Mississippi County Population

1840–2026

37,482

2026 projection

7.5% since 2020 (decrease)

020K40K60K80K100K1840186018801900192019401960198020002020

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 Mississippi County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202637,482-3460.91%
202537,828-3460.91%
202438,174-4641.20%
202338,638-1690.44%
202238,807-7041.78%
202139,511-1,0242.53%
202040,535-1820.45%
201940,717-5221.27%
201841,239-8542.03%
201742,093-7701.80%

Showing 10 of 33 years.

Mississippi County Demographics

37.3median age

Median age

Female39 yrs
Male34.8 yrs

Adults

29,000
6,085 seniors (65+) · 21% of adults22,915 other adults

Sex

Female 50.7% · 19,820Male 49.3% · 19,306

Population by age

MaleFemale85+ years, male: 13085+ years, female: 48480–84 years, male: 22180–84 years, female: 28775–79 years, male: 54275–79 years, female: 59770–74 years, male: 63270–74 years, female: 74365–69 years, male: 1,16065–69 years, female: 1,28960–64 years, male: 1,23360–64 years, female: 1,31155–59 years, male: 1,21855–59 years, female: 1,30750–54 years, male: 1,01850–54 years, female: 1,13245–49 years, male: 1,10345–49 years, female: 1,23940–44 years, male: 1,30040–44 years, female: 1,31135–39 years, male: 1,03035–39 years, female: 1,45730–34 years, male: 1,28830–34 years, female: 95025–29 years, male: 1,27625–29 years, female: 1,34920–24 years, male: 1,34920–24 years, female: 1,26715–19 years, male: 1,48315–19 years, female: 1,09110–14 years, male: 1,42110–14 years, female: 1,1525–9 years, male: 1,5435–9 years, female: 1,5510–4 years, male: 1,3590–4 years, female: 1,30385+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 391 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

Mississippi County Income

$52,548median household income

Median household income

$52,548

Half of households earn more, half earn less

Median earnings

$39,667

Typical yearly pay for a worker 25 or older.

Poverty rate

21.1%

About 1 in 5 residents

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

Mississippi County Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%45%43%
Never married32%34%30%
Divorced13%14%13%
Widowed8%5%11%
Separated3%3%3%

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