Ontario County Population Charts

According to the most recent Ontario County New York demographics data available from the United States Census Bureau released in the American Community Survey in December of 2020, Figure 1 Ontario County shows it has a Population 2019 of 109,511 which is ranked #1 of all counties in the greater Ontario County region. Figure 3 uses the Ontario County population data for a comparison of the population growth/population change estimates from the years 2010 to 2019 and Ontario County New York depicts an increase of 1,580 (1%).

The total Ontario County New York greater area population percent change for all areas for the years from 2010 to 2019 is shown in Figure 4 and for Ontario County shows it has a Population Change of 1.5% which is the highest of all counties in the greater Ontario County region.

Looking at the Ontario County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Ontario County New York shows it has 170 people per square mile which is at the top of all other counties in the local area. The next lower population density is Cayuga County approximately three-fourths the size with population density of 112. Figure 6 provides Ontario County demographics for the overall median age for all people in the region and Ontario County depicts it has a Median Age of 43.7 which is the second most median age of all the counties in the greater Ontario County region. The county with the highest overall median age of all people in the area is Schuyler County which depicts an age of 46.4 (6.2% larger). The Ontario County New York population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. Ontario County New York shows a median age of men about 6.9% smaller as the median age of women. Figure 10 shows the Ontario County New York Hispanic (including non Hispanic whites) population household ethnicity in the region and Ontario County shows it has a Hispanic or Latino of 4.7% which is more than all other counties in the greater Ontario County region. Figure 11 compares the ratio of the amount of men to the amount of women and depicts total male population only about 4.2% smaller as the total female population.

Ontario County Marital Status and Families Charts

Figure 14 compares the average household size using the average number of people in a family for Ontario County households. Ontario County depicts it has a Family Size of 3.0 which is in the center range of other counties in the local area. The county with the highest average family size in the area is Yates County which depicts an average family size of 3.4 (12.2% larger).

Figure 15 shows the overall ratio of Ontario County households for families to the total number of Ontario County households and that Ontario County depicts it has a Families of 63% which is in the mid point range of other counties in the metro area. The county with the highest percent of people who are in a family in the area is Yates County which shows a families percent of 65% (only about 3.2% larger).

Looking at Ontario County households that are headed by a husband and wife as a percent of all families in Figure 16, Ontario County shows it has a Married-couple family of 77% which is the third most husband and wife family percent of all other counties in the greater Ontario County region. The county with the highest percent of people in a husband and wife family in the area is Yates County which depicts a husband and wife family percent of 85% (10.6% larger).

Ontario 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. Ontario County shows it has a Birth Rate of 3.5% which is the smallest when sorted by percent of women who gave birth of all the other counties in the surrounding region. The county with the highest percent of women who gave birth in the area is Seneca County which shows a birth rate of 8.2% (approximately 2.3 times bigger). Figure 19 shows the breakdown of the mother's age for all baby births that occurred in the last 12 months and has the percentage of percent of births to mothers aged 15 to 19 the second smallest as measured by percent of births to mothers aged 15 to 19 of all the other counties in the metropolitan area at 14% of the total. Second, it has the second smallest in terms of percent of births to mothers aged 15 to 19 of all the other counties in the local area in order of percent of births to mothers aged 20 to 24 at 27% of the total.

In Figure 20, the demographic data for Ontario County New York teenager birth rate is shown (women between the ages of 15 and 19.) Ontario County depicts it has a Teenager Birth Rate of 7% which is the most of all counties in the greater Ontario County region.

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) Ontario County shows it has a Unwed Births of 37% which is in the center range of other counties in the surrounding region. The county with the highest percent of unwed women who have given birth in the area is Schuyler County which shows an unwed mother birth rate of 58% (57.2% larger).

The next chart, Figure 22, shows the percentage of unwed mothers who are also on public assistance. Ontario County depicts it has a Unwed birth and on public assistance of 5.9% which is the second smallest in order of percent of unwed women who have given birth and are on public assistance of all the other counties in the metro area. The county with the highest percent of unwed women who have given birth and are on public assistance in the area is Schuyler County which shows a percent of unwed women who gave birth and are on public assistance of 45.6% ( 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. Ontario County New York has the percentage of unwed mothers aged 15 to 19 in the intermediate range of other counties in the greater region at 84.6% of the total. Second, it has the second smallest when ranked by percent of unwed births to mothers aged 15 to 19 years old of all the other counties in the metro area as measured by unwed mothers aged 20 to 34 at 2.3% 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.) Ontario County New York has one of the largest proportions of White unwed birth rate at 92.2% of the total and is ranked #2. The only larger county being Cayuga County with 100.0%. Second, it has one of the largest proportions of Black unwed birth rate at 62.6% of the total and is ranked #3. Only #2 Cayuga County (100.0%), and #1 Schuyler County (100.0%) are larger.

Figure 26 shows unwed mothers in poverty (based on median household income definition) who have given birth in the last 12 months. Ontario County New York has the percentage of unwed births and living below poverty level in the middle range of other counties in the surrounding region at 30.8% of the total. Second, it has one of the largest proportions of unwed births and living between 100% and 199% of poverty level at 26.2% of the total and is ranked #2. The only larger county being Cayuga County with 27.3%.

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 has the smallest proportion of percent of unwed mothers with less than high school education at 24% of the total. Second, it has one of the largest proportions of percent of unwed mothers who are a high school graduate or equivalent at 47% of the total and is ranked #3. Only #2 Cayuga County (53%), and #1 Seneca County (60%) are larger. Third, it has one of the largest proportions of percent of unwed mothers with some college or an associates degree at 17% of the total and is ranked #3. Only #2 Steuben County (17%), and #1 Yates County (21%) are larger. Also, it has the largest proportion of percent of unwed mothers with a Bachelors degree at 10% of the total and is ranked #1.

Ontario County Marital Status Charts

The next set of demographic data looks at the marital status for Ontario County households which is useful for internet research. Figure 28 compares the total number of single people in each area. Ontario County depicts it has a Total Single People of 48% which is in the middle range of other counties in the surrounding region. The county with the highest percent of people who are single for any reason in the area is Livingston County which depicts a percent single of 51% (6.7% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Ontario County is only about 4.1% smaller. Also, in contrast to the state of New York, percent of people who are single for any reason of 53%, Ontario County is about 9.5% smaller.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Ontario County New York has the percentage of percent never married less than most other counties in the metro area at 11% of the total. Second, it has one of the largest proportions of percent divorced at 7% of the total and is ranked #3. Only #2 Cayuga County (7%), and #1 Schuyler County (7%) are larger.

Figure 33 shows the Ontario 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 Ontario County metro area. Ontario County New York has the percentage of single men 25 to 29 the second smallest when ranked by percent of single men 18 to 24 of all the other counties in the local area at 9% of the total. Second, it has the smallest proportion of single men 30 to 34 at 6% of the total. Third, it has the smallest proportion of single men 35 to 39 at 6% of the total.

Figure 34 shows the Ontario 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 Ontario County metro area. Ontario County New York has the percentage of single women 18 to 24 the second smallest when sorted by percent of single women 18 to 24 of all the other counties in the metropolitan area at 12% of the total. Second, it has one of the largest proportions of single women 30 to 34 at 9% of the total and is ranked #2. The only larger county being Cayuga County with 9%.

Ontario County Citizenship Demographics Charts

The next section of demographic information provides detailed data Ontario County residents including: immigrants, citizenship, immigration, country of origin, non citizens and more. To start, Figure 35 shows a high level view of citizenship. Ontario County New York has the largest proportion of citizens born In US at 2% of the total and is ranked #1. The next chart (Figure 36) shows for all citizens what the original place of birth was for people who were born in a foreign country and it has the largest proportion of birthplace in northeast US at 3% of the total and is ranked #1. Second, it has the largest proportion of birthplace in West at 2% of the total and is ranked #1.

In Figure 37, the demographic percentage of Ontario County residents who were not born in the United States is shown (i.e. percent foreign born.) Ontario County depicts it has a Percent Foreign Born of 3.8% which is the highest of all counties in the greater Ontario County region. Comparing percent of population who was born in another country to the United States average of 13.6%, Ontario County is approximately a third the size. Also, compared to the state of New York, percent of population who was born in another country of 22.6%, Ontario County is approximately a sixth the size.

Figure 39 provides a detailed analysis of non citizens by breaking them into two age groups: Under 18 and over the age of 18. Ontario County New York shows a percent of non citizens under 18 years old approximately an eigth the size as the percent of non citizens over 18 years old. 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 36.6 which is in the mid range of other counties in the local area. The county with the highest median age of non citizens in the area is Schuyler County which depicts a median age of 44.5 (21.6% 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 before 1990 less than most other counties in the local area at 15% of the total.

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 terms of percent of people naturalized 2015 or later of all the other counties in the area at 5% of the total. Second, it has the largest proportion of people naturalized 2005 to 2009 at 20% of the total and is ranked #1. Third, it has the second smallest as measured by percent of people naturalized 2015 or later of all the other counties in the metro area in order of people naturalized 1990 to 1994 at 6% of the total. Also, it has the second smallest when sorted by percent of people naturalized 2015 or later of all the other counties in the local area when sorted by people naturalized before 1990 at 31% of the total.

Ontario County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows Ontario County demographic information for large regions of the world that people from this place originally came from. Ontario County New York has the percentage of from Europe less than most other counties in the local area at 25% of the total. Second, it has one of the largest proportions of from Oceania at 2% of the total and is ranked #2. The only larger county being Steuben County with 2%.

Figure 45 is a table that breaks out all the people who were foreign born by which large geographic region where they were born. Ontario County New York has the largest proportion of people who were born in Southern Africa at 1.3% of the total and is ranked #1.