Niantic, IL ZIP codes

1 ZIP/ZCTA intersecting this Census place in Macon County.

ACS 2023 population

734

Median household income

$64,009

Median home value

$111,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Niantic (GEOID 1752961). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 908 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Niantic, IL

Census place boundary and intersecting ZIP Code Tabulation Areas for Niantic, IL — Census place boundary for Niantic, IL. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Niantic

Population overlap

Share of each ZIP/ZCTA’s population located within Niantic, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

6255181.3%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Niantic

ZIP	City	County	Population	Income
62551	Niantic	Macon County	908	$65,000