CITY · 1990 CENSUS

Niantic

Illinois · 669 residents · 1.04 sq mi

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The short version

With 669 people, Niantic is a city in Illinois. Owners hold 85% of the housing stock. Median home value sits at $36,100. 13% of adults hold a bachelor's degree or higher. Poverty is uncommon here, at 8.5% of residents. There are 69 fewer people here than in 2000.

At a glance

Average income

near the US median

US median: $30,130

Mid-age

median age 33.1

US median: 33.0

Less educated

13% hold a bachelor's degree

US average: 20%

More affordable

home values down 31%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

669

−9%vs 2000

vs 738 in 2000

1990 – 2025

Median age

33.1

Unchangedvs 2000

vs 33.0 in 2000

US average: 33.0

Land area

1.04 sq mi

Population, 1990 – 2024

2024671

Age distribution, 1990

Under 56.9%(46)

US avg: 7.3%

5 to 98.7%(58)

US avg: 7.3%

10 to 149.4%(63)

US avg: 6.9%

15 to 197.8%(52)

US avg: 7.1%

20 to 243.4%(23)

US avg: 7.5%

25 to 3417.9%(120)

US avg: 17.5%

35 to 4414.8%(99)

US avg: 15.1%

45 to 547.2%(48)

US avg: 10.2%

55 to 649.1%(61)

US avg: 8.5%

65 to 747.5%(50)

US avg: 7.3%

75 to 844.9%(33)

US avg: 4%

85 and over2.4%(16)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$31,437

+1%inflation adjusted, since 2000

vs $41,184 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,954

−39%vs 2000

vs $19,448 in 2000

US average: $14,340

Poverty rate

8.5%

+0.7 ptsvs 2000

vs 7.8% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$36,100

−31%inflation adjusted, since 2000

vs $69,400 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$441

+45%inflation adjusted, since 2000

vs $400 in 2000

US average: $450

Owner-occupied

84.5%

−2.1 ptsvs 2000

vs 86.6% in 2000

15.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic98.9%(730)

Black0%(0)

Hispanic / Latino0.7%(5)

Asian0%(0)

Other0%

1990

White, non-Hispanic100%(669)

Black0%(0)

Hispanic / Latino0%(0)

Asian0%(0)

Other0%(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

Mexican10%(67)

Ancestry

English17.1%(115)

German13.3%(89)

American12.1%(81)

Irish6%(40)

Scottish2.1%(14)

Italian1.3%(9)

Welsh1%(7)

French0.7%(5)

Swedish0.7%(5)

British0.3%(2)

Norwegian0.3%(2)

Scotch-Irish0.3%(2)

RANKED:Largest English population · Largest German population · Largest American population · Largest Mexican population · Largest Irish population

Section 05

Education

Bachelor's degree or higher

13.3%

+1.6 ptsvs 2000

vs 11.7% in 2000

US average: 20.3%

High school or higher

78.9%

−11.4 ptsvs 2000

vs 90.3% in 2000

US average: 75.2%

Graduate degree

3.3%

+1.1 ptsvs 2000

vs 2.2% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

24.3 min

+35%vs 2000

vs 18.0 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married27.6%(66)

Married46%(110)

Widowed3.8%(9)

Divorced22.6%(54)

Women 15+

Never married29.9%(72)

Married38.2%(92)

Widowed7.9%(19)

Divorced24.1%(58)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

0.9%

−7.4 ptssince 2013

from 8.3% in 2013

US average: 8.4%

Employer-based

74.5%

+0.5 ptssince 2020

from 74.0% in 2020

US average: 54.8%

Direct-purchase

12.5%

+2.3 ptssince 2020

from 10.2% in 2020

US average: 13.8%

Medicare

12.2%

−3.6 ptssince 2020

from 15.8% in 2020

US average: 18.4%

Medicaid

18.3%

+4.3 ptssince 2020

from 14.0% in 2020

US average: 20.9%

VA health care

1.9%

+0.2 ptssince 2020

from 1.7% in 2020

US average: 2.2%

Any private

81.7%

+0.6 ptssince 2020

from 81.1% in 2020

US average: 67.1%

Any public

29.8%

+0.6 ptssince 2020

from 29.2% 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)41.5%(17)

US avg: 26.4%

Gulf War (1990s)19.5%(8)

US avg: 24.3%

Vietnam era48.8%(20)

US avg: 33.1%

Korean War0%(0)

US avg: 4.5%

World War II0%(0)

US avg: 1%

Share of the 41 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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