Madison County vs Twin Falls County

A side-by-side comparison of Madison County and Twin Falls County: population, income, housing, and more.

Madison County and Twin Falls County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Twin Falls County has the higher population (92,121 vs 53,578 in Madison County). Twin Falls County has the higher median household income ($65,338 vs $58,259 in Madison County). Madison County has the higher median home value ($365,000 vs $292,700 in Twin Falls County).

Population, income & housing

	Madison County	Twin Falls County
Population	53,578	92,121
Median age	21.4 yrs	35.8 yrs
Median household income	$58,259	$65,338
Median home value	$365,000	$292,700
Median gross rent	$965	$1,011
Housing units	14,769	35,749
Homeownership rate	40.2%	69.6%
Bachelor's degree or higher	40.3%	23.0%
Unemployment rate	8.8%	3.2%

Trends (ACS 5-year, 2019–2023)

	Madison County	Twin Falls County
Population	39,100 → 53,578 (+37.0%)	84,869 → 92,121 (+8.5%)
Median household income	$39,160 → $58,259 (+48.8%)	$52,919 → $65,338 (+23.5%)
Median home value	$219,100 → $365,000 (+66.6%)	$166,800 → $292,700 (+75.5%)
Median gross rent	$723 → $965 (+33.5%)	$800 → $1,011 (+26.4%)

Madison County

Population

39,10053,578

Median household income

$39,160$58,259

Median home value

$219,100$365,000

Median gross rent

$723$965

Twin Falls County

Population

84,86992,121

Median household income

$52,919$65,338

Median home value

$166,800$292,700

Median gross rent

$800$1,011

Age & race/ethnicity

Age distribution (share)

	Madison County	Twin Falls County
Under 5	6.9%	6.4%
5 to 17	13.7%	20.3%
18 to 24	45.8%	8.7%
25 to 34	13.7%	13.3%
35 to 44	5.6%	13.1%
45 to 54	4.9%	10.7%
55 to 64	4.2%	11.2%
65 to 74	3.1%	9.7%
75 and over	2.2%	6.7%

Race & ethnicity (share)

	Madison County	Twin Falls County
White (non-Hispanic)	84.5%	76.2%
Black or African American	0.9%	0.7%
American Indian & Alaska Native	0.3%	0.2%
Asian	1.4%	1.3%
Native Hawaiian & Pacific Islander	0.3%	0.3%
Some other race	0.3%	0.3%
Two or more races	2.4%	3.5%
Hispanic or Latino	9.7%	17.5%

Educational attainment (age 25+)

Share of adults 25+

	Madison County	Twin Falls County
No high school diploma	3.0%	11.3%
High school graduate	15.0%	28.9%
Some college or associate's	41.7%	36.8%
Bachelor's degree	28.4%	13.9%
Graduate or professional degree	11.9%	9.1%

Commute to work

How workers get to work (share)

	Madison County	Twin Falls County
Drove alone	59.2%	79.5%
Carpooled	14.7%	9.9%
Public transit	1.1%	0.1%
Walked	12.2%	1.2%
Bicycle	0.9%	0.2%
Worked from home	11.6%	8.2%
Other means	0.4%	1.0%

Housing

Units in structure (share)

	Madison County	Twin Falls County
1-unit, detached	38.0%	75.0%
1-unit, attached	4.1%	3.7%
2 to 4 units	12.0%	8.6%
5 to 19 units	19.6%	3.6%
20 or more units	21.7%	1.6%
Mobile home & other	4.8%	7.5%

Poverty & households

	Madison County	Twin Falls County
Poverty rate	26.8%	10.7%
Average household size	3.45	2.67
Mean commute (minutes)	17	18
Median year structure built	2002	1980