The following information has been provided by the City of Roswell.
Date of Incorporation February 16,1854
Area 42.02 square miles
Highest Point Roswell High School at 1,180 feet above sea level
Average Temperature High 69ºF / Low 45.7ºF
Annual Rainfall 53.7 inches
Distance from Downtown Atlanta 20 miles
2009 Assessed Valuation of Permitted Construction $18,464,983

The following demographic data is provided to us by the US Bureau of Census.

Population  2010  2000 
Total Population 88,346 79,334
White 66,010 64,666
Black or African American 10,373 6,773
Asian 3,565 2,964
Some Other Race 5,846 3,237
Two or More Races 2,241 1,511
American Indian or Alaska Native 261 160
Hawaiian Native/other Pacific Islander 50 23
Hispanic or Latino (of any race) 14,699 8,421

Source: U.S. Bureau of the Census, 2010 Census of Population

Household Income 2000 2010  2015
< $15,000 5.4% 3.8% 2.2%
$15,000 – $24,999 5.0% 3.0% 1.9%
$25,000 – $34,999 8.8% 4.3% 2.4%
$35,000 – $49,999 13.2% 10.6% 6.1%
$50,000 – $74,999 19.8% 18.2% 18.9%
$75,000 – $99,999 13.8% 17.9% 16.7%
$100,000 – $149,999 18.6% 24.3% 28.6%
$150,000 – $199,999 7.2% 6.9% 9.7%
$200,000 + 8.2% 11.0% 13.7%
Average Household Income $94,229 $117,088 $135,186
Median Household Income $71,499 $87,080 $102,500
Per Capita Income $36,012 $43,286 $49,764
Average Household Size 2.61 2.70 2.72
Average Family Size 3.07 3.23 3.26
Median Home Value $204,718 $199,430 $212,363

Data Note: Income represents the preceding year, expressed in current dollars. Household income includes wage and salary earnings, interest, dividends, net rents, pensions, SSI and welfare payments, child support and alimony. Specified Renter Occupied Housing Units exclude houses on 10+ acres. Average Rent excludes units paying no cash rent. Per Capita Income represents the income received by all persons aged 15 years and over divided by total population.  Detail may not sum to totals due to rounding.  Average Household Size is the household population divided by total households.  Persons in families include the householder and persons related to the householder by birth, marriage, or adoption.
Source: ESRI forecasts for 2010 and 2015; U.S. Bureau of the Census, 2000 Census of Population and Housing and Georgia Power Community & Economic Development

Population Age 25+ by Educational Attainment  2010
Total 65,084
< 9th Grade 2.5%
9th – 12th Grade, No Diploma 2.6%
High School Graduate 12.8%
Some College, No Degree 16.9%
Associate Degree 6.1%
Bachelor’s Degree 40.3%
Graduate / Professional Degree 18.8%

Source: ESRI forecasts for 2010 and 2015; U.S. Bureau of the Census, 2000 Census of Population and Housing and Georgia Power Community & Economic Development