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CITY · 2000 CENSUS

Old Mill Creek

Illinois · 251 residents · 10.664 sq mi
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The short version

Old Mill Creek is significantly wealthier than the US average, with a median household income of $82,426. The city has more than doubled in size since 1990, adding 168 residents. 44% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has risen by half since 1990, reaching $278,800. Poverty is rare here, at 2.7% of residents. Households here earn about 77% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 37.4
US median: 35.2
More educated
44% hold a bachelor's degree
US average: 24%
Less affordable
home values up 30%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

251
+202%since 1990
from 83 in 1990
1990 – 2025
24 / sq mi
+202%since 1990
from 8 / sq mi in 1990
US average: 242
37.4
+18%since 1990
from 31.6 in 1990
US average: 35.2
Population, 19902024
501502513514521990201020202024Old Mill Creek
2024143
1990201020202024
Section 02

Income & economy

$82,426
+14%inflation adjusted, since 1990
from $55,000 in 1990
US average: $42,589
1990 – 2024
$43,314
+68%since 1990
from $25,720 in 1990
US average: $21,522
2.7%
+2.7 ptssince 1990
from 0.0% in 1990
US average: 12.4%
Section 03

Housing

$278,800
+30%inflation adjusted, since 1990
from $162,500 in 1990
US average: $120,530
1990 – 2024
$967
−27%inflation adjusted, since 1990
from $1,001 in 1990
US average: $602
62.2%
+17.1 ptssince 1990
from 45.2% in 1990
37.8% rent
3.4
+14%since 1990
from 3.0 in 1990
1990 – 2024
RELATED:See current rent listings in Old Mill Creek on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic100%(83)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Diversity Score0%(0)
2000
White, non-Hispanic86.9%(218)
Black2.4%(6)
Hispanic / Latino2.4%(6)
Asian6.4%(16)
Diversity Score26.2%(66)
26
from 0 in 1990
1990 – 2024
Section 05

Education

44.0%
+5.2 ptssince 1990
from 38.8% in 1990
US average: 24.4%
High school or higher
95.5%
−4.5 ptssince 1990
from 100.0% in 1990
US average: 80.3%
15.0%
+9.0 ptssince 1990
from 6.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

26.8 min
+13%since 1990
from 23.8 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 Old Mill Creek, Illinois?

Old Mill Creek, Illinois has about 251 residents according to the 2000 Census.

What is the median household income in Old Mill Creek, Illinois?

The typical household in Old Mill Creek, Illinois earns about $82,426 a year. Half of households make more than that, and half make less.

Is Old Mill Creek, Illinois expensive?

In Old Mill Creek, Illinois, the median home is worth about $278,800, and the typical rent is about $967 a month.

How educated are people in Old Mill Creek, Illinois?

About 44.0% of adults age 25 and over in Old Mill Creek, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Old Mill Creek, Illinois?

About 2.7% of people in Old Mill Creek, Illinois live below the federal poverty line.

Has Old Mill Creek, Illinois grown since 1990?

Yes, Old Mill Creek, Illinois has grown since 1990. The population has added about 168 residents, a change of about 202 percent over that period.

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

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