Belvidere Population

1850–2026

25,500

2026 projection

0.9% since 2020 (increase)

05K10K15K20K25K30K186018801900192019401960198020002020

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 Belvidere. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,500+380.15%
202525,462+340.13%
202425,428+630.25%
202325,365+2230.89%
202225,142-190.08%
202125,161-1130.45%
202025,274+2601.04%
201925,014-830.33%
201825,097-700.28%
201725,167-450.18%

Showing 10 of 33 years.

Belvidere Demographics

38.7median age

Median age

Female39.6 yrs
Male37.5 yrs

Adults

18,988
4,029 seniors · 21%14,959 other adults

Sex

Female 49.6% · 12,272Male 50.4% · 12,480

Population by age

MaleFemale85+ years, male: 15085+ years, female: 22580–84 years, male: 20380–84 years, female: 30575–79 years, male: 27075–79 years, female: 37870–74 years, male: 41170–74 years, female: 44865–69 years, male: 84765–69 years, female: 79260–64 years, male: 76360–64 years, female: 69455–59 years, male: 84855–59 years, female: 69550–54 years, male: 87050–54 years, female: 1,02845–49 years, male: 86945–49 years, female: 75140–44 years, male: 70340–44 years, female: 73935–39 years, male: 68135–39 years, female: 92530–34 years, male: 63730–34 years, female: 75825–29 years, male: 82825–29 years, female: 66920–24 years, male: 84220–24 years, female: 94415–19 years, male: 1,00515–19 years, female: 87710–14 years, male: 1,00510–14 years, female: 7445–9 years, male: 9975–9 years, female: 6130–4 years, male: 5510–4 years, female: 68785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–4500500

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 248 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

Belvidere Income

$64,528median household income

Median household income

$64,528

Half of households earn more, half earn less

Median earnings

$40,258

Typical yearly pay for a worker 25 or older.

Poverty rate

14.6%

About 1 in 7 residents

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

Belvidere Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%44%39%
Never married38%43%33%
Divorced14%11%17%
Widowed6%3%9%
Separated1%<1%2%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year