Last official estimated population of Kent County was 602,812 (year 2014)[1]. This was 0.189% of total US population and 6.1% of total Michigan state population. Area of Kent County is 871.9 mi² (=2258.3 km²), in this year population density was 691.34 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Kent County population in 2026 would be 603,382 [0].
Historical population of Kent County for period 1840-2014 [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

[1840-1850] +16.6 %/yr
[1850-1860] +9.84 %/yr
[1860-1870] +5.08 %/yr
[1870-1880] +3.81 %/yr
[1880-1890] +4.14 %/yr
[1890-1900] +1.67 %/yr
[1900-1910] +2.07 %/yr
[1910-1920] +1.41 %/yr
[1920-1930] +2.77 %/yr
[1930-1940] +0.24 %/yr
[1940-1950] +1.59 %/yr
[1950-1960] +2.34 %/yr
[1960-1970] +1.25 %/yr
[1970-1980] +0.79 %/yr
[1980-1990] +1.2 %/yr
[1990-2000] +1.38 %/yr
[2000-2005] +0.61 %/yr
[2005-2010] +0.35 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Kent County? Visit this page: Settlements in Kent County, MI
Population of Kent County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 22609 | 21540 | 44,149 |
| 5 to 9 | 22733 | 21504 | 44,237 |
| 10 to 14 | 22264 | 21365 | 43,629 |
| 15 to 19 | 21863 | 20820 | 42,683 |
| 20 to 24 | 22423 | 22721 | 45,144 |
| 25 to 29 | 24773 | 25443 | 50,216 |
| 30 to 34 | 22574 | 22421 | 44,995 |
| 35 to 39 | 19264 | 19627 | 38,891 |
| 40 to 44 | 19068 | 19365 | 38,433 |
| 45 to 49 | 19566 | 20155 | 39,721 |
| 50 to 54 | 21634 | 22207 | 43,841 |
| 55 to 59 | 20413 | 21295 | 41,708 |
| 60 to 64 | 16804 | 17801 | 34,605 |
| 65 to 69 | 11847 | 13317 | 25,164 |
| 70 to 74 | 7869 | 9503 | 17,372 |
| 75 to 79 | 5612 | 7201 | 12,813 |
| 80 to 84 | 3934 | 5964 | 9,898 |
| 85+ | 4029 | 7709 | 11,738 |
Kent 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 | 276747 | 288812 | 565,559 |
| WAC | 265947 | 274459 | 540,406 |
| WA | 257857 | 266254 | 524,111 |
| NHWAC | 237675 | 247478 | 485,153 |
| NHWA | 231003 | 240705 | 471,708 |
| BAC | 37450 | 39128 | 76,578 |
| NHBAC | 33946 | 35491 | 69,437 |
| BA | 31956 | 33442 | 65,398 |
| H | 32532 | 31146 | 63,678 |
| NHBA | 29417 | 30782 | 60,199 |
| HWAC | 28272 | 26981 | 55,253 |
| HWA | 26854 | 25549 | 52,403 |
| AAC | 10072 | 10760 | 20,832 |
| NHAAC | 9651 | 10381 | 20,032 |
| TOM | 8631 | 8787 | 17,418 |
| AA | 8267 | 9061 | 17,328 |
| NHAA | 8056 | 8886 | 16,942 |
| NHTOM | 7099 | 7251 | 14,350 |
| IAC | 4841 | 4879 | 9,720 |
| HBAC | 3504 | 3637 | 7,141 |
| NHIAC | 2955 | 3132 | 6,087 |
| HBA | 2539 | 2660 | 5,199 |
| IA | 2302 | 2151 | 4,453 |
| HIAC | 1886 | 1747 | 3,633 |
| HTOM | 1532 | 1536 | 3,068 |
| HIA | 1219 | 1059 | 2,278 |
| NHIA | 1083 | 1092 | 2,175 |
| NAC | 520 | 510 | 1,030 |
| HAAC | 421 | 379 | 800 |
| NHNAC | 277 | 284 | 561 |
| NA | 266 | 263 | 529 |
| HNAC | 243 | 226 | 469 |
| HAA | 211 | 175 | 386 |
| HNA | 177 | 167 | 344 |
| NHNA | 89 | 96 | 185 |
• Kalamazoo County population
54.3 mi,
179°
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46.9 mi,
130°
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48.6 mi,
96°
• Isabella County
55.3 mi,
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• Ionia County
24.7 mi,
104°
• Montcalm County
27.9 mi,
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• Barry County
33.2 mi,
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• Newaygo County
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• Mecosta County
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• Gratiot County
50.8 mi,
69°
[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
*St. Joseph Michigan Notes
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