According to the most recent Blaine County Montana demographics data available from the 2022 Census Bureau released in the American Community Survey in November of 2022, Figure 1 Blaine County depicts it has a Population 2021 of 7,051 which is the third most populous of all other counties in the greater Blaine County region. The county with the highest population in the area is Hill County which depicts a population of 16,297 (approximately 2.3 times bigger). Figure 3 uses the Blaine County population data for a comparison of the population growth/population change estimates from the years 2010 to 2021 and Blaine County Montana depicts an increase of 560 (9%).
The total Blaine County Montana greater area population percent change for all areas for the years from 2010 to 2021 is shown in Figure 4 and for Blaine County shows it has a Population Change of 8.6% which is the most of all counties in the greater Blaine County region.
Looking at the Blaine County population density (measured as people per square mile) and providing comparisons to both the national and state average population density in Figure 5, Blaine County Montana depicts it has 2 people per square mile which is the third most of all other counties in the greater region. The next higher when sorted by population density is Fergus County 58.4% larger with population density of 3. The county with the highest population density in the area is Hill County which indicates a people per square mile of 6 (approximately 3.4 times bigger). Figure 6 provides Blaine County demographics for the overall median age for all people in the region and Blaine County depicts it has a Median Age of 33.5 which is the smallest when sorted by overall median age of all people of all the other counties in the greater region. The county with the highest overall median age of all people in the area is Judith Basin County which shows an age of 52.3 (56.1% larger).
The next demographic analysis (Figure 7) looks at large generational Blaine 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 Blaine County Montana has the smallest proportion of people between 50 and 59 yeasr old at 11.0% of the total.
Figure 8 illustrates the overall diversity breakdown for Blaine County population and ethnicity groups in the area. (note: Hispanic/Latino is broken out separately in the next diagram and also the group denoted as Native ethnicity includes Native American, and Hawaiian and Other Pacific Islander.) Blaine County Montana has the largest proportion of White population at 0.8% of the total and is ranked #1. Second, it has the largest proportion of Asian population at 52.6% of the total and is ranked #1. Figure 9 shows the Blaine County Montana Hispanic (including non Hispanic whites) population household ethnicity in the region and Blaine County shows it has a Hispanic or Latino of 3.7% which is the third most Hispanic Population of all other counties in the greater Blaine County region.
Blaine County Families and Marital Status Charts
Figure 10 shows the detailed marriage characteristics broken down by %residents who are married, never married, single, divorced, and widowed. Blaine County has the largest proportion of total percent married at 38% of the total and is ranked #1. Figure 11 compares the average household size using the average number of people in a family for Blaine County households. Blaine County depicts it has a Family Size of 4.1 which is at the top of all other counties in the greater Blaine County region.
Looking at Blaine County households that are headed by a husband and wife as a percent of all families in Figure 12, Blaine County depicts it has a Married-couple family of 63% which is the smallest when sorted 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 Petroleum County which depicts a husband and wife family percent of 96% (51.6% larger).
The next section of charts provide a detailed look at mothers and baby births that occurred over the past 12 months. Figure 13 shows the rate of women aged 15 to 50 years old who have given birth. Blaine County shows it has a Birth Rate of 8.3% which is the second most percent of women who have given birth of all the counties in the greater Blaine County region. The county with the highest percent of women who gave birth in the area is Chouteau County which shows a birth rate of 8.4% ( only slightly larger). Figure 14 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 20 to 24 at 55% of the total and is ranked #2. The only larger county being Judith Basin County with 86%. Second, it has in the mid range of other counties in the area as measured by percent of births to mothers aged 30 to 34 at 3% of the total.
The next set of demographic data looks at the marital status for Blaine County households which is useful for internet research. Figure 16 compares the total number of single people in each area. Blaine County shows it has a Total Single People of 58% which is the highest of all counties in the greater Blaine County region. Comparing percent of people who are single for any reason to the United States average of 50%, Blaine County is 15.5% larger. Also, benchmarked against the state of Montana, percent of people who are single for any reason of 48%, Blaine County is 21.7% larger.
Blaine County Citizenship Demographics Charts
The next diagram (Figure 18) 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 less than most other counties in the metro area at 17% of the total. Second, it has one of the largest proportions of non citizens who entered the US between 2000 to 2009 at 40% of the total and is ranked #3. Only #2 Judith Basin County (65%), and #1 Phillips County (71%) are larger. Third, it has the largest proportion of non citizens who entered the US between 1990 to 1999 at 43% of the total and is ranked #1.
Blaine County Birthplace Demographic Charts
Figure 19 looks at the detailed country of origin demographic research for foreign-born people in this place. Click column to sort.
For comparison purposes, Figure 20 shows detailed statistic data for the entire United States. In particular, this diagram breaks down the detailed country of origin foreign-born people in the entire U.S. in order to compare with the data provided in the prior diagram which shows only for the local area. Both this diagram and the prior diagram are sorted the same way to facilitate comparison between the two. Click column to sort.
Cities marked with an asterisk ("*") should resemble a city or town but do not have their own government (i.e. Mayor, City Council, etc.) These places should be recognizable by the local community but their boundaries have no legal status. Technically these include both Census Designated Places (CDP) and Census County Divisions (CCD) which are defined by the Census Bureau along with local authorities. (For more information, see:
Census Designated Place or "CDP")
and Census County Division "CCD".)
For comparison purposes, the US national average and the state average value are provided. Additionally, the "Combined Statistical Area" or CSA is shown that is closest to the city, county, or zip code shown. A CSA is a large grouping of adjacent metropolitan areas that identified by the Census Bureau based on social and economic ties. (See: Combined Statistical Area)
Data sources - Mouse over icon in upper right corner of each chart for information.