Demographics of Belvidere city, Illinois

Belvidere city, Illinois had 25,462 people on July 1, 2025, by the Census Bureau’s estimate: +188 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Belvidere city, in four figures

25,462
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 24,752 ±563.; +0.7%
Change since July 2020: +188 people.; 38.7 ±2.0
Median age: ACS 2020–⁠2024.; $64,528 ±$8,521
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Belvidere city, Illinois's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Belvidere city, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Belvidere city, Illinois's population grew 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Belvidere city, Illinois's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	25,274	100.0	100.0
2021	25,161	99.6	100.2
2022	25,142	99.5	100.7
2023	25,365	100.4	101.6
2024	25,428	100.6	102.5
2025	25,462	100.7	103.1

Population of Belvidere city, Illinois on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	25,274	—
2021	25,161	−113
2022	25,142	−19
2023	25,365	+223
2024	25,428	+63
2025	25,462	+34

Age, 2020–2024

The median age is 38.7 ±2.0: for men 37.5 ±2.0 and for women 39.6 ±2.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Belvidere city by age, ACS 2020–2024
Age	People	Share	Illinois	United States
Under 5	1,238 ±222	5.0% ±0.9	5.4% ±<0.1	5.6% ±<0.1
5 to 17	4,526 ±532	18.3% ±2.1	16.4% ±0.1	16.3% ±<0.1
18 to 24	2,501 ±441	10.1% ±1.8	9.1% ±<0.1	9.1% ±<0.1
25 to 44	5,940 ±558	24.0% ±2.2	26.9% ±0.1	26.9% ±<0.1
45 to 64	6,518 ±578	26.3% ±2.3	25.2% ±0.1	24.8% ±<0.1
65 and over	4,029 ±490	16.3% ±1.9	17.0% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $64,528 ±$8,521, and income per person $32,460 ±$2,619, in 2024 dollars. The median is $83,390 ±$362 in Illinois and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Belvidere city by income, ACS 2020–2024
Household income	Households	Share	Illinois	United States
Under $25,000	1,522 ±342	15.9% ±3.5	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	2,180 ±434	22.7% ±4.4	16.0% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,660 ±339	17.3% ±3.5	14.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	1,530 ±366	16.0% ±3.8	12.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,408 ±399	14.7% ±4.1	18.0% ±0.2	17.5% ±<0.1
$150,000 to $199,999	685 ±254	7.1% ±2.6	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	604 ±255	6.3% ±2.6	13.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Belvidere city by age, ACS 2020–2024
Age	Below poverty	Rate	Illinois	United States
All ages	3,550 ±837	14.6% ±3.4	11.8% ±0.1	12.5% ±0.1
Under 18	1,412 ±373	25.8% ±6.1	15.1% ±0.2	16.1% ±0.1
18 to 59	1,490 ±453	11.1% ±3.3	11.0% ±0.1	11.6% ±0.1
60 and over	648 ±241	12.2% ±4.3	10.6% ±0.1	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Belvidere city, ACS 2020–2024
Measure	Belvidere city	Illinois	United States
Housing units	9,994 ±353	5,457,452 ±471	143,775,355 ±10,234
Occupied	95.9% ±1.3	92.3% ±0.1	89.9% ±0.1
Vacant	1.9% to 6.2%	7.7% ±0.1	10.1% ±0.1
Owner occupied	70.9% ±4.4	67.1% ±0.3	65.2% ±0.3
Renter occupied	29.1% ±3.8	32.9% ±0.2	34.8% ±0.1
Median home value	$158,900 ±$12,360	$263,300 ±$797	$332,700 ±$236
Median gross rent	$991 ±$68	$1,274 ±$5	$1,413 ±$2
Median year built	1976 ±3	1971 ±2	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Belvidere city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Illinois	United States
Hispanic or Latino	8,729 ±766	35.3% ±3.0	18.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	14,428 ±962	58.3% ±3.7	58.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	366 to 1,188	1.5% to 4.8%	13.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	69 to 477	0.3% to 1.9%	5.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 24	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 24	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 169	0% to 0.7%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	468 ±206	1.9% ±0.8	3.4% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Belvidere city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Illinois	United States
Born in the state	16,743 ±1,020	67.6% ±3.8	66.5% ±0.1	57.3% ±<0.1
Born in another state	4,106 ±613	16.6% ±2.4	17.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 68	0% to 0.3%	1.3% ±<0.1	1.7% ±<0.1
Born abroad	3,871 ±710	15.6% ±2.8	14.7% ±0.1	14.1% ±<0.1
Naturalized citizens	1,809 ±472	7.3% ±1.9	7.7% ±0.1	7.4% ±<0.1
Not citizens	2,062 ±553	8.3% ±2.2	7.0% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Belvidere city among the places of Illinois

88th of 337 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Illinois page.

Places of Illinois near Belvidere city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Edwardsville city	26,474 ±291
Lockport city	26,409 ±45
Woodstock city	26,147 ±365
West Chicago city	25,395 ±51
Alton city	25,279 ±33
Belvidere city	24,752 ±563
Morton Grove village	24,619 ±45
Zion city	24,600 ±39
Melrose Park village	24,549 ±637
Homer Glen village	24,529 ±78
South Elgin village	24,217 ±56

Elsewhere on the site

Reported crime in Belvidere city, Illinois

Rankings this appears in

No. 23 Places in Illinois by poverty rate
No. 26 Places in Illinois by Hispanic or Latino share
No. 65 Places in Illinois by median age
No. 70 Places in Illinois by foreign-born share
No. 112 Places in Illinois by homeownership rate
No. 177 Places in Illinois by median household income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026