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CITY · 2000 CENSUS

Assumption

Illinois · 1,261 residents · 0.99 sq mi
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The short version

Assumption has lower-than-average household income, with a median household income of $34,474. Population has held roughly steady since 1990. 11% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $46,400. Households here earn about 26% less than the Illinois median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 38.5
US median: 35.2
Less educated
11% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

1,261
+1%since 1990
from 1,244 in 1990
1990 – 2025
1,274 / sq mi
+1%since 1990
from 1,257 / sq mi in 1990
US average: 242
38.5
+2%since 1990
from 37.8 in 1990
US average: 35.2
Population, 19902024
9891K1K1K1K1990201020202024Assumption
20241K
1990201020202024
Section 02

Income & economy

$34,474
+18%inflation adjusted, since 1990
from $22,232 in 1990
US average: $42,589
1990 – 2024
$16,421
+51%since 1990
from $10,867 in 1990
US average: $21,522
9.5%
−0.3 ptssince 1990
from 9.8% in 1990
US average: 12.4%
Section 03

Housing

$46,400
+10%inflation adjusted, since 1990
from $32,000 in 1990
US average: $120,530
1990 – 2024
$384
+8%inflation adjusted, since 1990
from $270 in 1990
US average: $602
77.3%
+1.6 ptssince 1990
from 75.7% in 1990
22.7% rent
1.3
−6%since 1990
from 1.4 in 1990
1990 – 2024
RELATED:See current rent listings in Assumption on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic100%(1,244)
Black0%(0)
Hispanic / Latino0.7%(9)
Asian0%(0)
Diversity Score1.8%(22)
2000
White, non-Hispanic99.7%(1,257)
Black0%(0)
Hispanic / Latino0.2%(2)
Asian0.1%(1)
Diversity Score0.6%(7)
1
−67%since 1990
from 2 in 1990
1990 – 2024
Section 05

Education

11.3%
+2.7 ptssince 1990
from 8.6% in 1990
US average: 24.4%
High school or higher
84.6%
+17.3 ptssince 1990
from 67.3% in 1990
US average: 80.3%
3.5%
+0.6 ptssince 1990
from 3.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

19.0 min
−19%since 1990
from 23.3 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Assumption, Illinois?

Assumption, Illinois has about 1,261 residents according to the 2000 Census.

What is the median household income in Assumption, Illinois?

The typical household in Assumption, Illinois earns about $34,474 a year. Half of households make more than that, and half make less.

Is Assumption, Illinois expensive?

In Assumption, Illinois, the median home is worth about $46,400, and the typical rent is about $384 a month.

How educated are people in Assumption, Illinois?

About 11.3% of adults age 25 and over in Assumption, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Assumption, Illinois?

About 9.5% of people in Assumption, Illinois live below the federal poverty line.

Has Assumption, Illinois grown since 1990?

Yes, Assumption, Illinois has grown since 1990. The population has added about 17 residents, a change of about 1 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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