Hillsborough County Population Charts

According to the most recent Hillsborough County New Hampshire demographics data available from the 2022 Census Bureau released in the American Community Survey in November of 2022, Figure 1 Hillsborough County indicates it has a Population 2021 of 420,504 which is the third most populous of all other counties in the greater Hillsborough County region. The county with the highest population in the area is Middlesex County which depicts a population of 1,623,411 (approximately 3.9 times bigger). Figure 3 uses the Hillsborough County population data for a comparison of the population growth/population change estimates from the years 2010 to 2021 and Hillsborough County New Hampshire shows an increase of 19,783 (5%).

The total Hillsborough County New Hampshire greater area population percent change for all areas for the years from 2010 to 2021 is shown in Figure 4 and for Hillsborough County shows it has a Population Change of 4.9% which is in the middle range of other counties in the metropolitan area.

Looking at the Hillsborough County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Hillsborough County New Hampshire depicts it has 480 people per square mile which is the third most of all other counties in the surrounding region. The next higher when sorted by population density is Worcester County 18.2% larger with population density of 567. The county with the highest population density in the area is Middlesex County which shows a people per square mile of 1,985 (approximately 4.1 times bigger). Figure 6 provides Hillsborough County demographics for the overall median age for all people in the region and Hillsborough County shows it has a Median Age of 40.9 which is less than most other counties in the metro area. The county with the highest overall median age of all people in the area is Sullivan County which depicts an age of 46.5 (13.7% larger). The Hillsborough County New Hampshire population data for median age broken out by gender for both men versus the median age of women is shown in Figure 7. Hillsborough County New Hampshire depicts a median age of men only about 4.5% smaller as the median age of women.

The next demographic analysis (Figure 8) looks at large generational Hillsborough County population groups (and can be useful internet research for employment related research or identifying areas with retirees). Key findings in this chart includes that Hillsborough County New Hampshire has the largest proportion of people between 30 and 39 years old at 13.0% of the total and is ranked #1. Second, it has the second smallest as measured by people less than 20 years of age of all the other counties in the metro area as measured by people between 60 and 69 years old at 10.3% of the total. Figure 10 shows the Hillsborough County New Hampshire Hispanic (including non Hispanic whites) population household ethnicity in the region and Hillsborough County depicts it has a Hispanic or Latino of 7.4% which is the third most Hispanic Population of all other counties in the greater Hillsborough County region. Figure 11 compares the ratio of the amount of men to the amount of women and depicts total male population about the same size as the total female population.

Hillsborough County Marital Status and Families Charts

Figure 14 compares the average household size using the average number of people in a family for Hillsborough County households. Hillsborough County shows it has a Family Size of 3.2 which is the third most average family size of all other counties in the greater Hillsborough County region. The county with the highest average family size in the area is Sullivan County which shows an average family size of 3.4 (6.0% larger).

Figure 15 shows the overall ratio of Hillsborough County households for families to the total number of Hillsborough County households and that Hillsborough County indicates it has a Families of 64% which is in the middle range of other counties in the local area. The county with the highest percent of people who are in a family in the area is Rockingham County which depicts a families percent of 69% (7.9% larger).

Looking at Hillsborough County households that are headed by a husband and wife as a percent of all families in Figure 16, Hillsborough County shows it has a Married-couple family of 78% which is the second smallest as measured by percent of people in a husband and wife family of all the other counties in the metro area. The county with the highest percent of people in a husband and wife family in the area is Rockingham County which shows a husband and wife family percent of 82% (only about 5.0% larger).

Hillsborough 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. Hillsborough County shows it has a Birth Rate of 4.8% which is the third most of all other counties in the local area. The county with the highest percent of women who gave birth in the area is Sullivan County which shows a birth rate of 6.5% (34.0% 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 the largest proportion of percent of births to mothers aged 25 to 29 at 38% of the total and is ranked #1.

In Figure 20, the demographic data for Hillsborough County New Hampshire teenager birth rate is shown (women between the ages of 15 and 19.) Hillsborough County shows it has a Teenager Birth Rate of 2% which is the second most percent of births to a teenager of all the counties in the greater Hillsborough County region. The county with the highest teenager birth rate in the area is Rockingham County which shows a births to a teenager of 3% (24.5% larger).

In Figure 21, the percentage of all births in the last 12 months to mothers that were unmarried is shown (unwed mothers.) Hillsborough County shows it has a Unwed Births of 32% which is less than most other counties in the greater region. The county with the highest percent of unwed women who have given birth in the area is Sullivan County which depicts an unwed mother birth rate of 56% (73.6% larger).

The next chart, Figure 22, shows the percentage of unwed mothers who are also on public assistance. Hillsborough County shows it has a Unwed birth and on public assistance of 3.7% which is the second smallest as measured by percent of unwed women who have given birth and are on public assistance of all the other counties in the metropolitan area. The county with the highest percent of unwed women who have given birth and are on public assistance in the area is Cheshire County which depicts a percent of unwed women who gave birth and are on public assistance of 15.4% (approximately 4.2 times bigger).

Unwed mothers who have given birth in the last 12 months are also shown broken down by age group in Figure 24. Hillsborough County New Hampshire has one of the largest proportions of unwed mothers aged 15 to 19 at 81.3% of the total and is ranked #3. Only #2 Worcester County (83.1%), and #1 Cheshire County (97.1%) are larger. Second, it has less than most other counties in the local area when sorted by unwed mothers aged 20 to 34 at 12.0% 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.) Hillsborough County New Hampshire has one of the largest proportions of White unwed birth rate at 37.6% of the total and is ranked #2. The only larger county being Middlesex County with 57.1%. Second, it has one of the largest proportions of Black unwed birth rate at 44.5% of the total and is ranked #3. Only #2 Rockingham County (54.7%), and #1 Worcester County (62.9%) are larger. Third, 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. Hillsborough County New Hampshire has the percentage of unwed births and living below poverty level in the middle range of other counties in the local area at 20.3% of the total. Second, it has in the mid range of other counties in the surrounding region when sorted by unwed births and living between 100% and 199% of poverty level at 45.7% 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 53% of the total and is ranked #2. The only larger county being Sullivan County with 64%. Second, it has the second smallest when ranked by percent of unwed mothers with less than high school education of all the other counties in the metropolitan area when ranked by percent of unwed mothers with some college or an associates degree at 5% of the total.

Hillsborough County Marital Status Charts

The next set of demographic data looks at the marital status for Hillsborough County households which is useful for internet research. Figure 28 compares the total number of single people in each area. Hillsborough County indicates it has a Total Single People of 49% which is less than most other counties in the local area. The county with the highest percent of people who are single for any reason in the area is Sullivan County which indicates a percent single of 51% (6.0% larger). Comparing percent of people who are single for any reason to the United States average of 50%, Hillsborough County is only about 3.4% smaller. Also, in contrast to the state of New Hampshire, percent of people who are single for any reason of 48%, Hillsborough County is only slightly larger.

Figure 30 compares the single people in each area broken down by never married, divorced, and widowed. Hillsborough County New Hampshire has the percentage of percent never married in the mid range of other counties in the greater region at 12% of the total. Second, it has less than most other counties in the surrounding region in terms of percent divorced at 5% of the total. Figure 32 shows the number of single women adults in each area broken out by never married, divorced and widowed. Hillsborough County New Hampshire has one of the largest proportions of women who have never been married at 14% of the total and is ranked #2. The only larger county being Cheshire County with 15%.

Figure 33 shows the Hillsborough 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 Hillsborough County metro area. Hillsborough County New Hampshire has one of the largest proportions of single men 18 to 24 at 18% of the total and is ranked #2. The only larger county being Middlesex County with 21%.

Figure 34 shows the Hillsborough 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 Hillsborough County metro area. Hillsborough County New Hampshire has one of the largest proportions of single women 18 to 24 at 16% of the total and is ranked #2. The only larger county being Middlesex County with 18%. Second, it has the largest proportion of single women 35 to 39 at 8% of the total and is ranked #1.

Hillsborough County Citizenship Demographics Charts

In Figure 37, the demographic percentage of Hillsborough County residents who were not born in the United States is shown (i.e. percent foreign born.) Hillsborough County shows it has a Percent Foreign Born of 10.0% which is the third most percent born outside United States of all other counties in the greater Hillsborough County region. The county with the highest percent of population who was born in another country in the area is Middlesex County which depicts a percent born outside United States of 21.9% (about twice as large). Comparing percent of population who was born in another country to the United States average of 13.6%, Hillsborough County is approximately three-fourths the size. Also, measured against the state of New Hampshire, percent of population who was born in another country of 6.0%, Hillsborough County is 65.1% larger.

Figure 39 provides a detailed analysis of non citizens by breaking them into two age groups: Under 18 and over the age of 18. Hillsborough County New Hampshire 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 36.9 which is less than most other counties in the greater region. The county with the highest median age of non citizens in the area is Sullivan County which depicts a median age of 52.9 (43.4% 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 greater region at 10% 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. it has one of the largest proportions of people naturalized 2015 or later at 21% of the total and is ranked #3. Only #2 Middlesex County (21%), and #1 Worcester County (23%) are larger. Second, it has the largest proportion of people naturalized 2010 to 2014 at 19% of the total and is ranked #1. Third, it has the smallest proportion of people naturalized 1990 to 1994 at 5% of the total. Also, it has in the middle range of other counties in the local area in order of people naturalized before 1990 at 17% of the total.

Hillsborough County Birthplace Demographic Charts

Figure 43 displays a map of the globe and shows Hillsborough County demographic information for large regions of the world that people from this place originally came from. Hillsborough County New Hampshire has the percentage of from Europe less than most other counties in the area at 19% of the total. Second, it has less than most other counties in the area in terms of from Africa at 8% of the total. Third, it has the largest proportion of from the Americas at 38% 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. Hillsborough County New Hampshire has the largest proportion of from Oceania at 38% 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. Hillsborough County New Hampshire has the smallest proportion of people who were born in Eastern Asia at 6.1% of the total. Second, it has the largest proportion of people who were born in South Central Asia at 17.2% of the total and is ranked #1. Third, it has the largest proportion of people who were born in the Caribbean at 12.8% of the total and is ranked #1. Also, it has the largest proportion of people who were born in Central America at 8.1% of the total and is ranked #1.