Last official estimated population of St. Louis city was 319,258 (year 2014)[1]. This was 0.1% of total US population and 5.2% of total Missouri state population. Area of St. Louis city is 66.1 mi² (=171.1 km²), in this year population density was 4,831.90 p/mi². If population growth rate would be same as in period 2010-2014 (-0%/yr), St. Louis city population in 2025 would be 319,159 [0].
Historical population of St. Louis city for period 1880-2014 [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

[1880-1890] +2.57 %/yr
[1890-1900] +2.45 %/yr
[1900-1910] +1.79 %/yr
[1910-1920] +1.18 %/yr
[1920-1930] +0.62 %/yr
[1930-1940] -0.07 %/yr
[1940-1950] +0.49 %/yr
[1950-1960] -1.32 %/yr
[1960-1970] -1.85 %/yr
[1970-1980] -3.12 %/yr
[1980-1990] -1.32 %/yr
[1990-2000] -1.3 %/yr
[2000-2005] -1.37 %/yr
[2005-2010] -0.35 %/yr
[2010-2014] -0 %/yr
Looking for settlements in St. Louis city? Visit this page: Settlements in St. Louis city, MO
Population of St. Louis city by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 11167 | 10038 | 21,205 |
| 5 to 9 | 9261 | 8926 | 18,187 |
| 10 to 14 | 7941 | 7776 | 15,717 |
| 15 to 19 | 8760 | 8575 | 17,335 |
| 20 to 24 | 12323 | 13191 | 25,514 |
| 25 to 29 | 15307 | 17183 | 32,490 |
| 30 to 34 | 14301 | 14916 | 29,217 |
| 35 to 39 | 10712 | 10942 | 21,654 |
| 40 to 44 | 9433 | 9737 | 19,170 |
| 45 to 49 | 9536 | 9398 | 18,934 |
| 50 to 54 | 10698 | 10638 | 21,336 |
| 55 to 59 | 10709 | 11528 | 22,237 |
| 60 to 64 | 8772 | 9582 | 18,354 |
| 65 to 69 | 5555 | 6536 | 12,091 |
| 70 to 74 | 3481 | 4489 | 7,970 |
| 75 to 79 | 2311 | 3647 | 5,958 |
| 80 to 84 | 1633 | 3002 | 4,635 |
| 85+ | 1522 | 3893 | 5,415 |
St. Louis city 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 | 147043 | 158328 | 305,371 |
| BAC | 71638 | 83822 | 155,460 |
| WAC | 77914 | 76170 | 154,084 |
| NHBAC | 70860 | 83030 | 153,890 |
| BA | 69409 | 81516 | 150,925 |
| NHBA | 68809 | 80880 | 149,689 |
| WA | 74865 | 73115 | 147,980 |
| NHWAC | 72509 | 71437 | 143,946 |
| NHWA | 69717 | 68618 | 138,335 |
| AAC | 5971 | 6128 | 12,099 |
| H | 6379 | 5669 | 12,048 |
| NHAAC | 5775 | 5953 | 11,728 |
| HWAC | 5405 | 4733 | 10,138 |
| AA | 4925 | 5085 | 10,010 |
| NHAA | 4802 | 4973 | 9,775 |
| HWA | 5148 | 4497 | 9,645 |
| TOM | 3651 | 3724 | 7,375 |
| NHTOM | 3341 | 3448 | 6,789 |
| IAC | 1702 | 1820 | 3,522 |
| NHIAC | 1388 | 1569 | 2,957 |
| HBAC | 778 | 792 | 1,570 |
| HBA | 600 | 636 | 1,236 |
| IA | 499 | 497 | 996 |
| NHIA | 329 | 373 | 702 |
| HTOM | 310 | 276 | 586 |
| HIAC | 314 | 251 | 565 |
| NAC | 243 | 223 | 466 |
| HAAC | 196 | 175 | 371 |
| NHNAC | 181 | 175 | 356 |
| HIA | 170 | 124 | 294 |
| HAA | 123 | 112 | 235 |
| NA | 73 | 60 | 133 |
| HNAC | 62 | 48 | 110 |
| NHNA | 45 | 36 | 81 |
| HNA | 28 | 24 | 52 |
• St. Louis County population
10.9 mi,
271°
• St. Charles County
25.3 mi,
293°
• St. Clair County
20.6 mi,
123°
• Madison County
22.8 mi,
54°
• Jefferson County
30.7 mi,
211°
• Clinton County
44.2 mi,
92°
• Randolph County
46.1 mi,
150°
• Monroe County
25 mi,
171°
• Jersey County
31.3 mi,
348°
• Calhoun County
43 mi,
328°
[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 Missouri Notes
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