PlainZIP

Niantic, IL · standard

ZIP Code 62551

Macon County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

837
12/sq mi
$69,583
Median income
$129,200
Median home value
14.1%
Bachelor's or higher

The verdict

Niantic pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

46th pct
household income, US ZIPs
20th pct
home value, US ZIPs
12
people per sq mi
84%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62551 against every reporting US ZIP.

ZIP code 62551 is a sparsely populated ZIP (a standard USPS delivery area) in Niantic, Macon County, Illinois, home to just 837 residents across 69.8 square miles, a density of 12 people per square mile, in the Chicago time zone.

ZIP 62551 reports a modest median household income of $69,583 (13% below the Illinois average), while per-capita income is $34,708. 7.8% of residents live below the poverty line, and the unemployment rate reads 10.4%. On housing, the median home value is $129,200 (33% below the state average) with median rent at $846 per month, and 84.1% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 14.1% of adults hold a bachelor's degree or higher, the median age is 38, and the average commute is -. A geography-based comparison follows: 9 ZIP codes within about 10 miles of 62551, plus 6 more within Macon County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 62551, Niantic, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

837

Population

69.8

Area (sq mi)

12

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 62551?

38.0

Median Age

53.4%

Male

46.6%

Female

2.1%

Foreign-Born

White 82.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.5%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 15.1%
Hispanic or Latino 10.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$69,583

Median Household Income

-13% vs state

$34,708

Per Capita Income

7.8%

Poverty Rate

10.4%

Unemployment Rate

How ZIP 62551 ranks nationally

Niantic, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$69,583 46th percentile higher than 46% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 50.2%
Bachelor's Degree or Higher 14.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

333

Total Housing Units

295

Occupied Units

38

Vacant Units

2.78

Avg Household Size

Occupancy Type

Owner 84.1%
Renter 15.9%

$129,200

Median Home Value

-33% vs state

$846

Median Rent

1953

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 7 business establishments in ZIP 62551, employing approximately 46 people with a combined annual payroll of $2,796,000.

7

Businesses

46

Employees

$2.8M

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 62551 vs 62537 →

ZIP 62551 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 62551 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 62551 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 62551 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
62537 Harristown, IL 92 3.3 mi
62539 Illiopolis, IL 1,358 5.0 mi
62543 Latham, IL 540 8.2 mi
62522 Decatur, IL 16,630 5.9 mi
62513 Blue Mound, IL 1,766 9.1 mi
62547 Mount Auburn, IL 804 7.6 mi
62573 Warrensburg, IL 1,513 7.8 mi
62514 Boody, IL 252 8.5 mi
62548 Mount Pulaski, IL 2,258 10.9 mi

More ZIP Codes in Macon County

62521 standard
Decatur, IL
Pop: 35,851
62526 standard
Decatur, IL
Pop: 34,075
62522 standard
Decatur, IL
Pop: 16,630
62549 standard
Mt Zion, IL
Pop: 6,269
62535 standard
Forsyth, IL
Pop: 3,534
62501 standard
Argenta, IL
Pop: 2,661

Related Areas

Macon County Niantic, IL Illinois

Frequently Asked Questions

What county is ZIP code 62551 in? ▼
ZIP code 62551 (Niantic) is located in Macon County, Illinois. Macon County contains multiple ZIP codes, see the full list at /counties/macon-il.
What is the population of ZIP code 62551? ▼
ZIP code 62551 in Niantic, IL has a population of 837 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 62551? ▼
The median household income in ZIP 62551 is $69,583, which is 9% below the national average of $76,288.
What is the average home value in ZIP 62551? ▼
The median home value in ZIP 62551 is $129,200, which is 54% below the national average of $278,155.
What is the demographic makeup of ZIP 62551? ▼
The largest racial group in ZIP 62551 is White at 82.0%. Hispanic or Latino residents make up 10.6% of the population.
How many businesses are in ZIP code 62551? ▼
ZIP code 62551 has 7 business establishments employing approximately 46 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 62551? ▼
In ZIP code 62551, 50.2% of residents aged 25+ have a high school diploma or higher, and 14.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 62551? ▼
In ZIP code 62551, approximately 84.1% of occupied housing units are owner-occupied and 15.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62551? ▼
The poverty rate in ZIP code 62551 is 7.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.