Whiteside County Population

1840–2026

53,819

2026 projection

3.1% since 2020 (decrease)

010K20K30K40K50K60K70K1840186018801900192019401960198020002020

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 Whiteside County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202653,819-3020.56%
202554,121-3020.55%
202454,423-570.10%
202354,480-720.13%
202254,552-7471.35%
202155,299-2560.46%
202055,555+3400.62%
201955,215-3170.57%
201855,532-4770.85%
201756,009-4960.88%

Showing 10 of 33 years.

Whiteside County Demographics

43median age

Median age

Female44.5 yrs
Male41.5 yrs

Adults

42,882
11,967 seniors (65+) · 28% of adults30,915 other adults

Sex

Female 50.1% · 27,532Male 49.9% · 27,415

Population by age

MaleFemale85+ years, male: 60585+ years, female: 87780–84 years, male: 61280–84 years, female: 88675–79 years, male: 94575–79 years, female: 1,14670–74 years, male: 1,61970–74 years, female: 1,78965–69 years, male: 1,75665–69 years, female: 1,73260–64 years, male: 2,07360–64 years, female: 2,10455–59 years, male: 1,72355–59 years, female: 1,83850–54 years, male: 1,73850–54 years, female: 1,68145–49 years, male: 1,68045–49 years, female: 1,58540–44 years, male: 1,32540–44 years, female: 1,48035–39 years, male: 1,74535–39 years, female: 1,60130–34 years, male: 1,65730–34 years, female: 1,52925–29 years, male: 1,49925–29 years, female: 1,44820–24 years, male: 1,69320–24 years, female: 1,41015–19 years, male: 1,64815–19 years, female: 1,62710–14 years, male: 1,71310–14 years, female: 1,6115–9 years, male: 1,8025–9 years, female: 1,7620–4 years, male: 1,5820–4 years, female: 1,42685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

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 549 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

Whiteside County Income

$67,500median household income

Median household income

$67,500

Half of households earn more, half earn less

Median earnings

$46,426

Typical yearly pay for a worker 25 or older.

Poverty rate

12%

About 1 in 8 residents

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

Whiteside County Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%49%48%
Never married31%35%26%
Divorced13%11%14%
Widowed8%4%11%
Separated1%<1%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