Demographics of Centralia city, Illinois

Centralia city, Illinois had 11,863 people on July 1, 2025, by the Census Bureau’s estimate: −255 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Centralia city, in four figures

11,863
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 11,856 ±176.; −2.1%
Change since July 2020: −255 people.; 39.1 ±1.8
Median age: ACS 2020–⁠2024.; $47,807 ±$2,940
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.

Centralia city, Illinois's population shrank 2.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Centralia 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

Centralia city, Illinois's population shrank 2.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Centralia 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	12,118	100.0	100.0
2021	12,042	99.4	100.2
2022	11,964	98.7	100.7
2023	11,897	98.2	101.6
2024	11,888	98.1	102.5
2025	11,863	97.9	103.1

Population of Centralia city, Illinois on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	12,118	—
2021	12,042	−76
2022	11,964	−78
2023	11,897	−67
2024	11,888	−9
2025	11,863	−25

Age, 2020–2024

The median age is 39.1 ±1.8: for men 38.0 ±3.7 and for women 40.3 ±2.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Centralia city by age, ACS 2020–2024
Age	People	Share	Illinois	United States
Under 5	909 ±168	7.7% ±1.4	5.4% ±<0.1	5.6% ±<0.1
5 to 17	1,982 ±280	16.7% ±2.3	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,002 ±174	8.5% ±1.5	9.1% ±<0.1	9.1% ±<0.1
25 to 44	3,008 ±343	25.4% ±2.9	26.9% ±0.1	26.9% ±<0.1
45 to 64	2,340 ±282	19.7% ±2.4	25.2% ±0.1	24.8% ±<0.1
65 and over	2,615 ±266	22.1% ±2.2	17.0% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $47,807 ±$2,940, and income per person $26,963 ±$1,759, in 2024 dollars. The median is $83,390 ±$362 in Illinois and $80,734 ±$166 in the United States.

Households by income

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Households in Centralia city by income, ACS 2020–2024
Household income	Households	Share	Illinois	United States
Under $25,000	1,363 ±227	26.8% ±4.3	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	1,334 ±237	26.2% ±4.5	16.0% ±0.2	16.7% ±<0.1
$50,000 to $74,999	768 ±172	15.1% ±3.3	14.8% ±0.1	15.5% ±<0.1
$75,000 to $99,999	736 ±164	14.4% ±3.1	12.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	556 ±145	10.9% ±2.8	18.0% ±0.2	17.5% ±<0.1
$150,000 to $199,999	209 ±84	4.1% ±1.6	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	61 to 195	1.2% to 3.8%	13.8% ±0.1	13.4% ±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%.

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).

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Poverty rate in Centralia city by age, ACS 2020–2024
Age	Below poverty	Rate	Illinois	United States
All ages	2,756 ±493	24.3% ±4.3	11.8% ±0.1	12.5% ±0.1
Under 18	793 ±244	28.2% ±7.6	15.1% ±0.2	16.1% ±0.1
18 to 59	1,485 ±287	27.7% ±4.8	11.0% ±0.1	11.6% ±0.1
60 and over	478 ±142	15.2% ±4.2	10.6% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Centralia city, ACS 2020–2024
Measure	Centralia city	Illinois	United States
Housing units	5,713 ±244	5,457,452 ±471	143,775,355 ±10,234
Occupied	89.2% ±2.2	92.3% ±0.1	89.9% ±0.1
Vacant	10.8% ±3.0	7.7% ±0.1	10.1% ±0.1
Owner occupied	62.5% ±3.6	67.1% ±0.3	65.2% ±0.3
Renter occupied	37.5% ±4.0	32.9% ±0.2	34.8% ±0.1
Median home value	$89,600 ±$10,572	$263,300 ±$797	$332,700 ±$236
Median gross rent	$765 ±$99	$1,274 ±$5	$1,413 ±$2
Median year built	1965 ±2	1971 ±2	1980 ±1

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

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People in Centralia city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Illinois	United States
Hispanic or Latino	466 ±121	3.9% ±1.0	18.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	9,562 ±317	80.7% ±2.4	58.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	820 ±168	6.9% ±1.4	13.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	194 ±82	1.6% ±0.7	5.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 10	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	10 to 216	0.1% to 1.8%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	697 ±220	5.9% ±1.9	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).

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People in Centralia city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Illinois	United States
Born in the state	9,277 ±433	78.2% ±3.5	66.5% ±0.1	57.3% ±<0.1
Born in another state	2,127 ±357	17.9% ±3.0	17.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 127	0% to 1.1%	1.3% ±<0.1	1.7% ±<0.1
Born abroad	398 ±131	3.4% ±1.1	14.7% ±0.1	14.1% ±<0.1
Naturalized citizens	196 ±77	1.7% ±0.6	7.7% ±0.1	7.4% ±<0.1
Not citizens	202 ±97	1.7% ±0.8	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%.

Centralia city among the places of Illinois

201st 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 Centralia city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Herrin city	12,226 ±71
Plano city	12,203 ±722
Palos Heights city	12,152 ±29
River Forest village	11,992 ±46
Kewanee city	11,913 ±445
Centralia city	11,856 ±176
Troy city	11,647 ±162
Schiller Park village	11,393 ±27
Markham city	11,355 ±28
Pontiac city	11,294 ±294
Burr Ridge village	11,141 ±36

Rankings this appears in

No. 3 Places in Illinois by poverty rate
No. 63 Places in Illinois by median age
No. 186 Places in Illinois by homeownership rate
No. 197 Places in Illinois by foreign-born share
No. 212 Places in Illinois by Hispanic or Latino share
No. 253 Places in Illinois by median rent

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