Madison County, Idaho Population 2024

54,136

Madison County, Idaho's estimated 2024 population is 54,136 with a growth rate of -0.75% in the past year according to the most recent United States census data. Madison County, Idaho is the 7th largest county in Idaho. The 2010 population was 37,588 and has seen a growth of 44.02% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202952,081-411-0.78%
202852,492-411-0.78%
202752,903-411-0.77%
202653,314-411-0.77%
202553,725-411-0.76%
202454,136-411-0.75%
202354,547-411-0.75%
202254,9588661.6%
202154,0921,1642.2%
202052,92812,72331.65%
201940,2057541.91%
201839,451-89-0.23%
201739,5404291.1%
201639,1119912.6%
201538,1201150.3%
201438,0053981.06%
201337,607-105-0.28%
201237,712-225-0.59%
201137,9373490.93%
201037,58800%
199023,6744,19421.53%
198019,4806,02844.81%
197013,4524,03542.85%
19609,4172612.85%
19509,156-30-0.33%
19409,18687010.46%
19308,316-851-9.28%
19209,167-42,914-82.4%
2024 Growth Rate
-0.75% (-411)
County Website
Madison County
State
Idaho
County Seat
Rexburg
2020 Population
52,928
Area
469 mi²
Density
115 people/mi²
Growth Since 2020
2.28% (1,208)
Founded
February 18, 1913

Population by Race

Race
Population
Percentage (of total)
White47,22088.13%
Two or more races3,0325.66%
Other race1,7093.19%
Asian7721.44%
Black or African American4920.92%
Native Hawaiian or Pacific Islander1860.35%
Native American1670.31%

White

Two or more races

Other race

Asian

Black or African American

Native Hawaiian or Pacific Islander

Native American

Madison County, Idaho Population by Race

Madison County, Idaho Population Pyramid 2024

Madison County, Idaho Median Age

21.4

Total

22.5

Male

20.3

Female

Madison County, Idaho Adults

There are 42,577 adults, (2,849 of whom are seniors) in Madison County, Idaho.

Madison County, Idaho Age Dependency

34.9

Age Dependency Ratio

7.2

Old Age Dependency Ratio

27.7

Child Dependency Ratio

Madison County, Idaho Sex Ratio

Female29,38554.85%
Male24,19345.15%

Madison County, Idaho Population by Age

Madison County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All12,7783.4540.259.8
Married8,7253.5648.851.2
Non Family3,1732.9516.283.8
Female7114.3138.761.3
Male1693.835545

3.56

Average Family Size

3.45

Average Household Size

40.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Madison County, Idaho Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3581.98%
Associates Degree2,49713.84%
Bachelors Degree5,12128.39%
Graduate Degree2,15211.93%
High School Graduate2,70314.99%
Less Than 9th Grade1770.98%
Some College5,03027.89%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Madison County, Idaho Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White14,91114,6836,220
Hispanic1,6861,550590
Other Race875698154
2+ Races780780308
Asian483478216
Black1911910
Native American13270
Islander56560

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 44.72%.

Madison County, Idaho Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$41,785$54,512$27,846
Graduate Degree$86,803$114,574$52,287
High School Graduate$35,444$37,471$28,738
Less Than 9th Grade$29,989$29,569$40,521
Overall$37,964$50,955$26,220
Some College$27,922$35,503$17,332

$37,964

Average Earnings

$50,955

Average Male

$26,220

Average Female

Madison County, Idaho Earnings by Educational Attainment

Madison County, Idaho Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Madison County, Idaho Language

90.14% of Madison County, Idaho residents speak only English, while 9.86% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.56% of the population.

Madison County, Idaho Language

Madison County, Idaho Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White37,44410,11127%
Hispanic3,9481,11928.34%
Multiple2,61073328.08%
Other1,41033323.62%
Asian66811617.37%
Black4158219.76%
Islander1225141.8%
Native14432.08%

26.84%

Overall Poverty Rate

17.04%

Male Poverty Rate

34.86%

Female Poverty Rate

Poverty in Madison County, Idaho

The race most likely to be in poverty in Madison County, Idaho is Islander, with 41.8% below the poverty level.

The race least likely to be in poverty in Madison County, Idaho is Native, with 2.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 12.11%. Among those working part-time, it was 37.05%, and for those that did not work, the poverty rate was 35.52%.

Madison County, Idaho Poverty

rate

Rate
Poverty
Some College16.01%
Less Than 9th Grade14.88%
High School13.67%
Bachelors or Greater9.36%

Madison County, Idaho Poverty Rate by Education

rate

Rate
Poverty
Female Employed35.18%
Male Unemployed26.37%
Female Unemployed22.95%
Male Employed13.87%

Madison County, Idaho Poverty Rate by Employment Status and Sex

Madison County, Idaho Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$63,442$101,910
Households$58,259$89,770
Married Families$66,367$-999,999,999
Non Families$45,207$45,965

mean

median

Income by Household Type

Madison County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.1%

Overall Marriage Rate

47.6%

Male Marriage Rate

37.8%

Female Marriage Rate

Madison County, Idaho Married by Age and Sex

male

female

Madison County, Idaho Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Madison County, Idaho Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Madison County, Idaho Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

734

Number of Veterans

647

Male Veterans

87

Female Veterans

War
Veterans
Vietnam244
Second Gulf War185
First Gulf War128
Korea59
World War II7

Madison County, Idaho Veterans by War

count

Age Group
Veterans
75+280
65 to 74154
35 to 54146
18 to 3487
55 to 6467

Madison County, Idaho Veterans by Age

count

Name
Veterans
% of Total
White7121.88%
2+ Races221.26%
Hispanic220.57%

Madison County, Idaho Veterans by Race

Madison County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.15%

Veteran Poverty Rate

54.78%

Veteran Disability Rate

Madison County, Idaho Veterans by Education

LaborForceParticipation

68.5%

Labor Force Participation

62.5%

Employment Rate

8.8%

Unemployment Rate

Madison County, Idaho Employment by Age

LaborForceParticipation

Madison County, Idaho Employment by Race

LaborForceParticipation

Madison County, Idaho Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

39.36%

Born in Madison County, Idaho

94.95%

Native Born

5.05%

Foreign Born

3.93%

Non Citizen

1.12%

Naturalized

Place of Birth

94.95% of Madison County, Idaho residents were born in the United States, with 39.36% having been born in Idaho. 3.93% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Madison County, Idaho Place of Birth

Sources