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COUNTY · 2000 CENSUS

Cassia County

Idaho · 21,416 residents · 2,565.61 sq mi
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The short version

Cassia County has lower-than-average household income, with a median household income of $33,322. Population has held roughly steady since 1990. 14% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $79,800. At a median age of 31.1, residents skew younger than the country as a whole.

At a glance
Lower income
below the US median
US median: $42,589
Younger
median age 31.1
US median: 35.2
Less educated
14% hold a bachelor's degree
US average: 24%
Less affordable
home values up 32%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

21,416
+10%since 1990
from 19,532 in 1990
1990 – 2025
8 / sq mi
+10%since 1990
from 8 / sq mi in 1990
US average: 242
31.1
+7%since 1990
from 29.0 in 1990
US average: 35.2
Population, 19902024
19K21K23K24K26K1990201020202024Cassia County
202425K
1990201020202024
Section 02

Income & economy

$33,322
+8%inflation adjusted, since 1990
from $23,381 in 1990
US average: $42,589
1990 – 2024
$14,087
+45%since 1990
from $9,726 in 1990
US average: $21,522
13.6%
−0.8 ptssince 1990
from 14.5% in 1990
US average: 12.4%
Section 03

Housing

$79,800
+32%inflation adjusted, since 1990
from $46,000 in 1990
US average: $120,530
1990 – 2024
$403
+12%inflation adjusted, since 1990
from $274 in 1990
US average: $602
72.6%
+1.3 ptssince 1990
from 71.4% in 1990
27.4% rent
2.4
+22%since 1990
from 2.0 in 1990
1990 – 2024
RELATED:See current rent listings in Cassia County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic89.9%(17,563)
Black0%(4)
Hispanic / Latino13.2%(2,578)
Asian0.4%(83)
Diversity Score43.5%(8,500)
2000
White, non-Hispanic79.3%(16,982)
Black0.1%(16)
Hispanic / Latino18.7%(4,013)
Asian0.4%(79)
Diversity Score39.4%(8,443)
39
−9%since 1990
from 44 in 1990
1990 – 2024
Section 05

Education

13.9%
−0.1 ptssince 1990
from 14.0% in 1990
US average: 24.4%
High school or higher
76.9%
+4.3 ptssince 1990
from 72.7% in 1990
US average: 80.3%
4.8%
+1.8 ptssince 1990
from 3.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.9 min
−26%since 1990
from 16.0 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Cassia County, Idaho?

Cassia County, Idaho has about 21,416 residents according to the 2000 Census.

What is the median household income in Cassia County, Idaho?

The typical household in Cassia County, Idaho earns about $33,322 a year. Half of households make more than that, and half make less.

Is Cassia County, Idaho expensive?

In Cassia County, Idaho, the median home is worth about $79,800, and the typical rent is about $403 a month.

How educated are people in Cassia County, Idaho?

About 13.9% of adults age 25 and over in Cassia County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Cassia County, Idaho?

About 13.6% of people in Cassia County, Idaho live below the federal poverty line.

Has Cassia County, Idaho grown since 1990?

Yes, Cassia County, Idaho has grown since 1990. The population has added about 1,884 residents, a change of about 10 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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