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

28 Rows

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)
White46,75489.08%
Two or more races2,6985.14%
Other race1,3762.62%
Asian9491.81%
Black or African American4870.93%
Native American1580.3%
Native Hawaiian or Pacific Islander650.12%

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Madison County, Idaho Population by Race

Madison County, Idaho Population Pyramid 2024

Madison County, Idaho Median Age

21.6

Total

22.9

Male

20.4

Female

Madison County, Idaho Adults

There are 41,805 adults, (2,881 of whom are seniors) in Madison County, Idaho.

Madison County, Idaho Age Dependency

34.8

Age Dependency Ratio

7.4

Old Age Dependency Ratio

27.4

Child Dependency Ratio

Madison County, Idaho Sex Ratio

Female28,71854.71%
Male23,76945.29%

Madison County, Idaho Population by Age

Madison County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All11,9793.874060
Married8,3583.7448.551.5
Non Family2,9133.951585
Female5975.1537.762.3
Male1114.7669.430.6

3.76

Average Family Size

3.87

Average Household Size

40.0%

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 Grade3822.18%
Associates Degree2,37213.52%
Bachelors Degree4,84527.62%
Graduate Degree2,00611.43%
High School Graduate2,93416.72%
Less Than 9th Grade730.42%
Some College4,93128.11%

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
White14,81314,5785,988
Hispanic1,3331,233482
2+ Races668649201
Asian595576219
Other Race547509138
Black2082080
Native American137330
Islander49490

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

The highest rate of bachelors degrees is among white people with a rate of 40.42%.

Madison County, Idaho Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$36,672$48,346$23,535
Graduate Degree$84,877$112,031$49,567
High School Graduate$30,429$33,859$28,259
Less Than 9th Grade$28,832$28,723$33,125
Overall$33,324$42,816$23,524
Some College$23,834$28,995$16,012

$33,324

Average Earnings

$42,816

Average Male

$23,524

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

89.82% of Madison County, Idaho residents speak only English, while 10.18% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.53% of the population.

Madison County, Idaho Language

Madison County, Idaho Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White40,04912,08930.19%
Hispanic3,4681,25536.19%
Multiple2,31268329.54%
Other1,09943939.95%
Asian94918119.07%
Black46613328.54%
Islander652335.38%
Native14432.08%

30.11%

Overall Poverty Rate

19.94%

Male Poverty Rate

38.42%

Female Poverty Rate

Poverty in Madison County, Idaho

The race most likely to be in poverty in Madison County, Idaho is Other, with 39.95% 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 12.61%. Among those working part-time, it was 41.42%, and for those that did not work, the poverty rate was 35.84%.

Madison County, Idaho Poverty

rate

Rate
Poverty
Some College15.86%
High School13.12%
Bachelors or Greater11.88%
Less Than 9th Grade11.16%

Madison County, Idaho Poverty Rate by Education

rate

Rate
Poverty
Female Employed38.7%
Female Unemployed35.28%
Male Unemployed24.46%
Male Employed18.09%

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$59,091$95,927
Households$53,025$84,274
Married Families$61,564$-999,999,999
Non Families$38,328$41,097

mean

median

Income by Household Type

Madison County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

41.6%

Overall Marriage Rate

48.9%

Male Marriage Rate

35.9%

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

784

Number of Veterans

693

Male Veterans

91

Female Veterans

War
Veterans
Vietnam330
Second Gulf War178
Korea101
First Gulf War89
World War II8

Madison County, Idaho Veterans by War

count

Age Group
Veterans
75+257
65 to 74240
18 to 34127
35 to 54102
55 to 6458

Madison County, Idaho Veterans by Age

count

Name
Veterans
% of Total
White7490.020028880094127715
2+ Races350.02262443438914027

Madison County, Idaho Veterans by Race

Madison County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.95%

Veteran Poverty Rate

42.8%

Veteran Disability Rate

Madison County, Idaho Veterans by Education

LaborForceParticipation

67.3%

Labor Force Participation

61.8%

Employment Rate

8.1%

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

39.58%

Born in Madison County, Idaho

95.92%

Native Born

4.08%

Foreign Born

2.82%

Non Citizen

1.26%

Naturalized

Place of Birth

95.92% of Madison County, Idaho residents were born in the United States, with 39.58% having been born in Idaho. 2.82% 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