,574 |
10 to 14 | 18354 | 17633 | 35,987 |
15 to 19 | 18555 | 17936 | 36,491 |
20 to 24 | 15945 | 15537 | 31,482 |
25 to 29 | 14870 | 14299 | 29,169 |
30 to 34 | 14569 | 14533 | 29,102 |
35 to 39 | 15039 | 15174 | 30,213 |
40 to 44 | 16924 | 17361 | 34,285 |
45 to 49 | 18585 | 19295 | 37,880 |
50 to 54 | 20147 | 20849 | 40,996 |
55 to 59 | 18823 | 19342 | 38,165 |
60 to 64 | 15338 | 16209 | 31,547 |
65 to 69 | 11775 | 12857 | 24,632 |
70 to 74 | 8170 | 9411 | 17,581 |
75 to 79 | 5444 | 6687 | 12,131 |
80 to 84 | 3909 | 5370 | 9,279 |
85+ | 3630 | 7342 | 10,972 |
Chester 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 | 232661 | 243872 | 476,533 |
WAC | 222729 | 229907 | 452,636 |
WA | 218686 | 225882 | 444,568 |
NHWAC | 205192 | 215106 | 420,298 |
NHWA | 201687 | 211612 | 413,299 |
BAC | 18902 | 19194 | 38,096 |
H | 19589 | 16662 | 36,251 |
NHBAC | 17212 | 17579 | 34,791 |
BA | 16381 | 16577 | 32,958 |
HWAC | 17537 | 14801 | 32,338 |
HWA | 16999 | 14270 | 31,269 |
NHBA | 15086 | 15379 | 30,465 |
AAC | 13239 | 14240 | 27,479 |
NHAAC | 13015 | 13962 | 26,977 |
AA | 11844 | 12844 | 24,688 |
NHAA | 11718 | 12681 | 24,399 |
TOM | 4386 | 4418 | 8,804 |
NHTOM | 3794 | 3823 | 7,617 |
IAC | 1813 | 1724 | 3,537 |
HBAC | 1690 | 1615 | 3,305 |
HBA | 1295 | 1198 | 2,493 |
NHIAC | 1129 | 1180 | 2,309 |
IA | 794 | 648 | 1,442 |
HIAC | 684 | 544 | 1,228 |
HTOM | 592 | 595 | 1,187 |
HIA | 497 | 354 | 851 |
NAC | 292 | 303 | 595 |
NHIA | 297 | 294 | 591 |
HAAC | 224 | 278 | 502 |
NHNAC | 184 | 188 | 372 |
NA | 159 | 165 | 324 |
HAA | 126 | 163 | 289 |
HNAC | 108 | 115 | 223 |
HNA | 80 | 82 | 162 |
NHNA | 79 | 83 | 162 |
• Philadelphia County population
32.7 mi, 85°
• Montgomery County
25.9 mi, 50°
• Delaware County
19 mi, 102°
• New Castle County
28.1 mi, 168°
• Lancaster County
26.9 mi, 280°
• Berks County
31.8 mi, 342°
• Gloucester County
36.4 mi, 118°
• Harford County
42 mi, 224°
• Cecil County
30.2 mi, 199°
• Salem County
34.6 mi, 142°
[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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