Last official estimated population of Ste. Genevieve County was 18,122 (year 2014)[1]. This was 0.006% of total US population and 0.3% of total Missouri state population. Area of Ste. Genevieve County is 506.8 mi² (=1312.5 km²), in this year population density was 35.76 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Ste. Genevieve County population in 2026 would be 18,053 [0].
Historical population of Ste. Genevieve 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] +0.72 %/yr
[1820-1830] -7.87 %/yr
[1830-1840] +3.71 %/yr
[1840-1850] +5.37 %/yr
[1850-1860] +4.22 %/yr
[1860-1870] +0.43 %/yr
[1870-1880] +2.17 %/yr
[1880-1890] -0.5 %/yr
[1890-1900] +0.47 %/yr
[1900-1910] +0.24 %/yr
[1910-1920] -0.78 %/yr
[1920-1930] +0.29 %/yr
[1930-1940] +0.77 %/yr
[1940-1950] +0.3 %/yr
[1950-1960] +0.76 %/yr
[1960-1970] +0.6 %/yr
[1970-1980] +1.67 %/yr
[1980-1990] +0.55 %/yr
[1990-2000] +1.06 %/yr
[2000-2005] +0.46 %/yr
[2005-2010] -0.1 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Ste. Genevieve County? Visit this page: Settlements in Ste. Genevieve County, MO
Population of Ste. Genevieve County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 512 | 501 | 1,013 |
| 5 to 9 | 571 | 504 | 1,075 |
| 10 to 14 | 595 | 564 | 1,159 |
| 15 to 19 | 557 | 552 | 1,109 |
| 20 to 24 | 540 | 491 | 1,031 |
| 25 to 29 | 465 | 474 | 939 |
| 30 to 34 | 497 | 516 | 1,013 |
| 35 to 39 | 552 | 459 | 1,011 |
| 40 to 44 | 524 | 506 | 1,030 |
| 45 to 49 | 600 | 583 | 1,183 |
| 50 to 54 | 771 | 712 | 1,483 |
| 55 to 59 | 748 | 749 | 1,497 |
| 60 to 64 | 673 | 599 | 1,272 |
| 65 to 69 | 484 | 481 | 965 |
| 70 to 74 | 335 | 398 | 733 |
| 75 to 79 | 274 | 301 | 575 |
| 80 to 84 | 196 | 244 | 440 |
| 85+ | 154 | 232 | 386 |
Ste. Genevieve 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 | 8962 | 8770 | 17,732 |
| WAC | 8773 | 8649 | 17,422 |
| NHWAC | 8693 | 8558 | 17,251 |
| WA | 8674 | 8557 | 17,231 |
| NHWA | 8597 | 8472 | 17,069 |
| BAC | 144 | 91 | 235 |
| NHBAC | 143 | 90 | 233 |
| NAC | 112 | 105 | 217 |
| NHNAC | 112 | 104 | 216 |
| NA | 111 | 104 | 215 |
| NHNA | 111 | 103 | 214 |
| TOM | 103 | 98 | 201 |
| NHTOM | 100 | 91 | 191 |
| H | 86 | 96 | 182 |
| HWAC | 80 | 91 | 171 |
| IAC | 89 | 75 | 164 |
| HWA | 77 | 85 | 162 |
| BA | 104 | 49 | 153 |
| NHBA | 103 | 49 | 152 |
| NHIAC | 84 | 66 | 150 |
| AAC | 37 | 48 | 85 |
| NHAAC | 34 | 46 | 80 |
| AA | 26 | 32 | 58 |
| IA | 30 | 26 | 56 |
| NHAA | 24 | 31 | 55 |
| NHIA | 27 | 24 | 51 |
| HIAC | 5 | 9 | 14 |
| HTOM | 3 | 7 | 10 |
| HIA | 3 | 2 | 5 |
| HAAC | 3 | 2 | 5 |
| HAA | 2 | 1 | 3 |
| HBAC | 1 | 1 | 2 |
| HBA | 1 | 0 | 1 |
| HNAC | 0 | 1 | 1 |
| HNA | 0 | 1 | 1 |
• St. Clair County population
42.3 mi,
17°
• Jefferson County
33 mi,
321°
• St. Francois County
17.8 mi,
253°
• Randolph County
22 mi,
57°
• Monroe County
27.1 mi,
357°
• Washington County
40.3 mi,
275°
• Perry County
23 mi,
121°
• Bollinger County
39.9 mi,
169°
• Madison County
30.2 mi,
199°
• Iron County
34.4 mi,
238°
[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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