本人刚拿到一engineer job offer

本人刚拿到一job offer，一查新公司所在城市信息(from www.city-data.com) ，发现性别人口极不平衡，我copy这些如下，肯请大家帮分析一下为何比例如此失调。我得考虑是否接offer

Population in July 2008: 57,708. Population change since 2000: +4.6%

Males: 21,987 (38.1%)
Females: 35,721 (61.9%)

Median resident age: 37.9 years
Ohio median age: 36.2 years

Races in XXXX (this city):

White Non-Hispanic (60.7%)
Black (28.8%)
Hispanic (5.2%)
Two or more races (2.5%)
Other race (2.2%)
American Indian (0.6%)

Read more: http://www.city-data.com/city/XXXX