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COUNTY · 2000 CENSUS

Madison County

Idaho · 27,467 residents · 469.267 sq mi
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The short version

Madison County has lower-than-average household income, with a median household income of $32,607. Population has grown 16% since 1990. Median home value is $99,300. At a median age of 20.7, residents skew younger than the country as a whole. The poverty rate of 30.5% is well above the national figure.

At a glance
Lower income
below the US median
US median: $42,589
Younger
median age 20.7
US median: 35.2
Average education
24% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

27,467
+16%since 1990
from 23,674 in 1990
1990 – 2025
59 / sq mi
+16%since 1990
from 50 / sq mi in 1990
US average: 242
20.7
+4%since 1990
from 20.0 in 1990
US average: 35.2
Population, 19902024
21K30K39K48K58K1990201020202024Madison County
202455K
1990201020202024
Section 02

Income & economy

$32,607
+8%inflation adjusted, since 1990
from $23,000 in 1990
US average: $42,589
1990 – 2024
$10,956
+48%since 1990
from $7,385 in 1990
US average: $21,522
30.5%
+1.9 ptssince 1990
from 28.6% in 1990
US average: 12.4%
Section 03

Housing

$99,300
+10%inflation adjusted, since 1990
from $68,700 in 1990
US average: $120,530
1990 – 2024
$298
−24%inflation adjusted, since 1990
from $299 in 1990
US average: $602
59.1%
−0.8 ptssince 1990
from 59.9% in 1990
40.9% rent
3.0
+2%since 1990
from 3.0 in 1990
1990 – 2024
RELATED:See current rent listings in Madison County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic96%(22,722)
Black0.2%(50)
Hispanic / Latino2.9%(685)
Asian1.6%(380)
Diversity Score16%(3,799)
2000
White, non-Hispanic94.1%(25,856)
Black0.2%(56)
Hispanic / Latino3.9%(1,078)
Asian0.6%(153)
Diversity Score11.4%(3,123)
11
−29%since 1990
from 16 in 1990
1990 – 2024
Section 05

Education

24.4%
+5.2 ptssince 1990
from 19.2% in 1990
US average: 24.4%
High school or higher
88.5%
+0.9 ptssince 1990
from 87.6% in 1990
US average: 80.3%
10.0%
+2.5 ptssince 1990
from 7.5% in 1990
US average: 8.8%
Section 06

Commute & transportation

11.1 min
−42%since 1990
from 19.1 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 Madison County, Idaho?

Madison County, Idaho has about 27,467 residents according to the 2000 Census.

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

The typical household in Madison County, Idaho earns about $32,607 a year. Half of households make more than that, and half make less.

Is Madison County, Idaho expensive?

In Madison County, Idaho, the median home is worth about $99,300, and the typical rent is about $298 a month.

How educated are people in Madison County, Idaho?

About 24.4% of adults age 25 and over in Madison County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Madison County, Idaho?

About 30.5% of people in Madison County, Idaho live below the federal poverty line.

Has Madison County, Idaho grown since 1990?

Yes, Madison County, Idaho has grown since 1990. The population has added about 3,793 residents, a change of about 16 percent over that period.

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

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