Cassia County

Cassia County has 25,483 residents across 7 ZIP codes with their own report. Median household income is $70,830, 9% below the Idaho figure. The typical owner-occupied home is valued at $284,600, and 21% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026

25,483residentsACS 2020–2024

$70,830median household incomeIdaho: $78K

$284,600median home valueowner-occupied homes

88%of households have broadbandhome internet subscription

Cassia County in IdahoZIP codes in Cassia County highlighted; the rest of Idaho in grey

Map of Idaho with Cassia County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

All 7 ZIP codes.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP code	Residents	Household income	Home value	Owners	Bachelor's+	Broadband	Commute
83311	903	$101K	$294K	69%	28%	96%	21 min
83312	278	$57K	$436K	89%	16%	100%	58 min
83318	19,459	$71K	$277K	68%	21%	87%	18 min
83323	1,984	$61K	$340K	66%	18%	91%	17 min
83342	1,231	$57K	$224K	78%	21%	87%	31 min
83344	1,234	$65K	$426K	67%	15%	92%	23 min
83346	1,451	$70K	$269K	82%	25%	95%	30 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

25,483 residents in 8,495 households, next to the Idaho figure.

31%

under 18

21%

aged 18–34

15%

aged 65 and over

21%

of households are people living alone

60%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

9,096 housing units; the median owner-occupied home is valued at $284,600 (±$17,279).

69%

of households own their home

79%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

of housing units are vacant

$1,000

median gross rent a month

When homes were built

2020 or later2%

2010–20199%

2000–20097%

1990–199912%

1980–198910%

1970–197921%

1960–196910%

1950–19599%

1940–19495%

1939 or earlier15%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$5,163.

$70,830

median household income

12.4%

of people live below the poverty line

2.4%

unemployment rate

21%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

20 min

average commute to work

10%

of commuters travel 45 minutes or more

88%

of workers drive or carpool

take public transportation

walk or bike

work from home

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

88%

of households have a broadband subscription

10%

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates