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Niantic, Macon County, Illinois

Village in Macon County, Illinois · ZIP 62551

  • Macon County
  • Within Niantic Township
  • Census data · ACS 2019-2023
  • 1 public schools
  • 588 (2024 estimate)Population
  • 227Households
  • $64,009Median household income
  • $111,700Median home value
  • 1Public schools
  • 1ZIP codes

About Niantic

This page shows only what has been published about Niantic: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−17.1%
6006507007502000: 73820002010: 70720102020: 6122020738612
Population of Niantic at each census
CensusPopulation
2000738
2010707
2020612

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.

Household income in Niantic
Under $50k20.6%
$50k to $100k58.5%
$100k to $150k13.7%
$150k to $200k2.2%
$200k and over4.8%

Median household income $64,009 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 17, retrieved November 14, 2026.

Housing tenure in Niantic
Owner occupied
199 units
Renter occupied
28 units
Vacancy rate
13.7%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

Niantic compared with its county and state
Niantic compared with its county and state, American Community Survey 2019-2023
MeasureNianticMacon CountyIllinois
Population734102,59112,692,653
Median household income$64,009$62,449$81,702
Median age31.740.938.9
Median home value$111,700$121,800$250,500
Bachelor’s degree or higher10.0%24.1%37.2%
Foreign-born residents2.2%2.8%14.4%
Owner-occupied homes87.7%69.8%66.8%
Mean commute to work24.7 minutes18.9 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

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Schools

Public schools in Niantic1
Public schools in Niantic, NCES directory 2023–2024
SchoolTypeGradesDistrict
Sangamon Valley High SchoolPublic9–12Sangamon Valley CUSD 9

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about NianticPromoted from questions people asked

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Nearby towns

Other towns in Macon County

All towns in Macon County

Other places named Niantic in Illinois