Population.us > Counties > Kentucky > Jefferson County

Population of Jefferson County

Last official estimated population of Jefferson County was 742,227 (year 2014)[1]. This was 0.233% of total US population and 16.8% of total Kentucky state population. Area of Jefferson County is 397.7 mi² (=1030 km²), in this year population density was 1,866.38 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Jefferson County population in 2024 would be 745,062 [0].


Historical population

Historical population of Jefferson 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] +6.27 %/yr
[1800-1810] +4.35 %/yr
[1810-1820] +4.48 %/yr
[1820-1830] +1.45 %/yr
[1830-1840] +4.25 %/yr
[1840-1850] +5.11 %/yr
[1850-1860] +4.1 %/yr
[1860-1870] +2.9 %/yr
[1870-1880] +2.07 %/yr
[1880-1890] +2.59 %/yr
[1890-1900] +2.12 %/yr
[1900-1910] +1.24 %/yr
[1910-1920] +0.86 %/yr
[1920-1930] +2.18 %/yr
[1930-1940] +0.81 %/yr
[1940-1950] +2.32 %/yr
[1950-1960] +2.34 %/yr
[1960-1970] +1.3 %/yr
[1970-1980] -0.15 %/yr
[1980-1990] -0.29 %/yr
[1990-2000] +0.42 %/yr
[2000-2005] +0.46 %/yr
[2005-2010] +0.86 %/yr
[2010-2014] +0.04 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 25254 24035 49,289
5 to 9 24366 23177 47,543
10 to 14 23912 22960 46,872
15 to 19 23451 22258 45,709
20 to 24 24981 25311 50,292
25 to 29 27443 28421 55,864
30 to 34 26206 27371 53,577
35 to 39 23921 24282 48,203
40 to 44 23614 24705 48,319
45 to 49 23252 24445 47,697
50 to 54 26579 28608 55,187
55 to 59 25749 28430 54,179
60 to 64 21945 25059 47,004
65 to 69 16885 19614 36,499
70 to 74 10982 14110 25,092
75 to 79 7625 11005 18,630
80 to 84 5526 8851 14,377
85+ 4970 10723 15,693

Jefferson 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 347303 376329 723,632
WAC 279378 294051 573,429
WA 271776 286152 557,928
NHWAC 262153 278947 541,100
NHWA 255139 271534 526,673
BAC 81592 93089 174,681
NHBAC 79590 91302 170,892
BA 76158 87387 163,545
NHBA 74529 85916 160,445
H 19358 17036 36,394
HWAC 17225 15104 32,329
HWA 16637 14618 31,255
AAC 11287 12020 23,307
NHAAC 11021 11768 22,789
AA 9288 9983 19,271
NHAA 9181 9865 19,046
TOM 8319 8691 17,010
NHTOM 7661 8143 15,804
IAC 2925 3236 6,161
NHIAC 2373 2743 5,116
HBAC 2002 1787 3,789
HBA 1629 1471 3,100
IA 892 923 1,815
NHIA 628 690 1,318
HTOM 658 548 1,206
NAC 557 574 1,131
HIAC 552 493 1,045
NHNAC 447 481 928
HAAC 266 252 518
HIA 264 233 497
NA 228 229 457
NHNA 165 181 346
HAA 107 118 225
HNAC 110 93 203
HNA 63 48 111

Counties near Jefferson County

Clark County population 20 mi, 351°
Floyd County 16.4 mi, 302°
Bullitt County 15.4 mi, 189°
Oldham County 18.2 mi, 36°
Nelson County 28.7 mi, 158°
Shelby County 23.6 mi, 81°
Harrison County 24.2 mi, 269°
Meade County 33.3 mi, 242°
Spencer County 21.7 mi, 121°
Trimble County 34.1 mi, 29°


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

Kentucky Notes

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