Boundary County, Idaho Population 2021

Boundary County, Idaho's estimated population is 12,703 with a growth rate of 1.84% in the past year according to the most recent United States census data. Boundary County, Idaho is the 26th largest county in Idaho. The 2010 Population was 10,999 and has seen a growth of 15.49% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202112,7032291.84%
202012,4742291.87%
201912,2452291.91%
201812,016510.43%
201711,9652642.26%
201611,7014023.56%
201511,2993433.13%
201410,9561030.95%
201310,853360.33%
201210,817-6-0.06%
201110,823-176-1.60%
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%
2021 Growth Rate
1.84%
County Website
State
Founded
January 23, 1915
County Seat
2010 Population
10,999
Growth Since 2010
15.49%
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Boundary County, Idaho Population Growth

Population by Race

Race Population Percentage
White11,14594.09%
Two or More Races1871.58%
American Indian and Alaska Native1611.36%
Asian1441.22%
Some Other Race800.68%
Native Hawaiian and Other Pacific Islander650.55%
Black or African American630.53%
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Boundary County, Idaho Population by Race

Boundary County, Idaho Population Pyramid $2021

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Boundary County, Idaho Median Age

43.5


Total

43.1


Male

43.8


Female

Boundary County, Idaho Adults

There are 9,052 adults, (2,519 of whom are seniors) in Boundary County, Idaho.

Boundary County, Idaho Age Dependency

81.3

Age Dependency Ratio

38.6

Old Age Dependency Ratio

42.8

Child Dependency Ratio

Boundary County, Idaho Sex Ratio

Female

5,924

50.01%

Male

5,921

49.99%

Boundary County, Idaho Population by Age

Boundary County, Idaho Renter vs Owner Occupied by Household Type

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Boundary County, Idaho Household Types

Type Owner Renter
Married88.5%11.5%
All76.7%23.3%
Male75.4%24.6%
Non Family65.3%34.7%
Female35.1%64.9%

76.7%

Rate of Home Ownership

Boundary County, Idaho Households and Families

Type Count Average Size Owned
All4,6532.5276.7
Married2,4583.1688.5
Non Family1,7761.2565.3
Male2113.2175.4
Female2085.1535.1

3.22

Average Family Size

2.52

Average Household Size

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Boundary County, Idaho Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2853.49%
9th to 12th Grade3854.72%
High School Graduate3,48042.67%
Some College1,83522.50%
Associates Degree5556.80%
Bachelors Degree1,08813.34%
Graduate Degree5286.47%
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Boundary County, Idaho Educational Attainment by Sex (over 25)

Boundary County, Idaho Educational Attainment by Race

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Race Total High School Bachelors
White7,5537,0401,533
Hispanic29618066
2+ Races16014633
Native American10191
Asian44271
Islander1919
Other Race1010
Black555

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%.

Boundary County, Idaho Educational Attainment by Race

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Name Average Male Female
Overall$31,990$39,888$25,346
Less Than 9th Grade$31,587$35,000$2,500
High School Graduate$30,984$35,427$25,806
Some College$30,239$43,544$21,567
Bachelors Degree$42,279$54,875$37,386
Graduate Degree$46,000$$34,531

$31,990

Average Earnings

$39,888

Average Male

$25,346

Average Female

Boundary County, Idaho Earnings by Educational Attainment

Boundary County, Idaho Language by Age

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Boundary County, Idaho Language

96.50% of Boundary County, Idaho residents speak only English, while 3.50% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.36% of the population.

Boundary County, Idaho Language

Boundary County, Idaho Poverty by Race

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Name Total In Poverty Poverty Rate
White10,5741,93518.30%
Hispanic55010819.64%
Native1568655.13%
Black625791.94%
Asian1443927.08%
Other412151.22%
Multiple1872010.70%
Islander6557.69%

19.28%

Overall Poverty Rate

19.17%

Male Poverty Rate

19.38%

Female Poverty Rate

Poverty in Boundary County, Idaho

The race most likely to be in poverty in Boundary County, Idaho is Black, with 91.94% below the poverty level.

The race least likely to be in poverty in Boundary County, Idaho is Islander, with 7.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.67%. Among those working part-time, it was 19.29%, and for those that did not work, the poverty rate was 21.28%.

Boundary County, Idaho Poverty

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Name Poverty
Less Than 9th Grade33.69%
Some College15.13%
High School15.10%
Bachelors or Greater4.89%

Boundary County, Idaho Poverty Rate by Education

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Rate Poverty
Female Unemployed19.64%
Male Unemployed17.82%
Female Employed15.29%
Male Employed8.17%

Boundary County, Idaho Poverty Rate by Employment Status and Sex

Boundary County, Idaho Income by Household Type

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Name Median Mean
Households$43,423$64,115
Families$61,150$79,012
Married Families$68,929-
Non Families$28,080$37,424
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Income by Household Type

Boundary County, Idaho Marital Status

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Marriage Rates

55.7%

Overall Marriage Rate

55.5%

Male Marriage Rate

55.8%

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 Marital Status

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992

Number of Veterans

936

Male Veterans

56

Female Veterans

War Veterans
Vietnam556
Second Gulf War97
First Gulf War77
World War II58
Korea43

Boundary County, Idaho Veterans by War

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Age Group Veterans
65 to 74383
75+260
55 to 64237
35 to 5483
18 to 3429

Boundary County, Idaho Veterans by Age

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Name Veterans % of Total
White95911.15%
2+ Races2011.90%
Native American1312.15%

Boundary County, Idaho Veterans by Race

Boundary County, Idaho Veterans by Education

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7.54%

Veteran Poverty Rate

29.26%

Veteran Disability Rate

Boundary County, Idaho Veterans by Education

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51.5%

Labor Force Participation

49.9%

Employment Rate

3.3%

Unemployment Rate

Boundary County, Idaho Employment by Age

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Boundary County, Idaho Employment by Race

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Boundary County, Idaho Employment by Education

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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32.33%

Born in Boundary County, Idaho

95.73%

Native Born

4.27%

Foreign Born

2.50%

Non Citizen

1.77%

Naturalized

Place of Birth

95.73% of Boundary County, Idaho residents were born in the United States, with 32.33% having been born in Idaho. 2.50% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Boundary County, Idaho Place of Birth

  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

Sources