Last official estimated population of Marshall County was 37,073 (year 2014)[1]. This was 0.012% of total US population and 1.2% of total Mississippi state population. Area of Marshall County is 709.7 mi² (=1838.2 km²), in this year population density was 52.24 p/mi². If population growth rate would be same as in period 2010-2014 (-0.05%/yr), Marshall County population in 2025 would be 36,878 [0].
Historical population of Marshall 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] +5.41 %/yr
[1850-1860] -0.3 %/yr
[1860-1870] +0.2 %/yr
[1870-1880] -0.03 %/yr
[1880-1890] -1.18 %/yr
[1890-1900] +0.61 %/yr
[1900-1910] -0.32 %/yr
[1910-1920] -0.26 %/yr
[1920-1930] -0.48 %/yr
[1930-1940] +0.26 %/yr
[1940-1950] -0.16 %/yr
[1950-1960] -0.24 %/yr
[1960-1970] -0.2 %/yr
[1970-1980] +2 %/yr
[1980-1990] +0.36 %/yr
[1990-2000] +1.42 %/yr
[2000-2005] +0.62 %/yr
[2005-2010] +0.6 %/yr
[2010-2014] -0.05 %/yr
Looking for settlements in Marshall County? Visit this page: Settlements in Marshall County, MS
Population of Marshall County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1044 | 1084 | 2,128 |
| 5 to 9 | 1155 | 1152 | 2,307 |
| 10 to 14 | 1097 | 1118 | 2,215 |
| 15 to 19 | 1102 | 1279 | 2,381 |
| 20 to 24 | 1258 | 1286 | 2,544 |
| 25 to 29 | 1186 | 1036 | 2,222 |
| 30 to 34 | 1135 | 1055 | 2,190 |
| 35 to 39 | 1167 | 1013 | 2,180 |
| 40 to 44 | 1187 | 1090 | 2,277 |
| 45 to 49 | 1242 | 1133 | 2,375 |
| 50 to 54 | 1400 | 1377 | 2,777 |
| 55 to 59 | 1395 | 1421 | 2,816 |
| 60 to 64 | 1140 | 1248 | 2,388 |
| 65 to 69 | 892 | 986 | 1,878 |
| 70 to 74 | 649 | 759 | 1,408 |
| 75 to 79 | 415 | 543 | 958 |
| 80 to 84 | 247 | 357 | 604 |
| 85+ | 182 | 404 | 586 |
Marshall 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 | 17199 | 17825 | 35,024 |
| WAC | 9431 | 9265 | 18,696 |
| WA | 9297 | 9129 | 18,426 |
| NHWAC | 8850 | 8844 | 17,694 |
| BAC | 8444 | 9015 | 17,459 |
| NHWA | 8727 | 8712 | 17,439 |
| NHBAC | 8356 | 8937 | 17,293 |
| BA | 8341 | 8905 | 17,246 |
| NHBA | 8265 | 8833 | 17,098 |
| H | 694 | 516 | 1,210 |
| HWAC | 581 | 421 | 1,002 |
| HWA | 570 | 417 | 987 |
| TOM | 160 | 170 | 330 |
| NHTOM | 141 | 162 | 303 |
| IAC | 126 | 128 | 254 |
| NHIAC | 94 | 112 | 206 |
| HBAC | 88 | 78 | 166 |
| AAC | 51 | 98 | 149 |
| HBA | 76 | 72 | 148 |
| NHAAC | 45 | 93 | 138 |
| IA | 61 | 60 | 121 |
| AA | 30 | 66 | 96 |
| NHAA | 30 | 66 | 96 |
| NHIA | 35 | 46 | 81 |
| HIAC | 32 | 16 | 48 |
| HIA | 26 | 14 | 40 |
| NAC | 11 | 22 | 33 |
| HTOM | 19 | 8 | 27 |
| NHNAC | 3 | 14 | 17 |
| HNAC | 8 | 8 | 16 |
| NA | 4 | 11 | 15 |
| HAAC | 6 | 5 | 11 |
| HNA | 3 | 5 | 8 |
| NHNA | 1 | 6 | 7 |
| HAA | 0 | 0 | 0 |
• Shelby County population
36.4 mi,
322°
• DeSoto County
28.7 mi,
285°
• Lafayette County
28.8 mi,
177°
• Fayette County
30.2 mi,
9°
• Panola County
38.1 mi,
223°
• Tate County
26.2 mi,
252°
• Hardeman County
42.8 mi,
43°
• Union County
34.3 mi,
123°
• Tippah County
33.2 mi,
90°
• Benton County
17.5 mi,
79°
[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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