Name directory
John Williams in Mount Prospect, IL
An estimated 5 people named John Williams live in Mount Prospect, Illinois. Search below to find the specific John Williams you're looking for in Mount Prospect.
Search John Williams in Mount Prospect →First name
John
#2 most common first name in the U.S. · Male · peaked 1880s
Surname
Williams
#3 most common surname in the U.S. · 47.68% Black
An estimated 5 people named John Williams live in Mount Prospect, Illinois. John is a predominantly male first name that peaked in popularity in the 1880s. Williams is the #3 most common surname in the United States. About 47.68% of people with this surname identify as Black. Mount Prospect itself has about 55,648 residents, with a median age of 41.7.
About Mount Prospect, IL
Median age
41.7
Median household income
$103,911
Median home value
$377,000
Median rent
$1,454/mo
Source: U.S. Census Bureau, American Community Survey (5-year).