Bay County Population Charts

According to the most recent Bay County Michigan demographics data available from the 2022 Census Bureau released in the American Community Survey in November of 2022, Figure 1 Bay County depicts it has a Population 2021 of 104,050 which is the second most populous of all the counties in the greater Bay County region. The county with the highest population in the area is Saginaw County which depicts a population of 190,540 (about twice as large). Figure 3 uses the Bay County population data for a comparison of the population growth/population change estimates from the years 2010 to 2021 and Bay County Michigan shows a decline of 3,721 (3%).

The total Bay County Michigan greater area population percent change for all areas for the years from 2010 to 2021 is shown in Figure 4 and for Bay County depicts it has a Population Change of -3.5% which is in the mid range of other counties in the local area.

Looking at the Bay County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Bay County Michigan depicts it has 235 people per square mile which is the second most people per square mile of all the counties in the greater Bay County region. The next lower population density is Midland County approximately three-fourths the size with population density of 162. The county with the highest population density in the area is Saginaw County which shows a people per square mile of 238 ( only slightly larger). Figure 6 provides Bay County demographics for the overall median age for all people in the region and Bay County shows it has a Median Age of 43.5 which is in the middle range of other counties in the local area. The county with the highest overall median age of all people in the area is Gladwin County which shows an age of 50.5 (16.1% larger). The Bay County Michigan population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. Bay County Michigan depicts a median age of men about 7.4% smaller as the median age of women. Figure 10 shows the Bay County Michigan Hispanic (including non Hispanic whites) population household ethnicity in the region and Bay County depicts it has a Hispanic or Latino of 5.7% which is the third most Hispanic Population of all other counties in the greater Bay County region. Figure 11 compares the ratio of the amount of men to the amount of women and depicts total male population only about 2.2% smaller as the total female population.

Bay County Marital Status and Families Charts

Figure 12 shows the detailed marriage characteristics broken down by %residents who are married, never married, single, divorced, and widowed. Bay County has one of the largest proportions of never married percent at 14% of the total and is ranked #2. The only larger county being Gladwin County with 14%. Figure 14 compares the average household size using the average number of people in a family for Bay County households. Bay County depicts it has a Family Size of 3.0 which is the second smallest in order of average family size of all the other counties in the area. The county with the highest average family size in the area is Tuscola County which depicts an average family size of 3.1 (only about 2.6% larger).

Figure 15 shows the overall ratio of Bay County households for families to the total number of Bay County households and that Bay County depicts it has a Families of 61% which is the smallest in order of percent of people who are in a family of all the other counties in the metropolitan area. The county with the highest percent of people who are in a family in the area is Gratiot County which shows a families percent of 68% (10.5% larger).

Looking at Bay County households that are headed by a husband and wife as a percent of all families in Figure 16, Bay County depicts it has a Married-couple family of 72% which is the second smallest as measured by percent of people in a husband and wife family of all the other counties in the local area. The county with the highest percent of people in a husband and wife family in the area is Gladwin County which depicts a husband and wife family percent of 82% (14.1% larger). Figure 17 shows Bay County demographics for the head of household for each place using a breakdown of married-couple, male-headed alone, and female-headed alone. Bay County Michigan has the largest proportion of households at 9.1% of the total and is ranked #1. Second, it has one of the largest proportions of households at 19.1% of the total and is ranked #2. The only larger county being Saginaw County with 23.6%.

Bay County Mothers and Children Charts

The next section of charts provide a detailed look at mothers and baby births that occurred over the past 12 months. Figure 18 shows the rate of women aged 15 to 50 years old who have given birth. Bay County shows it has a Birth Rate of 4.3% which is the smallest as measured by percent of women who gave birth of all the other counties in the metro area. The county with the highest percent of women who gave birth in the area is Gladwin County which depicts a birth rate of 6.3% (47.4% larger). Figure 19 shows the breakdown of the mother's age for all baby births that occurred in the last 12 months and it has one of the largest proportions of percent of births to mothers aged 15 to 19 at 27% of the total and is ranked #2. The only larger county being Tuscola County with 30%. Second, it has the second smallest as measured by percent of births to mothers aged 15 to 19 of all the other counties in the local area when ranked by percent of births to mothers aged 20 to 24 at 31% of the total.

In Figure 20, the demographic data for Bay County Michigan teenager birth rate is shown (women between the ages of 15 and 19.) Bay County depicts it has a Teenager Birth Rate of 4% which is the second most percent of births to a teenager of all the counties in the greater Bay County region. The county with the highest teenager birth rate in the area is Saginaw County which shows a births to a teenager of 7% (70.5% larger).

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) Bay County depicts it has a Unwed Births of 53% which is the largest of all counties in the greater Bay County region.

The next chart, Figure 22, shows the percentage of unwed mothers who are also on public assistance. Bay County depicts it has a Unwed birth and on public assistance of 4.8% which is less than most other counties in the greater region. The county with the highest percent of unwed women who have given birth and are on public assistance in the area is Gratiot County which shows a percent of unwed women who gave birth and are on public assistance of 42.3% ( very much bigger).

Unwed mothers who have given birth in the last 12 months are also shown broken down by age group in Figure 24. Bay County Michigan has the percentage of unwed mothers aged 15 to 19 in the middle range of other counties in the greater region at 85.7% of the total. Second, it has less than most other counties in the surrounding region in order of unwed mothers aged 20 to 34 at 6.2% of the total. Figure 25 shows the comparative demographic rate of unwed mothers who have given birth in the last 12 months are broken down by racial group (including the Hispanic birth rate.) Bay County Michigan has the percentage of Black unwed birth rate less than most other counties in the metro area at 40.0% of the total. Second, it has the largest proportion of Native Hawaiian unwed birth rate at 100.0% of the total and is ranked #1.

Figure 26 shows unwed mothers in poverty (based on median household income definition) who have given birth in the last 12 months. Bay County Michigan has the smallest proportion of unwed births and living below poverty level at 7.4% of the total.

For all births to unwed mothers, Figure 27 breaks down the education level of the mother by less than high school through college and post graduate attainment it has one of the largest proportions of percent of unwed mothers with less than high school education at 35% of the total and is ranked #3. Only #2 Midland County (39%), and #1 Saginaw County (42%) are larger. Second, it has one of the largest proportions of percent of unwed mothers who are a high school graduate or equivalent at 44% of the total and is ranked #2. The only larger county being Gratiot County with 80%.

Bay County Marital Status Charts

The next set of demographic data looks at the marital status for Bay County households which is useful for internet research. Figure 28 compares the total number of single people in each area. Bay County depicts it has a Total Single People of 52% which is the third most percent single people of all other counties in the greater Bay County region. The county with the highest percent of people who are single for any reason in the area is Saginaw County which depicts a percent single of 54% (only about 3.9% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Bay County is only about 3.4% larger. Also, compared with the state of Michigan, percent of people who are single for any reason of 51%, Bay County is only slightly larger.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Bay County Michigan has one of the largest proportions of percent never married at 14% of the total and is ranked #2. The only larger county being Gladwin County with 14%. Second, it has in the mid range of other counties in the greater region as measured by percent divorced at 7% of the total. Figure 31 shows the demographics for the number of single men adults in each area broken out by never married, divorced and widowed. Bay County Michigan has one of the largest proportions of men who have never been married at 14% of the total and is ranked #3. Only #2 Gladwin County (14%), and #1 Arenac County (15%) are larger.

Figure 33 shows the Bay County demographics for the ratio of the number of single men between the age of 18 and 65, in each area, broken down by age group for the Bay County metro area. Bay County Michigan has one of the largest proportions of single men 18 to 24 at 16% of the total and is ranked #2. The only larger county being Midland County with 17%.

Figure 34 shows the Bay County population data for the ratio of the number of single women between the age of 18 and 65, in each area, broken down by age group for the Bay County metro area. Bay County Michigan has one of the largest proportions of single women 18 to 24 at 14% of the total and is ranked #2. The only larger county being Saginaw County with 15%. Second, it has the smallest proportion of single women 50 to 60 at 9% of the total.

Bay County Citizenship Demographics Charts

In Figure 37, the demographic percentage of Bay County residents who were not born in the United States is shown (i.e. percent foreign born.) Bay County indicates it has a Percent Foreign Born of 1.1% which is less than most other counties in the greater region. The county with the highest percent of population who was born in another country in the area is Midland County which shows a percent born outside United States of 3.6% (approximately 3.3 times bigger). Comparing percent of population who was born in another country to the United States average of 13.6%, Bay County is approximately a twelfth the size. Also, compared with the state of Michigan, percent of population who was born in another country of 6.9%, Bay County is approximately a sixth the size.

Figure 40 provides further information for non citizen age by showing a comparison of the median age for all non citizens immigrants. it has a Non Citizen Median Age of 36.7 which is in the center range of other counties in the metro area. The county with the highest median age of non citizens in the area is Arenac County which depicts a median age of 61.0 (66.2% larger). The next diagram (Figure 41) shows the year of entry that non citizens entered the United States. The year of entry can show the rate of flow at various points of time in the past for when they entered the U.S. has the percentage of non citizens who entered the US after 2010 the second smallest as measured by percent of non citizens who entered the US after 2010 of all the other counties in the metro area at 29% of the total. Second, it has the largest proportion of non citizens who entered the US between 1990 to 1999 at 21% of the total and is ranked #1. Third, it has one of the largest proportions of non citizens who entered the US before 1990 at 27% of the total and is ranked #3. Only #2 Gladwin County (42%), and #1 Arenac County (61%) are larger.

For all foreign born people who have gone through naturalization (the process of becoming a legal U.S. resident citizen), Figure 42 shows the year when they became fully naturalized U.S. citizens. has the percentage of people naturalized 2015 or later the second smallest in order of percent of people naturalized 2015 or later of all the other counties in the greater region at 10% of the total. Second, it has the largest proportion of people naturalized 2000 to 2004 at 18% of the total and is ranked #1. Third, it has the largest proportion of people naturalized 1995 to 1999 at 20% of the total and is ranked #1. Also, it has the smallest proportion of people naturalized before 1990 at 29% of the total.

Bay County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows Bay County demographic information for large regions of the world that people from this place originally came from. Bay County Michigan has the percentage of from Europe less than most other counties in the area at 21% of the total. Second, it has one of the largest proportions of from Asia at 43% of the total and is ranked #3. Only #2 Midland County (47%), and #1 Saginaw County (50%) are larger. Third, it has the largest proportion of from Africa at 4% of the total and is ranked #1.

Figure 44 categorizes the location for where foreign born people originally come from based on very large continental geographic areas. Bay County Michigan has the largest proportion of from Asia at 4% of the total and is ranked #1.

Figure 45 is a table that breaks out all the people who were foreign born by which large geographic region where they were born. Bay County Michigan has the largest proportion of people who were born in Eastern Europe at 10.6% of the total and is ranked #1. Second, it has the largest proportion of people who were born in Southern Africa at 2.2% of the total and is ranked #1.