Last official estimated population of Janesville city (Rock County**, Wisconsin state) was 64,009 (year 2014)[1]. This was 0.02% of total US population and 1.11% of total Wisconsin state population. Area of Janesville city is 34.4 mi² (=89.1 km²)[6], in this year population density was 1,861.65 p/mi². If population growth rate would be same as in period 2010-2014 (+0.17%/yr), Janesville city population in 2024 would be 65,107*.
Historical population of Janesville city for period 1860-2014:
Estimated population for 2014[1]. Click on flag to hide it.
Population • Legends • Position
[1860-1870] +1.33 %/yr
[1870-1880] +0.26 %/yr
[1880-1890] +1.85 %/yr
[1890-1900] +1.98 %/yr
[1900-1910] +0.53 %/yr
[1910-1920] +2.79 %/yr
[1920-1930] +1.69 %/yr
[1930-1940] +0.61 %/yr
[1940-1950] +0.8 %/yr
[1950-1960] +3.51 %/yr
[1960-1970] +2.82 %/yr
[1970-1980] +0.96 %/yr
[1980-1990] +0.32 %/yr
[1990-2000] +1.36 %/yr
[2000-2005] +0.58 %/yr
[2005-2010] +0.46 %/yr
[2010-2014] +0.17 %/yr
• Beloit city population
11.1 mi, 181°
• South Beloit city
13.8 mi, 183°
• Rockton village
16.3 mi, 189°
• Milton city
7.2 mi, 29°
• Edgerton city
11 mi, 344°
• Evansville city
15.7 mi, 294°
• Clinton village
11.5 mi, 139°
• Darien village
16.3 mi, 110°
• Orfordville village
13 mi, 252°
• Footville village
10 mi, 264°
*Calculated by population.us from last known population growth rate, not official data.
**Some cities are placed on more than one county. Only 1 county is shown.
[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016
[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016
[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016
[4] Population of the 100 Largest Urban Places: 1980,
[5] Population of the 100 Largest Urban Places in history,
[6] Area, latitude longitude data, retrieved 02/23/2016
[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb
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