Madison County, ID demographics:
population, income, and more

Total population
54,618
1.9% year-over-year change
Median household income
$60,160/yr
3.3% year-over-year change
Housing units
15,145
2.5% year-over-year change

Madison County population

How many people live in Madison County

Madison County is home to 54,618 residents, according to the most recent Census data. Gender-wise, 45.3% of Madison County locals are male, and 54.7% are female.

Total population
54,618
1.9% year-over-year change
Gender ratio
Male
45.3%
24,724
Female
54.7%
29,894
Value Percent YoY change
Male 24,724 45.3% 2.2%
Female 29,894 54.7% 1.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Madison County is 21, with the population distributed as follows: about 16.5% are children under 15, then 49.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.3% of the population, while another 9% fall into the 45 to 64 bracket. Finally, around 5.4% are 65 or older.

Median age
21.4
Age breakdown
Under 15
16.5%
15 to 24
49.8%
25 to 44
19.3%
45 to 64
9%
Over 65
5.4%
Value Percent YoY change
Under 15 9,004 16.5% -0.5%
15 to 24 27,197 49.8% 2.7%
25 to 44 10,551 19.3% 2.0%
45 to 64 4,921 9% 1.6%
Over 65 2,945 5.4% 3.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Madison County, 94.2% of the population are US-born citizens, while 1.4% have gained naturalized citizenship. At the same time, 4.3% of residents are non-citizens. As for race, 87.1% of locals are Caucasian, 1% are African American and 1.5% have Asian roots. Another 0.2% are Indigenous American, 0.3% are Pacific Islanders, while 3.7% identify as another race. There’s also a share of 6.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.2%
Non-U.S.-born citizens
1.4%
Non-citizens
4.3%
Value Percent YoY change
U.S.-born citizens 51,480 94.2% 1.8%
Non-U.S.-born citizens 768 1.4% -14.5%
Non-citizens 2,370 4.3% 12.5%
Racial breakdown
White
87.1%
Black or African American
1%
American Indian and Alaska Native
0.2%
Asian
1.5%
Native Hawaiian and other Pacific Islander
0.3%
Two or more races
6.2%
Other
3.7%
Value Percent
White 47,573 87.1%
Black or African American 555 1%
American Indian and Alaska Native 134 0.2%
Asian 816 1.5%
Native Hawaiian and other Pacific Islander 157 0.3%
Two or more races 3,373 6.2%
Other 2,010 3.7%

Households in Madison County

A peek inside Madison County households

Madison County has 13,326 households, with an average of 3 members in each. Of these, 74.4% are families, while the remaining 25.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
13,326
4.3% year-over-year change
Average people per household
3
Non-family households
3,415
Family households
9,911
Value Percent YoY change
Non-family households 3,415 25.6% 7.6%
Family households 9,911 74.4% 3.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Madison County

The housing landscape of Madison County

Madison County's housing consists of 15,145 units, with 39.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.2% of the housing landscape.

Housing units
15,145
2.5% year-over-year change
Housing types
Value Percent
1 unit, detached 5,967 39.4%
1 unit, attached 620 4.1%
2 units 453 3%
3 or 4 units 1,304 8.6%
5 to 9 units 888 5.9%
10 to 19 units 1,836 12.1%
20 to 49 units 1,271 8.4%
50 or more units 2,164 14.3%
Mobile home 642 4.2%
Homes built since 2020
564
62.5% year-over-year change

The age of buildings in Madison County

In Madison County, the median construction year is 2002. About 3.4% of homes were built before the 1940s, with another 0.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 24.7% of homes were added from 2000 to 2009, 27.3% between 2010 and 2019, and 3.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 518 3.4% 7.5%
Built between 1940 and 1949 121 0.8% 8.0%
Built between 1950 and 1959 512 3.4% -9.4%
Built between 1960 and 1969 969 6.4% 25.8%
Built between 1970 and 1979 2,063 13.6% 5.7%
Built between 1980 and 1989 1,115 7.4% -3.1%
Built between 1990 and 1999 1,402 9.3% -15.6%
Built between 2000 and 2009 3,744 24.7% 12.9%
Built between 2010 and 2019 4,137 27.3% -6.2%
Built in 2020 or later 564 3.7% 62.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Madison County occupancy rates

Out of the 13,326 occupied housing units in Madison County, 40.2% are owner-occupied, while 59.8% are lived in by tenants. Meanwhile, 12% of all homes on the local market sit vacant.

Occupied housing units
13,326
4.3% year-over-year change
Occupancy breakdown
Renter occupied
7,963
Owner occupied
5,363
Value Percent YoY
change
Renter occupied 7,963 59.8% 4.3%
Owner occupied 5,363 40.2% 4.3%
Unoccupied housing units
12.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Madison County housing costs

Housing costs in Madison County come to a median of $1,033 per month, while tenants specifically pay a median gross rent of $1,014.

Median housing costs per month
$1,033/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Madison County
$1,014/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Madison County

Madison County education at a glance

About 27.4% of the population in Madison County went to high school, while 42.4% pursued college studies. Another 10.5% earned an associate degree and 13.5% hold a bachelor’s. Meanwhile, 5.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 335 0.8% 22.3%
High school diploma 11,947 27.4% -1.4%
College diploma 18,469 42.4% 1.2%
Associate degree 4,556 10.5% 11.7%
Bachelor's degree 5,874 13.5% 3.3%
Graduate degree 2,383 5.5% 9.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Madison County

How much people earn in Madison County

The average annual household income in Madison County was $90,919 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.3% change from the previous year. At the same time, the median income stood at $60,160, reflecting a +3.3% shift over the same period.

Average household income in Madison County
$90,919/year
1.3% year-over-year change
Median household income in Madison County
$60,160/year
3.3% year-over-year change

Madison County income by age

In Madison County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $64,104. Those with someone between 45 and 64 in charge, often well established professionally, earn $109,500 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $47,560, while those led by someone over 65, many of whom may be retired, have about $73,306 in earnings. Overall, 75.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $47,560 25.7%
25 - 44 $64,104 2.6%
45 - 64 $109,500 -2.0%
Over 65 $73,306 8.1%
Above poverty level
31,993
Below poverty level
10,269
Value Percent YoY
change
Above poverty level 31,993 75.7% 1.1%
Below poverty level 10,269 24.3% -11.5%

Employment in Madison County

Workforce and job types in Madison County

The job market in Madison County is powered by 28,300 working residents, spread across a range of industries and roles. 83.7% of the working population are employed in professional or administrative positions, while 16.3% are in hands-on or service-based jobs. Also, 7.9% run their own businesses, 63.5% are employed by private companies, and 17.5% work in the public sector.

Workforce demographics

Working population
28,300
3.0% year-over-year change
White collar
23,679
Blue collar
4,621
Value Percent YoY change
White collar 23,679 83.7% 2.2%
Blue collar 4,621 16.3% 7.4%
Employer type
Self employees
7.9%
Private companies
63.5%
Governmental workers
17.5%
Not for profit companies
11.1%
Value Percent YoY change
Self employees 2,244 7.9% -1.6%
Private companies 17,961 63.5% 2.6%
Governmental workers 4,955 17.5% 7.5%
Not for profit companies 3,140 11.1% 2.0%
Unemployment rate
8.3%
-3.4% year-over-year change

Available workforce

The unemployment rate in Madison County stands at 8.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Madison County

How people get around in Madison County

Commuting methods vary: 70.5% of residents travel by personal vehicle and 13.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 19,544 70.5% -1.9%
Bus or trolleybus 241 0.9% -5.9%
Ferryboat 24 0.1% -25.0%
Motorcycle 15 0% 87.5%
Bicycle 243 0.9% 4.7%
Walk 3,859 13.9% 17.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Madison County by zipcode?

Zipcode Population Number of households Median income Average income
83434 1,816 613 $82,731 $96,636
83436 778 214 $80,000 $102,108
83440 51,421 12,426 $58,159 $90,774
83448 3,365 944 $76,000 $94,680
83451 993 349 $67,946 $86,063
83460 56 0 $0 $0

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FAQs about Madison County demographics 

What is the total population of Madison County?

Madison County has a total population of 54,618 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.9% compared to a year ago.

What is the gender ratio in Madison County?

The gender ratio in Madison County is as follows:
  • 45.3% males (24,724 residents)
  • 54.7% females (29,894 residents)

What is the median age in Madison County?

The median age in Madison County is 21.4.

What is the age distribution of the population in Madison County?

The age distribution in Madison County is as follows:
  • Under 15: 16.5% (9,004 residents)
  • Ages 15-24: 49.8% (27,197 residents)
  • Ages 25-44: 19.3% (10,551 residents)
  • Ages 45-64: 9% (4,921 residents)
  • Over 65: 5.4% (2,945 residents)

What is the racial and ethnic makeup of Madison County?

The racial and ethnic makeup of Madison County is as follows:
  • White: 87.1% (47,573 residents)
  • Black or African American: 1% (555 residents)
  • American Indian and Alaska Native: 0.2% (134 residents)
  • Asian: 1.5% (816 residents)
  • Native Hawaiian and Other Pacific Islander: 0.3% (157 residents)
  • Two or More Races: 6.2% (3,373 residents)
  • Other: 3.7% (2,010 residents)

What percentage of the population in Madison County are U.S.-born citizens?

U.S.-born citizens represent 94.2% of the population in Madison County.

How many housing units are there in Madison County?

There are 15,145 housing units in Madison County, reflecting a +2.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Madison County and what is the average household size?

Madison County has a total of 13,326 households, with an average of 3 people in each.

What is the median household income in Madison County?

Madison County has a median household income of $60,160, representing a +3.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Madison County?

The employment rate is 91.7% in Madison County, with a workforce of 28,300 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.7% (23,679 residents)
  • Blue-collar workers: 16.3% (4,621 residents)

Places of employment:
  • Self-employed: 7.9% (2,244 residents)
  • Private companies: 63.5% (17,961 residents)
  • Governmental workers: 17.5% (4,955 residents)
  • Not-for-profit companies: 11.1% (3,140 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025