Cassia County, Idaho Population 2021

Cassia County, Idaho's estimated population is 24,508 with a growth rate of 0.98% in the past year according to the most recent United States census data. Cassia County, Idaho is the 16th largest county in Idaho. The 2010 Population was 23,080 and has seen a growth of 6.19% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202124,5082390.98%
202024,2692390.99%
201924,0302391.00%
201823,7911410.60%
201723,6501710.73%
201623,479-20-0.09%
201523,499-4-0.02%
201423,5031590.68%
201323,344810.35%
201223,2631570.68%
201123,106260.11%
201023,0803,54818.17%
199019,5321050.54%
198019,4272,41014.16%
197017,0178965.56%
196016,1211,49210.20%
195014,6291991.38%
194014,4301,31410.02%
193013,116-2,543-16.24%
192015,6598,462117.58%
19107,1973,24682.16%
19003,95180825.71%
18903,1431,831139.56%
18801,3120.00%
2021 Growth Rate
0.98%
County Website
State
Founded
February 20, 1879
County Seat
2010 Population
23,080
Growth Since 2010
6.19%
map placeholder

Cassia County, Idaho Population Growth

Population by Race

Race Population Percentage
White22,06793.15%
Some Other Race8193.46%
Two or More Races3221.36%
American Indian and Alaska Native2771.17%
Asian1390.59%
Black or African American520.22%
Native Hawaiian and Other Pacific Islander140.06%
Loading...

Cassia County, Idaho Population by Race

Cassia County, Idaho Population Pyramid $2021

Loading...

Cassia County, Idaho Median Age

32.9


Total

31.4


Male

34.1


Female

Cassia County, Idaho Adults

There are 16,085 adults, (3,260 of whom are seniors) in Cassia County, Idaho.

Cassia County, Idaho Age Dependency

84.7

Age Dependency Ratio

25.4

Old Age Dependency Ratio

59.3

Child Dependency Ratio

Cassia County, Idaho Sex Ratio

Female

11,643

49.15%

Male

12,047

50.85%

Cassia County, Idaho Population by Age

Cassia County, Idaho Renter vs Owner Occupied by Household Type

Loading...

Cassia County, Idaho Household Types

Type Owner Renter
Married78.3%21.7%
All70.3%29.7%
Male63%37%
Non Family62.6%37.4%
Female39.5%60.5%

70.3%

Rate of Home Ownership

Cassia County, Idaho Households and Families

Type Count Average Size Owned
All7,7113.0270.3
Married4,8303.5478.3
Non Family1,6641.2762.6
Female7393.3839.5
Male4783.463

3.4

Average Family Size

3.02

Average Household Size

Loading...

Cassia County, Idaho Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade1,0797.71%
9th to 12th Grade1,2148.68%
High School Graduate4,16629.77%
Some College3,67026.23%
Associates Degree1,2649.03%
Bachelors Degree1,91213.66%
Graduate Degree6884.92%
Loading...

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

Cassia County, Idaho Educational Attainment by Race

Loading...
Race Total High School Bachelors
White10,4689,5182,319
Hispanic3,1441,847209
Other Race47228415
Native American2091969
2+ Races13110765
Asian946343
Black2121
Islander44

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 2+ races people with a rate of 49.62%.

Cassia County, Idaho Educational Attainment by Race

Loading...
Name Average Male Female
Overall$31,838$40,436$22,450
Less Than 9th Grade$25,481$29,932$11,800
High School Graduate$28,727$33,400$20,451
Some College$31,936$42,928$21,772
Bachelors Degree$41,525$52,623$34,449
Graduate Degree$60,000$100,321$36,429

$31,838

Average Earnings

$40,436

Average Male

$22,450

Average Female

Cassia County, Idaho Earnings by Educational Attainment

Cassia County, Idaho Language by Age

Loading...

Cassia County, Idaho Language

79.20% of Cassia County, Idaho residents speak only English, while 20.80% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 19.02% of the population.

Cassia County, Idaho Language

Cassia County, Idaho Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Hispanic6,3601,61025.31%
White16,3461,5019.18%
Other79934342.93%
Multiple31912238.24%
Asian1383122.46%
Black423071.43%
Native2662710.15%

14.26%

Overall Poverty Rate

13.32%

Male Poverty Rate

15.23%

Female Poverty Rate

Poverty in Cassia County, Idaho

The race most likely to be in poverty in Cassia County, Idaho is Black, with 71.43% below the poverty level.

The race least likely to be in poverty in Cassia County, Idaho is White, with 9.18% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.18%. Among those working part-time, it was 17.44%, and for those that did not work, the poverty rate was 18.65%.

Cassia County, Idaho Poverty

Loading...
Name Poverty
Less Than 9th Grade17.94%
High School14.35%
Some College9.57%
Bachelors or Greater3.35%

Cassia County, Idaho Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed52.17%
Male Unemployed44.39%
Female Employed11.86%
Male Employed6.96%

Cassia County, Idaho Poverty Rate by Employment Status and Sex

Cassia County, Idaho Income by Household Type

Loading...
Name Median Mean
Households$52,935$66,145
Families$58,528$72,128
Married Families$64,108-
Non Families$24,303$36,652
Loading...

Income by Household Type

Cassia County, Idaho Marital Status

Loading...

Marriage Rates

60.0%

Overall Marriage Rate

59.4%

Male Marriage Rate

60.5%

Female Marriage Rate

Cassia County, Idaho Married by Age and Sex

Loading...

Cassia County, Idaho Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Cassia County, Idaho Marital Status by Race

Loading...

Cassia County, Idaho Marital Status

Loading...

1,087

Number of Veterans

992

Male Veterans

95

Female Veterans

War Veterans
Vietnam442
Second Gulf War287
First Gulf War230
Korea91
World War II13

Cassia County, Idaho Veterans by War

Loading...
Age Group Veterans
65 to 74306
35 to 54262
75+224
55 to 64189
18 to 34106

Cassia County, Idaho Veterans by Age

Loading...
Name Veterans % of Total
White9826.57%
Hispanic741.89%
2+ Races5734.97%
Native American2913.88%
Other Race183.05%
Asian11.06%

Cassia County, Idaho Veterans by Race

Cassia County, Idaho Veterans by Education

Loading...

13.55%

Veteran Poverty Rate

40.19%

Veteran Disability Rate

Cassia County, Idaho Veterans by Education

Loading...

61.9%

Labor Force Participation

60%

Employment Rate

2.8%

Unemployment Rate

Cassia County, Idaho Employment by Age

Loading...

Cassia County, Idaho Employment by Race

Loading...

Cassia County, Idaho Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

59.34%

Born in Cassia County, Idaho

89.32%

Native Born

10.68%

Foreign Born

7.97%

Non Citizen

2.71%

Naturalized

Place of Birth

89.32% of Cassia County, Idaho residents were born in the United States, with 59.34% having been born in Idaho. 7.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Cassia 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