Madison County Population

1830–2026

18,874

2026 projection

5.7% since 2020 (increase)

05K10K15K20K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Madison County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202618,874+1150.61%
202518,759+1150.62%
202418,644+990.53%
202318,545+3371.85%
202218,208+1330.74%
202118,075+2121.19%
202017,863-7363.96%
201918,599-240.13%
201818,623+1110.60%
201718,512+1700.93%

Showing 10 of 34 years.

Madison County Demographics

44.8median age

Median age

Female46.9 yrs
Male41.9 yrs

Adults

14,893
4,143 seniors (65+) · 28% of adults10,750 other adults

Sex

Female 48.3% · 8,746Male 51.7% · 9,343

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 181 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Madison County Income

$48,485median household income

Median household income

$48,485

Half of households earn more, half earn less

Median earnings

$36,439

Typical yearly pay for a worker 25 or older.

Poverty rate

21%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Madison County Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%40%43%
Never married33%36%29%
Divorced15%18%12%
Widowed9%4%14%
Separated2%3%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201