Macoupin County Population

1830–2026

43,579

2026 projection

3% since 2020 (decrease)

010K20K30K40K50K60K1850190019502000

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 Macoupin County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202643,579-1690.39%
202543,748-1690.38%
202443,917-1400.32%
202344,057-1280.29%
202244,185-4360.98%
202144,621-3080.69%
202044,929-1500.33%
201945,079-2630.58%
201845,342-1790.39%
201745,521-1870.41%

Showing 10 of 34 years.

Macoupin County Demographics

44.2median age

Median age

Female45.4 yrs
Male42.4 yrs

Adults

35,214
9,566 seniors (65+) · 27% of adults25,648 other adults

Sex

Female 50.6% · 22,426Male 49.4% · 21,924

Population by age

MaleFemale85+ years, male: 42085+ years, female: 90780–84 years, male: 42980–84 years, female: 52675–79 years, male: 71775–79 years, female: 88970–74 years, male: 1,08370–74 years, female: 1,29365–69 years, male: 1,68965–69 years, female: 1,61360–64 years, male: 1,78760–64 years, female: 1,55055–59 years, male: 1,49755–59 years, female: 1,83750–54 years, male: 1,41350–54 years, female: 1,37045–49 years, male: 1,31645–49 years, female: 1,29840–44 years, male: 1,42040–44 years, female: 1,47335–39 years, male: 1,23435–39 years, female: 1,23030–34 years, male: 1,19130–34 years, female: 1,27025–29 years, male: 1,23225–29 years, female: 1,12220–24 years, male: 1,22320–24 years, female: 1,19515–19 years, male: 1,42815–19 years, female: 1,28810–14 years, male: 1,47810–14 years, female: 1,1505–9 years, male: 1,2135–9 years, female: 1,3740–4 years, male: 1,1540–4 years, female: 1,04185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 444 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

Macoupin County Income

$70,805median household income

Median household income

$70,805

Half of households earn more, half earn less

Median earnings

$50,512

Typical yearly pay for a worker 25 or older.

Poverty rate

13.1%

About 1 in 8 residents

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

Macoupin County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%51%49%
Never married28%31%24%
Divorced14%14%15%
Widowed7%3%11%
Separated1%<1%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year