Last official estimated population of St. Croix County was 84,398 (year 2014)[1]. This was 0.026% of total US population and 1.5% of total Wisconsin state population. Area of St. Croix County is 735.7 mi² (=1905.4 km²), in this year population density was 114.72 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), St. Croix County population in 2026 would be 84,557 [0].
Historical population of St. Croix 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] -2.56 %/yr
[1850-1860] +24.07 %/yr
[1860-1870] +7.42 %/yr
[1870-1880] +5.56 %/yr
[1880-1890] +2.01 %/yr
[1890-1900] +1.49 %/yr
[1900-1910] -0.35 %/yr
[1910-1920] +0.08 %/yr
[1920-1930] -0.25 %/yr
[1930-1940] -0.24 %/yr
[1940-1950] +0.42 %/yr
[1950-1960] +1.19 %/yr
[1960-1970] +1.65 %/yr
[1970-1980] +2.33 %/yr
[1980-1990] +1.51 %/yr
[1990-2000] +2.31 %/yr
[2000-2005] +4.06 %/yr
[2005-2010] +1.82 %/yr
[2010-2014] +0.02 %/yr
Looking for settlements in St. Croix County? Visit this page: Settlements in St. Croix County, WI
Population of St. Croix County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2736 | 2636 | 5,372 |
| 5 to 9 | 3362 | 3172 | 6,534 |
| 10 to 14 | 3413 | 3304 | 6,717 |
| 15 to 19 | 2917 | 2801 | 5,718 |
| 20 to 24 | 2203 | 2180 | 4,383 |
| 25 to 29 | 2353 | 2330 | 4,683 |
| 30 to 34 | 2961 | 2981 | 5,942 |
| 35 to 39 | 3024 | 3026 | 6,050 |
| 40 to 44 | 3135 | 3128 | 6,263 |
| 45 to 49 | 3265 | 3103 | 6,368 |
| 50 to 54 | 3432 | 3513 | 6,945 |
| 55 to 59 | 3140 | 3165 | 6,305 |
| 60 to 64 | 2481 | 2418 | 4,899 |
| 65 to 69 | 1912 | 1876 | 3,788 |
| 70 to 74 | 1217 | 1307 | 2,524 |
| 75 to 79 | 804 | 924 | 1,728 |
| 80 to 84 | 529 | 701 | 1,230 |
| 85+ | 445 | 865 | 1,310 |
St. Croix 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 | 42346 | 42460 | 84,806 |
| WAC | 42287 | 42491 | 84,778 |
| WA | 41711 | 41912 | 83,623 |
| NHWAC | 41379 | 41585 | 82,964 |
| NHWA | 40852 | 41057 | 81,909 |
| H | 983 | 970 | 1,953 |
| HWAC | 908 | 906 | 1,814 |
| HWA | 859 | 855 | 1,714 |
| AAC | 603 | 717 | 1,320 |
| NHAAC | 581 | 700 | 1,281 |
| TOM | 600 | 599 | 1,199 |
| NHTOM | 547 | 546 | 1,093 |
| BAC | 631 | 433 | 1,064 |
| NHBAC | 603 | 408 | 1,011 |
| AA | 388 | 496 | 884 |
| NHAA | 379 | 490 | 869 |
| IAC | 398 | 384 | 782 |
| NHIAC | 325 | 310 | 635 |
| BA | 400 | 214 | 614 |
| NHBA | 388 | 209 | 597 |
| IA | 209 | 192 | 401 |
| NHIA | 166 | 146 | 312 |
| HIAC | 73 | 74 | 147 |
| HTOM | 53 | 53 | 106 |
| HIA | 43 | 46 | 89 |
| NAC | 45 | 38 | 83 |
| NHNAC | 32 | 32 | 64 |
| HBAC | 28 | 25 | 53 |
| HAAC | 22 | 17 | 39 |
| NA | 21 | 17 | 38 |
| NHNA | 14 | 12 | 26 |
| HNAC | 13 | 6 | 19 |
| HBA | 12 | 5 | 17 |
| HAA | 9 | 6 | 15 |
| HNA | 7 | 5 | 12 |
• Ramsey County population
31.9 mi,
268°
• Dakota County
39 mi,
230°
• Anoka County
42.3 mi,
293°
• Washington County
21.6 mi,
271°
• Chisago County
39.7 mi,
326°
• Barron County
40.4 mi,
45°
• Polk County
30.4 mi,
359°
• Dunn County
27.4 mi,
101°
• Pierce County
21 mi,
177°
• Pepin County
40.9 mi,
132°
[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
*Crawford, Chippewa (MI), Mackinac (MI) Wisconsin Notes
Page generated in 0.011 seconds© 2016 population.us | Terms of use | Contact