Boundary County, Idaho Population 2020

Boundary County, Idaho's estimated population is 12,016 with a growth rate of 0.28% in the past year according to the most recent United States census data. Boundary County, Idaho is the 26th largest county in Idaho.

Year Population Growth Growth Rate
202012,016340.28%
201911,982340.28%
201811,948340.29%
201711,9142622.25%
201611,6523763.33%
201511,2763212.93%
201410,9551030.95%
201310,852370.34%
201210,815-6-0.06%
201110,821-178-1.62%
201010,9992,66732.01%
19908,3321,04314.31%
19807,28991814.41%
19706,3715629.67%
19605,809-99-1.68%
19505,908-79-1.32%
19405,9871,43231.44%
19304,555811.81%
19204,4740.00%
2020 Growth Rate
0.28%
County Website
State
Founded
January 23, 1915
County Seat
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Boundary County, Idaho Population Growth

Population by Race

Race Population Percentage
White10,86394.06%
Two or More Races3463.00%
American Indian and Alaska Native1191.03%
Asian900.78%
Some Other Race720.62%
Black or African American330.29%
Native Hawaiian and Other Pacific Islander260.23%
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Boundary County, Idaho Population Pyramid 2020

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Boundary County, Idaho Median Age

43.5


Total

43.7


Male

43.2


Female

Boundary County, Idaho Adults

There are 8,809 adults, (2,433 of whom are seniors) in Boundary County, Idaho.

Boundary County, Idaho Age Dependency

81.1

Age Dependency Ratio

38.2

Old Age Dependency Ratio

43

Child Dependency Ratio

Boundary County, Idaho Sex Ratio

Female

5,814

50.34%

Male

5,735

49.66%

Boundary County, Idaho Households and Families

Boundary County, Idaho Renter vs Owner Occupied by Household Type

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Boundary County, Idaho Household Types

Type Owner Renter
Married85.7%14.3%
All75%25%
Male67.5%32.5%
Non Family63.8%36.2%
Female52.1%47.9%

75.0%

Rate of Home Ownership

Type Count Average Size Owned
All4,6052.4875
Married2,4433.1885.7
Non Family1,7551.1963.8
Female2134.8552.1
Male1942.8667.5

3.17

Average Family Size

2.48

Average Household Size

4.9%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Boundary County, Idaho Education

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Education Attained Count Percentage
Less Than 9th Grade3083.83%
9th to 12th Grade3334.14%
High School Graduate3,30641.10%
Some College1,88423.42%
Associates Degree6848.50%
Bachelors Degree1,06613.25%
Graduate Degree4635.76%
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Boundary County, Idaho Educational Attainment by Race

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Name Total High School Bachelors
White7,3986,9091,414
Hispanic35023984
Multiple Races25021544
Native American7670
Other Race35
Islander1616
Asian15152
Black333

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 100.00%.

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Name Average Male Female
Overall$31,992$38,701$27,847
Less Than High School$31,717$32,183$
High School Grad$30,289$32,862$25,239
Some College$31,323$42,108$22,063
Bachelors Degree$51,731$84,063$45,875
Graduate Degree$49,792$$

$31,992

Average Earnings

$38,701

Average Male

$27,847

Average Female

Boundary County, Idaho Language

Boundary County, Idaho Language by Age

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Boundary County, Idaho Language

95.87% of Boundary County, Idaho residents speak only English, while 4.13% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.46% of the population.

Boundary County, Idaho Poverty

Boundary County, Idaho Poverty by Race

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Name Total In Poverty Poverty Rate
White10,3351,64815.95%
Hispanic53811220.82%
Native1137162.83%
Multiple3464111.85%
Black333090.91%
Asian9077.78%

16.75%

Overall Poverty Rate

16.04%

Male Poverty Rate

17.45%

Female Poverty Rate

Poverty in Boundary County, Idaho

The race most likely to be in poverty in Boundary County, Idaho is Black, with 90.91% below the poverty level.

The race least likely to be in poverty in Boundary County, Idaho is Asian, with 7.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.22%. Among those working part-time, it was 20.69%, and for those that did not work, the poverty rate was 18.45%.

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Name Poverty
Less Than High School29.43%
High School14.60%
Some College13.64%
Bachelors or Greater4.52%
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Name Poverty
Female Unemployed40.79%
Male Unemployed15.38%
Female Employed14.37%
Male Employed7.16%

Boundary County, Idaho Income

Boundary County, Idaho Income by Household Type

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Name Median Mean
Households$43,507$63,678
Families$61,974$79,320
Married Families$66,847-
Non Families$26,829$34,929
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Boundary County, Idaho Marital Status

Boundary County, Idaho Marital Status

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Marriage Rates

57.5%

Overall Marriage Rate

58.8%

Male Marriage Rate

56.3%

Female Marriage Rate

Boundary County, Idaho Married by Age and Sex

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Boundary County, Idaho Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Boundary County, Idaho Marital Status by Race

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Boundary County, Idaho Veterans

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1,181

Number of Veterans

1,098

Male Veterans

83

Female Veterans

War Veterans
Vietnam661
Second Gulf War130
First Gulf War115
World War II70
Korea48
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Age Group Veterans
65 to 74401
55 to 64311
75+276
35 to 54112
18 to 3481
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Name Veterans % of Total
White1,12413.40%
2 or More4316.48%
Hispanic297.61%
Indian1417.95%

Boundary County, Idaho Veterans by Education

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8.13%

Veteran Poverty Rate

27.86%

Veteran Disability Rate

Boundary County, Idaho Employment Status

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49.8%

Labor Force Participation

47.8%

Employment Rate

3.9%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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31.58%

Born in Idaho

95.45%

Native Born

4.55%

Foreign Born

2.52%

Non Citizen

2.03%

Naturalized

Place of Birth

95.45% of Boundary County, Idaho residents were born in the United States, with 31.58% having been born in Idaho. 2.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990