US Metro and Micro Areas by Population

Micro areas, largest first

A micro area forms around a smaller core, an urban area of 10,000 to 49,999 people; a metro area needs at least 50,000.

1. Seaford, DE Micro Area277,140 people
2. Lebanon-Claremont, NH-VT Micro Area224,500 people
3. Hilo-Kailua, HI Micro Area210,043 people
4. East Stroudsburg, PA Micro Area167,179 people
5. Concord, NH Micro Area158,078 people
6. Cookeville, TN Micro Area152,477 people
7. Anderson Creek, NC Micro Area150,137 people
8. Corbin, KY Micro Area150,040 people
9. Ottawa, IL Micro Area145,902 people
10. Pottsville, PA Micro Area145,085 people
11. Tupelo, MS Micro Area133,167 people
12. Richmond-Berea, KY Micro Area131,806 people

What is a metro area?

A metropolitan statistical area is a set of whole counties: the central counties that hold an urban area of at least 50,000 people, and the outlying counties where at least a quarter of workers commute to the central ones, or a quarter of the jobs are held by people who live there. Neighboring areas with enough commuting between them form a combined statistical area. OMB draws these for federal statistics; they are not cities or governments, and not a split between urban and rural. The current lists are OMB Bulletin 23-01 of July 2023.

Find the metro area where you are now or browse the counties.