Cass County Population

1850–2026

28,616

2026 projection

0.6% since 2020 (increase)

05K10K15K20K25K30K35K186018801900192019401960198020002020

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 Cass County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202628,616-350.12%
202528,651-350.12%
202428,686+490.17%
202328,637+1420.50%
202228,495-700.25%
202128,565+1240.44%
202028,441-1,5615.20%
201930,002-1230.41%
201830,125+1670.56%
201729,958-900.30%

Showing 10 of 32 years.

Cass County Demographics

44.4median age

Median age

Female46.1 yrs
Male42.7 yrs

Adults

22,155
6,432 seniors (65+) · 29% of adults15,723 other adults

Sex

Female 51.2% · 14,629Male 48.8% · 13,939

Population by age

MaleFemale85+ years, male: 18385+ years, female: 48580–84 years, male: 28880–84 years, female: 52575–79 years, male: 72675–79 years, female: 59070–74 years, male: 90870–74 years, female: 85265–69 years, male: 84665–69 years, female: 1,02960–64 years, male: 1,20660–64 years, female: 1,18955–59 years, male: 76555–59 years, female: 89550–54 years, male: 91550–54 years, female: 98245–49 years, male: 72945–49 years, female: 94640–44 years, male: 83640–44 years, female: 62535–39 years, male: 60635–39 years, female: 89730–34 years, male: 91230–34 years, female: 73425–29 years, male: 57125–29 years, female: 99420–24 years, male: 70120–24 years, female: 62015–19 years, male: 98315–19 years, female: 76010–14 years, male: 1,01210–14 years, female: 9575–9 years, male: 9565–9 years, female: 6660–4 years, male: 7960–4 years, female: 88385+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 286 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

Cass County Income

$53,813median household income

Median household income

$53,813

Half of households earn more, half earn less

Median earnings

$43,270

Typical yearly pay for a worker 25 or older.

Poverty rate

17.5%

About 1 in 6 residents

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

Cass County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%53%50%
Never married25%31%21%
Divorced12%10%14%
Widowed8%4%12%
Separated3%3%3%

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