PlainZIP

Maquon, IL · standard

ZIP Code 61458

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

822
4/sq mi
$65,461
Median income
$77,300
Median home value
11.2%
Bachelor's or higher

The verdict

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

39th pct
household income, US ZIPs
4th pct
home value, US ZIPs
4
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61458 against every reporting US ZIP.

ZIP code 61458 is a sparsely populated ZIP (a standard USPS delivery area) in Maquon, Knox County, Illinois, home to just 822 residents across 216.3 square miles, a density of 4 people per square mile, in the Chicago time zone.

ZIP 61458 reports a modest median household income of $65,461 (18% below the Illinois average), while per-capita income is $31,749. 6.9% of residents live below the poverty line, and the unemployment rate reads 3.3%. On housing, the median home value is $77,300 (60% below the state average) with median rent at - per month, and 83.0% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 11.2% of adults hold a bachelor's degree or higher, the median age is 50.6, and the average commute is -. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Knox County, so you can benchmark 61458 against its immediate geography rather than a 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 61458, Maquon, 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

822

Population

216.3

Area (sq mi)

4

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 61458?

50.6

Median Age

52.7%

Male

47.3%

Female

0.0%

Foreign-Born

White 97.9%
African American 0.0%
Asian 0.5%
American Indian or Alaska Native 0.8%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.8%
Hispanic or Latino 2.6%

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?

$65,461

Median Household Income

-18% vs state

$31,749

Per Capita Income

6.9%

Poverty Rate

3.3%

Unemployment Rate

How ZIP 61458 ranks nationally

Maquon, IL household income vs. every US ZIP code

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

$65,461 39th percentile higher than 39% 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 62.4%
Bachelor's Degree or Higher 11.2%

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

What does housing look like?

359

Total Housing Units

329

Occupied Units

30

Vacant Units

1.99

Avg Household Size

Occupancy Type

Owner 83.0%
Renter 17.0%

$77,300

Median Home Value

-60% vs state

1938

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 61458, employing approximately 20 people with a combined annual payroll of $955,000.

6

Businesses

20

Employees

$955K

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 61458 vs 61436 →

ZIP 61458 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 61458 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 61458 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 61458 ranks #5 of 6 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
61436 Gilson, IL 951 6.0 mi
61544 London Mills, IL 713 6.8 mi
61432 Fairview, IL 676 8.9 mi
61572 Yates City, IL 1,068 7.7 mi
61531 Farmington, IL 3,379 10.2 mi

More ZIP Codes in Knox County

61401 standard
Galesburg, IL
Pop: 34,788
61410 standard
Abingdon, IL
Pop: 3,912
61448 standard
Knoxville, IL
Pop: 3,823
61488 standard
Wataga, IL
Pop: 1,120
61572 standard
Yates City, IL
Pop: 1,068
61467 standard
Oneida, IL
Pop: 1,048

Related Areas

Knox County Maquon, IL Illinois

Frequently Asked Questions

What county is ZIP code 61458 in? ▼
ZIP code 61458 (Maquon) is located in Knox County, Illinois. Knox County contains multiple ZIP codes, see the full list at /counties/knox-il.
What is the population of ZIP code 61458? ▼
ZIP code 61458 in Maquon, IL has a population of 822 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61458? ▼
The median household income in ZIP 61458 is $65,461, which is 14% below the national average of $76,288.
What is the average home value in ZIP 61458? ▼
The median home value in ZIP 61458 is $77,300, which is 72% below the national average of $278,155.
What is the demographic makeup of ZIP 61458? ▼
The largest racial group in ZIP 61458 is White at 97.9%. Hispanic or Latino residents make up 2.6% of the population.
How many businesses are in ZIP code 61458? ▼
ZIP code 61458 has 6 business establishments employing approximately 20 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61458? ▼
In ZIP code 61458, 62.4% of residents aged 25+ have a high school diploma or higher, and 11.2% 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 61458? ▼
In ZIP code 61458, approximately 83.0% of occupied housing units are owner-occupied and 17.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61458? ▼
The poverty rate in ZIP code 61458 is 6.9% 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.