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Niantic, IL

Village in Macon County, Illinois. ZIP codes: 62551.

Population

671

Land area

1sq mi

People per sq mi

646

ZIP codes

1

Niantic and its ZIP codes

Full map

Niantic at a glance

  • Niantic is about 2.8 times as dense as Illinois as a whole.
  • Households here earn a median of $67,155 a year, 19% less than the Illinois figure of $83,390.
  • A typical owner-occupied home is valued at $114,800 (56% below Illinois) and median rent is $1,066 a month.

Local data for Niantic, IL

Counts from official public data

Housing and community stats

Niantic, IL, American Community Survey 2020-2024

Full profile

Median household income

$67,155

Poverty rate

7.7%

Median home value

$114,800

Median rent

$1,066/mo

Homeownership

88.6%

Bachelor's or higher

8.4%

Median age

33.8

Average commute

24.5 min

Largest reported origins and ancestries: German Americans (89), Mexican Americans (67), Irish Americans (40).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Macon County. PPP loans are for Niantic.

Details

Unemployment rate

5.1%

Aug 2026, -1.0 pts in a year

Average annual pay

$68,764

45,164 jobs, 2025

Income per person

$61,375

BEA, 2024

Federal spending

$692M

FY 2026, $6,659 per person

PPP loans

$816K

16 loans, 63 jobs reported

Macon County economyFederal spendingPPP loans

How people get to work

Niantic, IL, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone79.2%
  • Carpooled15.3%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home4.9%

Average one-way commute: 24.5 minutes for people who do not work from home.

Environment and hazard risk

Niantic, IL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: cold wave

Storm events since 1996

602

Countywide, mostly thunderstorm wind

Flood insurance policies

87

0.2% of homes, county

July high / Jan low

85° / 20°F

40.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Niantic, IL, CDC PLACES estimates

All 40 measures

Obesity

39.3%

U.S. 33.3% +6.0 pts

Diabetes

10.0%

U.S. 12.1% -2.1 pts

Smoking

14.1%

U.S. 12.8% +1.3 pts

Uninsured (18-64)

6.7%

U.S. 11.1% -4.4 pts

ZIP codes in Niantic

1 in or overlapping Niantic. Population shown

·

Cities near Niantic

NameDistanceLand area (sq mi)
IlliopolisVillage5 mi0.7
HarristownVillage5.6 mi1.8
WarrensburgVillage7.7 mi0.7
LathamVillage7.8 mi0.3
Mount AuburnVillage7.9 mi1
BoodyCensus-designated place8.8 mi1.2
Blue MoundVillage11 mi0.6
DecaturCity11 mi43.7
ElwinCensus-designated place11 mi0.8
ForsythVillage12 mi3.1
Mount PulaskiCity13 mi1.1
MechanicsburgVillage13 mi1
BuffaloVillage13 mi0.3
MaconCity13 mi1.3
CornlandCensus-designated place14 mi0.1
ChestnutCensus-designated place14 mi0.1

Frequently asked questions

What county is Niantic, IL in?
Niantic is in Macon County, Illinois.
What ZIP codes are in Niantic, IL?
ZIP codes in or overlapping Niantic include 62551.
What is the population of Niantic, IL?
About 671 people live in Niantic, based on American Community Survey 5-year estimates.
What cities are near Niantic?
Nearby places include Illiopolis (5 mi), Harristown (5.6 mi), Warrensburg (7.7 mi), Latham (7.8 mi), Mount Auburn (7.9 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023