Jerome County, Idaho Population 2020

Jerome County, Idaho's estimated population is 24,527 with a growth rate of 1.05% in the past year according to the most recent United States census data. Jerome County, Idaho is the 14th largest county in Idaho.

Year Population Growth Growth Rate
202024,5272561.05%
201924,2712561.07%
201824,0152561.08%
201723,7593341.43%
201623,4254191.82%
201523,006540.24%
201422,9521620.71%
201322,7901930.85%
201222,597640.28%
201122,533790.35%
201022,4547,31648.33%
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%
2020 Growth Rate
1.05%
County Website
State
Founded
February 8, 1919
County Seat

Jerome County, Idaho Population Growth

Population by Race

Race Population Percentage
White22,05994.14%
Some Other Race6052.58%
Two or More Races4131.76%
Asian1290.55%
American Indian and Alaska Native1130.48%
Native Hawaiian and Other Pacific Islander830.35%
Black or African American290.12%

Jerome County, Idaho Population Pyramid 2020

Jerome County, Idaho Median Age

32.7


Total

32.9


Male

32.4


Female

Jerome County, Idaho Adults

There are 16,161 adults, (2,935 of whom are seniors) in Jerome County, Idaho.

Jerome County, Idaho Age Dependency

77.2

Age Dependency Ratio

22.2

Old Age Dependency Ratio

55

Child Dependency Ratio

Jerome County, Idaho Sex Ratio

Female

11,630

49.64%

Male

11,801

50.36%

Jerome County, Idaho Households and Families

Jerome County, Idaho Renter vs Owner Occupied by Household Type

Jerome County, Idaho Household Types

Type Owner Renter
Married74.9%25.1%
All63.9%36.1%
Non Family56.2%43.8%
Female39.3%60.7%
Male35.3%64.7%

63.9%

Rate of Home Ownership

Type Count Average Size Owned
All7,8282.9763.9
Married4,5203.4774.9
Non Family1,9761.3656.2
Female9243.4339.3
Male4084.1835.3

3.36

Average Family Size

2.97

Average Household Size

6.9%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Jerome County, Idaho Education

Education Attained Count Percentage
Less Than 9th Grade1,51210.71%
9th to 12th Grade1,63811.60%
High School Graduate4,62032.72%
Some College3,15322.33%
Associates Degree1,0997.78%
Bachelors Degree1,51110.70%
Graduate Degree5874.16%

Jerome County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White9,9448,9331,957
Hispanic3,8861,77799
Other Race317161
Multiple Races12511411
Asian866717
Native American736314
Islander6060
Black22225

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 22.73%.

Name Average Male Female
Overall$29,847$35,987$21,366
Less Than High School$25,995$30,401$20,736
High School Grad$27,122$37,522$13,994
Some College$30,480$36,066$22,148
Bachelors Degree$39,781$39,604$40,049
Graduate Degree$52,361$71,793$43,500

$29,847

Average Earnings

$35,987

Average Male

$21,366

Average Female

Jerome County, Idaho Language

Jerome County, Idaho Language by Age

Jerome County, Idaho Language

69.85% of Jerome County, Idaho residents speak only English, while 30.15% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 29.41% of the population.

Jerome County, Idaho Poverty

Jerome County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic8,0302,14126.66%
White14,4121,84912.83%
Other6058714.38%
Multiple4017518.70%
Islander836274.70%
Asian1292217.05%
Black291758.62%

18.00%

Overall Poverty Rate

15.46%

Male Poverty Rate

20.56%

Female Poverty Rate

Poverty in Jerome County, Idaho

The race most likely to be in poverty in Jerome County, Idaho is Islander, with 74.70% below the poverty level.

The race least likely to be in poverty in Jerome County, Idaho is White, with 12.83% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.67%. Among those working part-time, it was 23.47%, and for those that did not work, the poverty rate was 21.19%.

Name Poverty
Less Than High School16.94%
High School13.38%
Some College11.60%
Bachelors or Greater4.59%
Name Poverty
Male Unemployed34.17%
Female Employed11.82%
Male Employed8.58%
Female Unemployed3.92%

Jerome County, Idaho Income

Jerome County, Idaho Income by Household Type

Name Median Mean
Households$49,306$61,238
Families$55,933$68,498
Married Families$63,614-
Non Families$28,142$35,554

Jerome County, Idaho Marital Status

Jerome County, Idaho Marital Status

Marriage Rates

58.0%

Overall Marriage Rate

58.9%

Male Marriage Rate

57.1%

Female Marriage Rate

Jerome County, Idaho Married by Age and Sex

Jerome 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.

Jerome County, Idaho Marital Status by Race

Jerome County, Idaho Veterans

1,211

Number of Veterans

1,114

Male Veterans

97

Female Veterans

War Veterans
Vietnam461
First Gulf War187
World War II150
Second Gulf War130
Korea61
Age Group Veterans
65 to 74393
35 to 54302
75+266
55 to 64214
18 to 3436
Name Veterans % of Total
White1,1597.57%
Hispanic440.91%
2 or More3522.88%
Asian1719.77%

$Jerome County, Idaho Veterans by Education

7.02%

Veteran Poverty Rate

34.87%

Veteran Disability Rate

Jerome County, Idaho Employment Status

65.7%

Labor Force Participation

63.1%

Employment Rate

4%

Unemployment Rate

Jerome County, Idaho Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

50.97%

Born in Idaho

84.41%

Native Born

15.59%

Foreign Born

12.93%

Non Citizen

Place of Birth

84.41% of Jerome County, Idaho residents were born in the United States, with 50.97% having been born in Idaho. 12.93% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin 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