ZIP code
62551
Niantic, IL
62551 covers Niantic in Macon County, with 908 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 62551. Methodology
ZIP code map of 62551

About ZIP code 62551
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 62551. Not ACS. Methodology
People in 62551
Race
- White717
- Black or African American1
- American Indian or Alaska Native3
- Asian6
- Other race3
- Two or more races23
Hispanic or Latino (any race): 7
Age
- Under 1092
- 10 to 19124
- 20 to 2958
- 30 to 3999
- 40 to 49108
- 50 to 5991
- 60 to 6995
- 70 to 7960
- 80 and older26
Income and housing in 62551
Education
- High school graduate92.3%
- Bachelor's degree19.4%
- Graduate degree8.2%
Places covering 62551
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Niantic81.3%
- Harristown3.9%
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
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Macon County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
14.9% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 62551
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 812 | |
| 2006 | 817 | |
| 2007 | 832 | |
| 2008 | 809 | |
| 2009 | 783 | |
| 2010 | 758 | |
| 2011 | 937 | 759 |
| 2012 | 903 | 750 |
| 2013 | 852 | 730 |
| 2014 | 755 | 700 |
| 2015 | 758 | 690 |
| 2016 | 626 | 670 |
| 2017 | 564 | 720 |
| 2018 | 575 | 710 |
| 2019 | 743 | 710 |
| 2020 | 823 | 730 |
| 2021 | 929 | 720 |
| 2022 | 924 | 660 |
| 2023 | 908 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 62551
12 nearest ZIP centroids (any distance)
- 62537Harristown3.3 miPop 288 · Income $61,000
- 62539Illiopolis5.0 miPop 1,342 · Income $88,583
- 62522Decatur6.0 miPop 14,984 · Income $51,689
- 62547Mount Auburn7.4 miPop 619 · Income $72,750
- 62573Warrensburg7.7 miPop 1,154 · Income $91,250
- 62543Latham8.1 miPop 504 · Income $77,083
- 62514Boody8.4 miPop 372 · Income $54,955
- 62513Blue Mound9.2 miPop 1,377 · Income $78,813
- 62526Decatur9.4 miPop 31,191 · Income $48,222
- 62523Decatur10.8 miPop 802 · Income —
- 62532Elwin10.9 miPop 33 · Income —
- 62548Mount Pulaski11.1 miPop 2,116 · Income $71,371
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 62551, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 62551 FAQ
- What city is ZIP code 62551 in?
- 62551 is in Niantic, IL.
- What county is 62551 in?
- 62551 is in Macon County.
- What is the median household income in 62551?
- The median household income in 62551 is $65,000.
- Which ZIP codes are near 62551?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 62551.