Bay City Population

1860–2026

31,719

2026 projection

2.8% since 2020 (decrease)

010K20K30K40K50K60K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Bay City. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202631,719-1490.47%
202531,868-1550.48%
202432,023-1380.43%
202332,161-970.30%
202232,258-2050.63%
202132,463-1550.48%
202032,618-430.13%
201932,661-2740.83%
201832,935-2000.60%
201733,135-1970.59%

Showing 10 of 32 years.

Bay City Demographics

40.7median age

Median age

Female41.9 yrs
Male38.6 yrs

Adults

25,794
5,720 seniors · 22%20,074 other adults

Sex

Female 52.6% · 17,003Male 47.4% · 15,317

Population by age

MaleFemale85+ years, male: 11785+ years, female: 55980–84 years, male: 24480–84 years, female: 31875–79 years, male: 40875–79 years, female: 61270–74 years, male: 71770–74 years, female: 83365–69 years, male: 99565–69 years, female: 91760–64 years, male: 1,17760–64 years, female: 1,51755–59 years, male: 92355–59 years, female: 1,07350–54 years, male: 94750–54 years, female: 1,26645–49 years, male: 92745–49 years, female: 73540–44 years, male: 96840–44 years, female: 1,11135–39 years, male: 1,02735–39 years, female: 78630–34 years, male: 1,22830–34 years, female: 1,42825–29 years, male: 1,06025–29 years, female: 1,15020–24 years, male: 95120–24 years, female: 1,05515–19 years, male: 1,00515–19 years, female: 80410–14 years, male: 90210–14 years, female: 1,0595–9 years, male: 8685–9 years, female: 8010–4 years, male: 8530–4 years, female: 97985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 323 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Bay City Income

$49,420median household income

Median household income

$49,420

Half of households earn more, half earn less

Median earnings

$37,051

Typical yearly pay for a worker 25 or older.

Poverty rate

19.1%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Bay City Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%43%35%
Never married36%40%32%
Divorced15%12%18%
Widowed8%4%13%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201