Bay City, Michigan

Bay City population, 2020 to 2024

Bay City lost 534 residents from July 2020 to July 2024, a change of -1.6%. In the latest year it moved by -93. Among 153 Michigan places of 5,000 or more, that growth ranks 111th; the median place changed by -0.5%. The median place of 5,000+ in Michigan has 12,132 people, so Bay City is 2.6 times that size.

Bay City covers 10.17 square miles of land and 1.03 of water, for 3,155 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Bay City is denser than the typical town.

What county Bay City is in

All of Bay City's residents live in Bay County, which had 102,651 residents in 2024. Bay City holds 31.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Bay City

2 ZIP Code Tabulation Areas (ZCTAs) overlap Bay City by at least 10% of the ZCTA's or the city's land: 48706, 48708. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Bay City is

The Census internal point of Bay City is at 43.590100, -83.888400. Lansing, the capital, is 68.0 miles SSW in a straight line. The nearest larger place is Saginaw, MI (43,001 people), 12.2 miles away. The nearest city of 100,000 or more is Lansing, MI, 69.3 miles away.

Daylight in Bay City

At 43.59° N, Bay City gets about 15 h 26 min of daylight around the June solstice and 8 h 56 min around the December solstice, a swing of 6 h 30 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Bay City

The eight nearest incorporated places of 1,000+ in Michigan, measured between internal points. The closest is Essexville, 2.8 miles away, with 3,302 people.