Last official estimated population of Macomb County was 841,097 (year 2014)[1]. This was 0.264% of total US population and 8.5% of total Michigan state population. Area of Macomb County is 570.8 mi² (=1478.5 km²), in this year population density was 1,473.41 p/mi². If population growth rate would be same as in period 2010-2014 (+0%/yr), Macomb County population in 2026 would be 841,454 [0].
Historical population of Macomb County for period 1810-2014 [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

[1810-1820] +4.47 %/yr
[1820-1830] +10.39 %/yr
[1830-1840] +14.95 %/yr
[1840-1850] +4.8 %/yr
[1850-1860] +3.93 %/yr
[1860-1870] +1.92 %/yr
[1870-1880] +1.37 %/yr
[1880-1890] +0.06 %/yr
[1890-1900] +0.44 %/yr
[1900-1910] -0.19 %/yr
[1910-1920] +1.57 %/yr
[1920-1930] +7.31 %/yr
[1930-1940] +3.39 %/yr
[1940-1950] +5.56 %/yr
[1950-1960] +8.17 %/yr
[1960-1970] +4.42 %/yr
[1970-1980] +1.06 %/yr
[1980-1990] +0.32 %/yr
[1990-2000] +0.94 %/yr
[2000-2005] +1.01 %/yr
[2005-2010] +0.29 %/yr
[2010-2014] +0 %/yr
Looking for settlements in Macomb County? Visit this page: Settlements in Macomb County, MI
Population of Macomb County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 23717 | 22895 | 46,612 |
| 5 to 9 | 26071 | 24854 | 50,925 |
| 10 to 14 | 28576 | 27004 | 55,580 |
| 15 to 19 | 27989 | 26060 | 54,049 |
| 20 to 24 | 27671 | 27319 | 54,990 |
| 25 to 29 | 27032 | 27100 | 54,132 |
| 30 to 34 | 25618 | 26250 | 51,868 |
| 35 to 39 | 25454 | 26292 | 51,746 |
| 40 to 44 | 28807 | 29992 | 58,799 |
| 45 to 49 | 30560 | 32064 | 62,624 |
| 50 to 54 | 33075 | 34103 | 67,178 |
| 55 to 59 | 31491 | 33147 | 64,638 |
| 60 to 64 | 25445 | 27572 | 53,017 |
| 65 to 69 | 19780 | 22735 | 42,515 |
| 70 to 74 | 14086 | 17233 | 31,319 |
| 75 to 79 | 9581 | 13073 | 22,654 |
| 80 to 84 | 6820 | 10747 | 17,567 |
| 85+ | 6568 | 13331 | 19,899 |
Macomb 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 | 407582 | 431183 | 838,765 |
| WAC | 357972 | 372294 | 730,266 |
| WA | 349422 | 363457 | 712,879 |
| NHWAC | 348277 | 362852 | 711,129 |
| NHWA | 340264 | 354648 | 694,912 |
| BAC | 47381 | 55747 | 103,128 |
| NHBAC | 46525 | 54697 | 101,222 |
| BA | 43270 | 51293 | 94,563 |
| NHBA | 42697 | 50583 | 93,280 |
| AAC | 18062 | 18878 | 36,940 |
| NHAAC | 17759 | 18590 | 36,349 |
| AA | 15004 | 15929 | 30,933 |
| NHAA | 14824 | 15771 | 30,595 |
| H | 10759 | 10588 | 21,347 |
| HWAC | 9695 | 9442 | 19,137 |
| TOM | 9111 | 9464 | 18,575 |
| HWA | 9158 | 8809 | 17,967 |
| NHTOM | 8525 | 8776 | 17,301 |
| IAC | 4105 | 4489 | 8,594 |
| NHIAC | 3594 | 3948 | 7,542 |
| IA | 1384 | 1488 | 2,872 |
| NHIA | 1160 | 1288 | 2,448 |
| HBAC | 856 | 1050 | 1,906 |
| HBA | 573 | 710 | 1,283 |
| HTOM | 586 | 688 | 1,274 |
| NAC | 586 | 569 | 1,155 |
| HIAC | 511 | 541 | 1,052 |
| NHNAC | 518 | 503 | 1,021 |
| HAAC | 303 | 288 | 591 |
| HIA | 224 | 200 | 424 |
| HAA | 180 | 158 | 338 |
| NA | 150 | 140 | 290 |
| NHNA | 112 | 117 | 229 |
| HNAC | 68 | 66 | 134 |
| HNA | 38 | 23 | 61 |
• Wayne County population
32.2 mi,
213°
• Oakland County
24.1 mi,
268°
• Genesee County
47 mi,
300°
• Washtenaw County
55.7 mi,
238°
• Livingston County
51.1 mi,
264°
• St. Clair County
21.6 mi,
34°
• Monroe County
59.9 mi,
209°
• Lapeer County
32.9 mi,
331°
• Tuscola County
62.3 mi,
334°
• Sanilac County
55.4 mi,
14°
[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 6 Michigan Notes
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