Gem County, Idaho Population 2024

21,688

Gem County, Idaho's estimated 2024 population is 21,688 with a growth rate of 2.93% in the past year according to the most recent United States census data. Gem County, Idaho is the 19th largest county in Idaho. The 2010 population was 16,686 and has seen a growth of 29.98% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202924,7736172.55%
202824,1566172.62%
202723,5396172.69%
202622,9226172.77%
202522,3056172.84%
202421,6886172.93%
202321,0716173.02%
202220,4546523.29%
202119,8025302.75%
202019,2721,0986.04%
201918,1745523.13%
201817,6222711.56%
201717,3513462.03%
201617,0052991.79%
201516,706410.25%
201416,665830.5%
201316,582-56-0.34%
201216,638-58-0.35%
201116,696100.06%
201016,68600%
199011,844-128-1.07%
198011,9722,58527.54%
19709,3872602.85%
19609,1273974.55%
19508,730-814-8.53%
19409,5442,12528.64%
19307,41999215.43%
19206,427-18,346-74.06%
2024 Growth Rate
2.93% (617)
County Website
Gem County
State
Idaho
County Seat
Emmett
2020 Population
19,272
Area
560 mi²
Density
39 people/mi²
Growth Since 2020
12.54% (2,416)
Founded
March 15, 1915

Population by Race

Race
Population
Percentage (of total)
White16,68986.7%
Two or more races1,5147.86%
Other race9184.77%
Native American550.29%
Asian520.27%
Black or African American220.11%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Gem County, Idaho Population by Race

Gem County, Idaho Population Pyramid 2024

Gem County, Idaho Median Age

44

Total

42.7

Male

44.7

Female

Gem County, Idaho Adults

There are 14,926 adults, (4,273 of whom are seniors) in Gem County, Idaho.

Gem County, Idaho Age Dependency

80.7

Age Dependency Ratio

40.1

Old Age Dependency Ratio

40.6

Child Dependency Ratio

Gem County, Idaho Sex Ratio

Female9,47449.22%
Male9,77650.78%

Gem County, Idaho Population by Age

Gem County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,1962.6475.424.6
Married4,0583.1887.612.4
Non Family1,8991.1462.537.5
Female7613.1460.339.7
Male4783.2947.952.1

2.98

Average Family Size

2.64

Average Household Size

75.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Gem County, Idaho Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade9487%
Associates Degree8956.61%
Bachelors Degree2,47618.27%
Graduate Degree5664.18%
High School Graduate4,71434.79%
Less Than 9th Grade3852.84%
Some College3,56626.32%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Gem County, Idaho Educational Attainment by Sex (over 25)

Gem County, Idaho Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,80610,8672,679
2+ Races922811233
Hispanic90455983
Other Race55931961
Asian414114
Native American20200

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 34.15%.

Gem County, Idaho Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$51,460$61,620$42,346
Graduate Degree$61,116$68,243$43,854
High School Graduate$29,535$43,036$21,059
Less Than 9th Grade$29,025$41,141$22,277
Overall$40,369$53,523$28,345
Some College$42,159$56,827$32,791

$40,369

Average Earnings

$53,523

Average Male

$28,345

Average Female

Gem County, Idaho Earnings by Educational Attainment

Gem County, Idaho Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Gem County, Idaho Language

90.03% of Gem County, Idaho residents speak only English, while 9.97% 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

rate

Name
Total
In Poverty
Poverty Rate
White15,9471,4829.29%
Hispanic1,59858436.55%
Other91636339.63%
Multiple1,36623717.35%

11.76%

Overall Poverty Rate

11.51%

Male Poverty Rate

12%

Female Poverty Rate

Poverty in Gem County, Idaho

The race most likely to be in poverty in Gem County, Idaho is Other, with 39.63% below the poverty level.

The race least likely to be in poverty in Gem County, Idaho is White, with 9.29% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.76%. Among those working part-time, it was 14.67%, and for those that did not work, the poverty rate was 13.52%.

Gem County, Idaho Poverty

rate

Rate
Poverty
Less Than 9th Grade29.85%
High School9.24%
Some College7.03%
Bachelors or Greater5.72%

Gem County, Idaho Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed77.55%
Male Unemployed6.85%
Female Employed6.34%
Male Employed6.3%

Gem County, Idaho Poverty Rate by Employment Status and Sex

Gem County, Idaho Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$72,847$92,078
Households$65,204$83,872
Married Families$79,565$-999,999,999
Non Families$26,966$49,156

mean

median

Income by Household Type

Gem County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.9%

Overall Marriage Rate

55.2%

Male Marriage Rate

56.7%

Female Marriage Rate

Gem County, Idaho Married by Age and Sex

male

female

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 35-44.

Gem County, Idaho Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Gem County, Idaho Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,598

Number of Veterans

1,387

Male Veterans

211

Female Veterans

War
Veterans
Vietnam717
First Gulf War267
Second Gulf War207
Korea127
World War II29

Gem County, Idaho Veterans by War

count

Age Group
Veterans
65 to 74531
55 to 64417
75+402
35 to 54208
18 to 3440

Gem County, Idaho Veterans by Age

count

Name
Veterans
% of Total
White1,47811.24%
2+ Races908.36%
Other Race172.72%
Native American1365%

Gem County, Idaho Veterans by Race

Gem County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.87%

Veteran Poverty Rate

31.87%

Veteran Disability Rate

Gem County, Idaho Veterans by Education

LaborForceParticipation

57.3%

Labor Force Participation

55.8%

Employment Rate

2.8%

Unemployment Rate

Gem County, Idaho Employment by Age

LaborForceParticipation

Gem County, Idaho Employment by Race

LaborForceParticipation

Gem County, Idaho Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

47.36%

Born in Gem County, Idaho

94.36%

Native Born

5.64%

Foreign Born

3.53%

Non Citizen

2.11%

Naturalized

Place of Birth

94.36% of Gem County, Idaho residents were born in the United States, with 47.36% having been born in Idaho. 3.53% 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

Sources