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World Population Review
Gem County, Idaho Population 2021
Gem County, Idaho's estimated population is 19,162 with a growth rate of 2.82% in the past year according to the most recent United States census data. Gem County, Idaho is the 20th largest county in Idaho. The 2010 Population was 16,687 and has seen a growth of 14.83% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 19,162 | 525 | 2.82% |
| 2020 | 18,637 | 525 | 2.90% |
| 2019 | 18,112 | 525 | 2.99% |
| 2018 | 17,587 | 276 | 1.59% |
| 2017 | 17,311 | 352 | 2.08% |
| 2016 | 16,959 | 274 | 1.64% |
| 2015 | 16,685 | 39 | 0.23% |
| 2014 | 16,646 | 77 | 0.46% |
| 2013 | 16,569 | -61 | -0.37% |
| 2012 | 16,630 | -62 | -0.37% |
| 2011 | 16,692 | 5 | 0.03% |
| 2010 | 16,687 | 4,843 | 40.89% |
| 1990 | 11,844 | -128 | -1.07% |
| 1980 | 11,972 | 2,585 | 27.54% |
| 1970 | 9,387 | 260 | 2.85% |
| 1960 | 9,127 | 397 | 4.55% |
| 1950 | 8,730 | -814 | -8.53% |
| 1940 | 9,544 | 2,125 | 28.64% |
| 1930 | 7,419 | 992 | 15.43% |
| 1920 | 6,427 | 0.00% |
2021 Growth Rate
2.82%
County Website
State
Founded
March 15, 1915
County Seat
Lat./Long.
2010 Population
16,687
Growth Since 2010
14.83%
Gem County, Idaho Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 15,611 | 90.08% |
| Some Other Race | 878 | 5.07% |
| Two or More Races | 484 | 2.79% |
| American Indian and Alaska Native | 240 | 1.38% |
| Asian | 98 | 0.57% |
| Black or African American | 20 | 0.12% |
Gem County, Idaho Population by Race
Gem County, Idaho Population Pyramid $2021
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Gem County, Idaho Population by Age
Gem County, Idaho Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 6,683 | 2.57 | 74.8 |
| Married | 3,412 | 3.17 | 88.4 |
| Non Family | 2,098 | 1.15 | 56.1 |
| Female | 803 | 3.25 | 60.1 |
| Male | 370 | 3.74 | 87.6 |
3.13
Average Family Size
2.57
Average Household Size
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Gem County, Idaho Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 450 | 3.76% |
| 9th to 12th Grade | 1,008 | 8.43% |
| High School Graduate | 4,420 | 36.95% |
| Some College | 2,894 | 24.19% |
| Associates Degree | 1,098 | 9.18% |
| Bachelors Degree | 1,491 | 12.46% |
| Graduate Degree | 601 | 5.02% |
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Gem County, Idaho Educational Attainment by Sex (over 25)
Gem County, Idaho Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 10,973 | 10,025 | 1,940 |
| Hispanic | 578 | 100 | 55 |
| Other Race | 378 | 50 | 40 |
| 2+ Races | 278 | 172 | 44 |
| Native American | 137 | 137 | 53 |
| Asian | 83 | 70 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among native american people with a rate of 38.69%.
Gem County, Idaho Educational Attainment by Race
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$28,643
Average Earnings
$33,849
Average Male
$20,580
Average Female
Gem County, Idaho Earnings by Educational Attainment
Gem County, Idaho Language by Age
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Gem County, Idaho Language
91.95% of Gem County, Idaho residents speak only English, while 8.05% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.52% of the population.
Gem County, Idaho Language
Gem County, Idaho Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 15,086 | 2,308 | 15.30% |
| Hispanic | 1,432 | 524 | 36.59% |
| Multiple | 483 | 178 | 36.85% |
| Other | 877 | 147 | 16.76% |
| Native | 233 | 28 | 12.02% |
16.97%
Overall Poverty Rate
16.81%
Male Poverty Rate
17.13%
Female Poverty Rate
Poverty in Gem County, Idaho
The race most likely to be in poverty in Gem County, Idaho is Multiple, with 36.85% below the poverty level.
The race least likely to be in poverty in Gem County, Idaho is Native, with 12.02% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 7.95%. Among those working part-time, it was 12.26%, and for those that did not work, the poverty rate was 20.95%.
Gem County, Idaho Poverty
Gem County, Idaho Poverty Rate by Education
Gem County, Idaho Marital Status
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Marriage Rates
52.7%
Overall Marriage Rate
53.6%
Male Marriage Rate
51.7%
Female Marriage Rate
Gem County, Idaho Married by Age and Sex
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Gem County, Idaho Marriage
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.
Gem County, Idaho Marital Status by Race
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Gem County, Idaho Marital Status
Gem County, Idaho Veterans by War
Gem County, Idaho Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 1,862 | 15.36% |
| Native American | 43 | 30.71% |
| 2+ Races | 42 | 12.92% |
Gem County, Idaho Veterans by Race
Gem County, Idaho Veterans by Education
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3.73%
Veteran Poverty Rate
40.13%
Veteran Disability Rate
Gem County, Idaho Veterans by Education
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53.8%
Labor Force Participation
52.2%
Employment Rate
3%
Unemployment Rate
Gem County, Idaho Employment by Age
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Gem County, Idaho Employment by Race
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Gem 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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96.79%
Native Born
3.21%
Foreign Born
2.30%
Non Citizen
0.92%
Naturalized
Place of Birth
96.79% of Gem County, Idaho residents were born in the United States, with 49.22% having been born in Idaho. 2.30% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Gem County, Idaho Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990