LAST NAME · 2020 CENSUS
Kolby
Kolby is the 90,519th most common last name in the United States. In the 2020 Census, 219 people carried it, about 0.1 of every 100,000 people. Most people named Kolby are White.
WHO CARRIES THIS NAME · 2020
White95.0%
Multiracial3.2%
Asian American1.4%
Black0.5%
Hispanic0.0%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#71,264
0
2000
#70,473
259
2010
#76,275
252
2020
#90,519
219