Jennings County Population

1820–2026

27,520

2026 projection

0.2% since 2020 (decrease)

05K10K15K20K25K30K1850190019502000

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 Jennings County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202627,520-1020.37%
202527,622-1020.37%
202427,724+940.34%
202327,630+1630.59%
202227,467-430.16%
202127,510-770.28%
202027,587-750.27%
201927,662+120.04%
201827,650-360.13%
201727,686+40.01%

Showing 10 of 35 years.

Jennings County Demographics

40.3median age

Median age

Female40.1 yrs
Male40.4 yrs

Adults

21,185
4,818 seniors (65+) · 23% of adults16,367 other adults

Sex

Female 49.1% · 13,537Male 50.9% · 14,025

Population by age

MaleFemale85+ years, male: 14385+ years, female: 30280–84 years, male: 24580–84 years, female: 24875–79 years, male: 51775–79 years, female: 52170–74 years, male: 55770–74 years, female: 66865–69 years, male: 83865–69 years, female: 77960–64 years, male: 88960–64 years, female: 92255–59 years, male: 1,10755–59 years, female: 91950–54 years, male: 98850–54 years, female: 94045–49 years, male: 86045–49 years, female: 83940–44 years, male: 94640–44 years, female: 66835–39 years, male: 73035–39 years, female: 93230–34 years, male: 85730–34 years, female: 87125–29 years, male: 91925–29 years, female: 90320–24 years, male: 81020–24 years, female: 72715–19 years, male: 87715–19 years, female: 86110–14 years, male: 1,08010–14 years, female: 8815–9 years, male: 8905–9 years, female: 7890–4 years, male: 7720–4 years, female: 76785+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 276 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

Jennings County Income

$69,322median household income

Median household income

$69,322

Half of households earn more, half earn less

Median earnings

$44,154

Typical yearly pay for a worker 25 or older.

Poverty rate

12.6%

About 1 in 8 residents

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

Jennings 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%51%
Never married26%29%24%
Divorced15%15%16%
Widowed6%2%9%
Separated1%2%<1%

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