Marshall County Population

1840–2026

38,260

2026 projection

11% since 2020 (increase)

010K20K30K40K1840186018801900192019401960198020002020

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 Marshall County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202638,260+1890.50%
202538,071+1890.50%
202437,882+8342.25%
202337,048+1,1913.32%
202235,857+8072.30%
202135,050+5831.69%
202034,467-400.12%
201934,507+6421.90%
201833,865+7882.38%
201733,077+1,0013.12%

Showing 10 of 33 years.

Marshall County Demographics

39.5median age

Median age

Female40.7 yrs
Male38.2 yrs

Adults

27,607
6,090 seniors (65+) · 22% of adults21,517 other adults

Sex

Female 50.5% · 18,214Male 49.5% · 17,835

Population by age

MaleFemale85+ years, male: 13185+ years, female: 34880–84 years, male: 20780–84 years, female: 36975–79 years, male: 60275–79 years, female: 63970–74 years, male: 80370–74 years, female: 80865–69 years, male: 1,01365–69 years, female: 1,17060–64 years, male: 1,24160–64 years, female: 1,43355–59 years, male: 95855–59 years, female: 1,00050–54 years, male: 1,27050–54 years, female: 1,17645–49 years, male: 1,04945–49 years, female: 1,04240–44 years, male: 1,15040–44 years, female: 1,32035–39 years, male: 1,01735–39 years, female: 1,21630–34 years, male: 1,26730–34 years, female: 1,27725–29 years, male: 1,01525–29 years, female: 1,09220–24 years, male: 87220–24 years, female: 1,06015–19 years, male: 1,58215–19 years, female: 1,02710–14 years, male: 1,37710–14 years, female: 1,0765–9 years, male: 1,2735–9 years, female: 1,1680–4 years, male: 1,0080–4 years, female: 99385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 360 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

Marshall County Income

$71,049median household income

Median household income

$71,049

Half of households earn more, half earn less

Median earnings

$49,057

Typical yearly pay for a worker 25 or older.

Poverty rate

11.8%

About 1 in 8 residents

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

Marshall County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%54%51%
Never married27%31%24%
Divorced12%12%13%
Widowed6%2%10%
Separated2%2%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