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CITY · 2000 CENSUS

Rio

Illinois · 240 residents · 0.31 sq mi
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The short version

With 240 people, Rio is a city in Illinois. Owners hold 89% of the housing stock. 12% of adults hold a bachelor's degree, below the 24% national rate. Poverty is uncommon here, at 2.0% of residents. Home values have more than doubled since 1990, reaching $67,000. That trails the Illinois median by roughly 19%.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 37.5
US median: 35.2
Less educated
12% hold a bachelor's degree
US average: 24%
Less affordable
home values up 54%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

240
−10%since 1990
from 268 in 1990
1990 – 2025
37.5
+21%since 1990
from 31.0 in 1990
US average: 35.2
Land area
0.31 sq mi
Population, 19902024
17319922525127719902000201020202024Rio
2024205
1990201020202024
Age distribution, 2000
Under 56.3%(15)
US avg: 6.8%
5 to 98.3%(20)
US avg: 7.3%
10 to 145%(12)
US avg: 7.3%
15 to 196.3%(15)
US avg: 7.2%
20 to 242.5%(6)
US avg: 6.7%
25 to 3417.1%(41)
US avg: 14.2%
35 to 4415%(36)
US avg: 16%
45 to 5413.3%(32)
US avg: 13.4%
55 to 648.8%(21)
US avg: 8.6%
65 to 748.3%(20)
US avg: 6.5%
75 to 847.5%(18)
US avg: 4.4%
85 and over1.7%(4)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$37,750
+12%inflation adjusted, since 1990
from $25,625 in 1990
US average: $42,589
1990 – 2024
$17,181
+73%since 1990
from $9,933 in 1990
US average: $21,522
2.0%
−12.9 ptssince 1990
from 14.9% in 1990
US average: 12.4%
Section 03

Housing

$67,000
+54%inflation adjusted, since 1990
from $33,000 in 1990
US average: $120,530
1990 – 2024
$419
−22%inflation adjusted, since 1990
from $408 in 1990
US average: $602
89.4%
+2.6 ptssince 1990
from 86.7% in 1990
10.6% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic99.3%(266)
Black0%(0)
Hispanic / Latino0%(0)
Asian0.7%(2)
2000
White, non-Hispanic97.9%(235)
Black0%(0)
Hispanic / Latino2.1%(5)
Asian0%(0)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican6.8%(14)
Ancestry
English14.1%(29)
German10.7%(22)
Irish10.2%(21)
American7.8%(16)
Swedish6.3%(13)
Belgian3.9%(8)
Dutch2.9%(6)
French2.9%(6)
Norwegian1.5%(3)
Scottish1.5%(3)
Swiss0.5%(1)
Section 05

Education

12.4%
+9.1 ptssince 1990
from 3.3% in 1990
US average: 24.4%
High school or higher
84.7%
+10.4 ptssince 1990
from 74.3% in 1990
US average: 80.3%
3.5%
+3.5 ptssince 1990
from 0.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

13.4 min
−41%since 1990
from 22.8 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.

Marital status
Men 15+
Never married19.1%(18)
Married71.3%(67)
Widowed7.4%(7)
Divorced2.1%(2)
Women 15+
Never married20.2%(21)
Married63.5%(66)
Widowed7.7%(8)
Divorced8.7%(9)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

3.9%
−9.0 ptssince 2013
from 12.9% in 2013
US average: 8.4%
49.3%
−9.9 ptssince 2020
from 59.2% in 2020
US average: 54.8%
Direct-purchase
15.6%
−4.8 ptssince 2020
from 20.4% in 2020
US average: 13.8%
26.8%
−1.4 ptssince 2020
from 28.2% in 2020
US average: 18.4%
22.4%
+4.4 ptssince 2020
from 18.0% in 2020
US average: 20.9%
VA health care
2.4%
Unchangedsince 2020
from 2.4% in 2020
US average: 2.2%
Any private
63.9%
−14.7 ptssince 2020
from 78.6% in 2020
US average: 67.1%
Any public
48.3%
+7.0 ptssince 2020
from 41.3% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)27.6%(8)
US avg: 26.4%
Gulf War (1990s)3.4%(1)
US avg: 24.3%
Vietnam era24.1%(7)
US avg: 33.1%
Korean War13.8%(4)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 29 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Rio, Illinois?

Rio, Illinois has about 240 residents according to the 2000 Census.

What is the median household income in Rio, Illinois?

The typical household in Rio, Illinois earns about $37,750 a year. Half of households make more than that, and half make less.

Is Rio, Illinois expensive?

In Rio, Illinois, the median home is worth about $67,000, and the typical rent is about $419 a month.

How educated are people in Rio, Illinois?

About 12.4% of adults age 25 and over in Rio, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Rio, Illinois?

About 2.0% of people in Rio, Illinois live below the federal poverty line.

Has Rio, Illinois grown since 1990?

Yes, Rio, Illinois has shrunk since 1990. The population has lost about 28 residents, a change of about -10 percent over that period.

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

How we source and harmonize this data →