Jerome County, Idaho Population 2021

Jerome County, Idaho's estimated population is 25,104 with a growth rate of 1.40% in the past year according to the most recent United States census data. Jerome County, Idaho is the 15th largest county in Idaho. The 2010 Population was 22,442 and has seen a growth of 11.86% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202125,1043461.40%
202024,7583461.42%
201924,4123461.44%
201824,0662981.25%
201723,7683351.43%
201623,4334622.01%
201522,971450.20%
201422,9261580.69%
201322,7681900.84%
201222,578580.26%
201122,520780.35%
201022,4427,30448.25%
199015,1382982.01%
198014,8404,58744.74%
197010,253-1,459-12.46%
196011,712-368-3.05%
195012,0802,18022.02%
19409,9001,54218.45%
19308,3582,62945.89%
19205,7290.00%
2021 Growth Rate
1.40%
County Website
State
Founded
February 8, 1919
County Seat
2010 Population
22,442
Growth Since 2010
11.86%
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Jerome County, Idaho Population Growth

Population by Race

Race Population Percentage
White22,16193.39%
Some Other Race6132.58%
Two or More Races4081.72%
Asian2270.96%
American Indian and Alaska Native1740.73%
Native Hawaiian and Other Pacific Islander1060.45%
Black or African American410.17%
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Jerome County, Idaho Population by Race

Jerome County, Idaho Population Pyramid $2021

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Jerome County, Idaho Median Age

32.7


Total

32.9


Male

32.6


Female

Jerome County, Idaho Adults

There are 16,421 adults, (2,990 of whom are seniors) in Jerome County, Idaho.

Jerome County, Idaho Age Dependency

76.7

Age Dependency Ratio

22.3

Old Age Dependency Ratio

54.4

Child Dependency Ratio

Jerome County, Idaho Sex Ratio

Female

11,748

49.51%

Male

11,982

50.49%

Jerome County, Idaho Population by Age

Jerome County, Idaho Renter vs Owner Occupied by Household Type

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Jerome County, Idaho Household Types

Type Owner Renter
Married74.9%25.1%
All64.9%35.1%
Non Family57%43%
Male51.7%48.3%
Female44.5%55.5%

64.9%

Rate of Home Ownership

Jerome County, Idaho Households and Families

Type Count Average Size Owned
All8,0222.9464.9
Married4,3513.5174.9
Non Family2,3171.4157
Female1,0063.744.5
Male3483.7751.7

3.46

Average Family Size

2.94

Average Household Size

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Jerome County, Idaho Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,69511.76%
9th to 12th Grade1,58911.03%
High School Graduate4,41530.64%
Some College3,09921.50%
Associates Degree1,2918.96%
Bachelors Degree1,50510.44%
Graduate Degree8175.67%
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Jerome County, Idaho Educational Attainment by Sex (over 25)

Jerome County, Idaho Educational Attainment by Race

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Race Total High School Bachelors
White9,9768,9392,169
Hispanic4,1011,868112
Other Race360173
Asian16814216
Native American13713739
2+ Races11311313
Islander6161
Black24245

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 native american people with a rate of 28.47%.

Jerome County, Idaho Educational Attainment by Race

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Name Average Male Female
Overall$30,443$36,279$23,204
Less Than 9th Grade$27,188$30,215$22,919
High School Graduate$29,230$40,382$13,046
Some College$29,851$37,205$22,255
Bachelors Degree$38,233$38,319$38,147
Graduate Degree$51,689$52,333$49,625

$30,443

Average Earnings

$36,279

Average Male

$23,204

Average Female

Jerome County, Idaho Earnings by Educational Attainment

Jerome County, Idaho Language by Age

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Jerome County, Idaho Language

70.00% of Jerome County, Idaho residents speak only English, while 30.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 29.11% of the population.

Jerome County, Idaho Language

Jerome County, Idaho Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic8,5552,36227.61%
White14,4351,94213.45%
Other6039916.42%
Multiple4068320.44%
Asian2277030.84%
Islander1066561.32%
Black411946.34%

19.02%

Overall Poverty Rate

15.62%

Male Poverty Rate

22.47%

Female Poverty Rate

Poverty in Jerome County, Idaho

The race most likely to be in poverty in Jerome County, Idaho is Islander, with 61.32% below the poverty level.

The race least likely to be in poverty in Jerome County, Idaho is White, with 13.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.82%. Among those working part-time, it was 20.76%, and for those that did not work, the poverty rate was 22.54%.

Jerome County, Idaho Poverty

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Name Poverty
Less Than 9th Grade17.02%
High School13.18%
Some College12.84%
Bachelors or Greater5.92%

Jerome County, Idaho Poverty Rate by Education

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Rate Poverty
Female Unemployed27.37%
Male Unemployed16.02%
Female Employed13.02%
Male Employed7.58%

Jerome County, Idaho Poverty Rate by Employment Status and Sex

Jerome County, Idaho Income by Household Type

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Name Median Mean
Households$52,921$62,875
Families$60,856$71,427
Married Families$67,192-
Non Families$29,978$37,400
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Income by Household Type

Jerome County, Idaho Marital Status

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Marriage Rates

55.7%

Overall Marriage Rate

57.5%

Male Marriage Rate

53.8%

Female Marriage Rate

Jerome County, Idaho Married by Age and Sex

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Jerome 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 55-64.

Jerome County, Idaho Marital Status by Race

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Jerome County, Idaho Marital Status

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1,134

Number of Veterans

1,028

Male Veterans

106

Female Veterans

War Veterans
Vietnam396
First Gulf War256
Second Gulf War178
World War II160
Korea43

Jerome County, Idaho Veterans by War

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Age Group Veterans
65 to 74335
35 to 54326
75+245
55 to 64172
18 to 3456

Jerome County, Idaho Veterans by Age

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Name Veterans % of Total
White1,0716.95%
Hispanic741.47%
2+ Races3525.36%
Asian2815.56%

Jerome County, Idaho Veterans by Race

Jerome County, Idaho Veterans by Education

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6.32%

Veteran Poverty Rate

34.25%

Veteran Disability Rate

Jerome County, Idaho Veterans by Education

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67.1%

Labor Force Participation

64.7%

Employment Rate

3.6%

Unemployment Rate

Jerome County, Idaho Employment by Age

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Jerome County, Idaho Employment by Race

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Jerome 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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50.68%

Born in Jerome County, Idaho

83.57%

Native Born

16.43%

Foreign Born

13.76%

Non Citizen

2.68%

Naturalized

Place of Birth

83.57% of Jerome County, Idaho residents were born in the United States, with 50.68% having been born in Idaho. 13.76% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Jerome 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