PlainZIP

Middletown, IL · standard

ZIP Code 62666

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

616
8/sq mi
$89,167
Median income
$140,300
Median home value
20.5%
Bachelor's or higher

The verdict

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

Top 28%
household income, US ZIPs
23th pct
home value, US ZIPs
8
people per sq mi
76%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62666 against every reporting US ZIP.

ZIP code 62666 is a sparsely populated ZIP (a standard USPS delivery area) in Middletown, Logan County, Illinois, home to just 616 residents across 78.0 square miles, a density of 8 people per square mile, in the Chicago time zone.

ZIP 62666 lands in the middle-income range, with a median household income of $89,167 (11% above the Illinois average), while per-capita income is $39,712. Local economic indicators show a 18.8% poverty rate alongside 2.4% unemployment. Housing costs here run $140,300 for a typical home value (27% below the state average), with rent averaging $740 a month; 76.4% of homes are owner-occupied.

Educational attainment sits below the national norm: 20.5% of adults hold a bachelor's degree or higher, the median age is 43.7, and the average commute is -. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 62666, plus 6 more within Logan 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 62666, Middletown, 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

616

Population

78.0

Area (sq mi)

8

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 62666?

43.7

Median Age

54.0%

Male

46.0%

Female

0.0%

Foreign-Born

White 97.3%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.7%
Hispanic or Latino 0.2%

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?

$89,167

Median Household Income

+11% vs state

$39,712

Per Capita Income

18.8%

Poverty Rate

2.4%

Unemployment Rate

How ZIP 62666 ranks nationally

Middletown, IL household income vs. every US ZIP code

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

$89,167 Top 28% higher than 72% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $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 56.0%
Bachelor's Degree or Higher 20.5%

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

What does housing look like?

265

Total Housing Units

208

Occupied Units

57

Vacant Units

2.33

Avg Household Size

Occupancy Type

Owner 76.4%
Renter 23.6%

$140,300

Median Home Value

-27% vs state

$740

Median Rent

1960

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 5 business establishments in ZIP 62666, employing approximately 19 people with a combined annual payroll of $496,000.

5

Businesses

19

Employees

$496K

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 3 60.0%

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 62666 vs 62671 →

ZIP 62666 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 62666 ranks #4 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 62666 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 62666 ranks #4 of 5 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
62671 New Holland, IL 572 6.1 mi
62693 Williamsville, IL 1,638 8.9 mi
62634 Elkhart, IL 821 7.0 mi
62613 Athens, IL 3,872 9.3 mi

More ZIP Codes in Logan County

62656 standard
Lincoln, IL
Pop: 20,405
61723 standard
Atlanta, IL
Pop: 2,321
62548 standard
Mount Pulaski, IL
Pop: 2,258
62634 standard
Elkhart, IL
Pop: 821
62635 standard
Emden, IL
Pop: 738
62671 standard
New Holland, IL
Pop: 572

Related Areas

Logan County Middletown, IL Illinois

Frequently Asked Questions

What county is ZIP code 62666 in? ▼
ZIP code 62666 (Middletown) is located in Logan County, Illinois. Logan County contains multiple ZIP codes, see the full list at /counties/logan-il.
What is the population of ZIP code 62666? ▼
ZIP code 62666 in Middletown, IL has a population of 616 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 62666? ▼
The median household income in ZIP 62666 is $89,167, which is 17% above the national average of $76,288.
What is the average home value in ZIP 62666? ▼
The median home value in ZIP 62666 is $140,300, which is 50% below the national average of $278,155.
What is the demographic makeup of ZIP 62666? ▼
The largest racial group in ZIP 62666 is White at 97.3%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 62666? ▼
ZIP code 62666 has 5 business establishments employing approximately 19 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 62666? ▼
In ZIP code 62666, 56.0% of residents aged 25+ have a high school diploma or higher, and 20.5% 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 62666? ▼
In ZIP code 62666, approximately 76.4% of occupied housing units are owner-occupied and 23.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62666? ▼
The poverty rate in ZIP code 62666 is 18.8% 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.