PlainZIP

Somonauk, IL · standard

ZIP Code 60552

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

4,448
63/sq mi
$113,411
Median income
$257,400
Median home value
32.4%
Bachelor's or higher

The verdict

Somonauk pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 41%
home value, US ZIPs
63
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 60552 against every reporting US ZIP.

ZIP code 60552 covers 70.3 square miles in Somonauk, LaSalle County, Illinois (a standard USPS delivery area), with a modest 4,448 residents on file, a density of 63 people per square mile, in the Chicago time zone.

ZIP 60552 skews affluent, with a median household income of $113,411 (42% above the Illinois average), while per-capita income is $61,990. Poverty here runs at 3.4%, with unemployment measured at 3.1%. On housing, the median home value is $257,400 (34% above the state average) with median rent at $1,388 per month, and 84.6% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 32.4% of adults hold a bachelor's degree or higher, the median age is 48.6, and the average commute is 37 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing LaSalle County, so you can benchmark 60552 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 →

Top industries in ZIP 60552

Top 5 sectors by establishment count in Somonauk, IL

Which industries have the most business establishments in ZIP 60552.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 60552, Somonauk, 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

4,448

Population

70.3

Area (sq mi)

63

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 60552?

48.6

Median Age

47.5%

Male

52.5%

Female

3.7%

Foreign-Born

White 91.7%
African American 1.3%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.8%
Hispanic or Latino 4.3%

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?

$113,411

Median Household Income

+42% vs state

$61,990

Per Capita Income

3.4%

Poverty Rate

3.1%

Unemployment Rate

36.5 min

Mean Commute Time

How ZIP 60552 ranks nationally

Somonauk, IL household income vs. every US ZIP code

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

$113,411 Top 12% higher than 88% 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%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $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 58.7%
Bachelor's Degree or Higher 32.4%

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

What does housing look like?

1,953

Total Housing Units

1,807

Occupied Units

146

Vacant Units

2.37

Avg Household Size

Occupancy Type

Owner 84.6%
Renter 15.4%

$257,400

Median Home Value

+34% vs state

$1,388

Median Rent

1975

Median Year Built

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

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+17.6%

YoY Change (2024)

199

HPI Index (2000 = 100)

+99%

Total Change Since 2000

Home values in ZIP 60552 have increased 17.6% over the past year (2024). Since 2000, this ZIP has seen +99% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.9% 136
2021 +10.1% 150
2022 +9.8% 165
2023 +2.5% 169
2024 +17.6% 199

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 70 business establishments in ZIP 60552, employing approximately 433 people with a combined annual payroll of $23,096,000.

70

Businesses

433

Employees

$23.1M

Annual Payroll

9

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 14 20.0%
Construction 9 12.9%
Accommodation and food services 9 12.9%
Manufacturing 6 8.6%
Transportation and warehousing 5 7.1%
Administrative and support and waste management and remediation services 5 7.1%
Wholesale trade 4 5.7%
Retail trade 4 5.7%
Arts, entertainment, and recreation 3 4.3%

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 60552 vs 60548 →

ZIP 60552 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 60552 ranks #3 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 60552 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 60552 ranks #2 of 8 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
60548 Sandwich, IL 12,218 3.5 mi
60531 Leland, IL 1,902 5.3 mi
60551 Sheridan, IL 5,062 9.3 mi
60520 Hinckley, IL 2,886 8.8 mi
60556 Waterman, IL 2,007 8.0 mi
60537 Millington, IL 665 8.5 mi
60511 Big Rock, IL 1,793 10.2 mi

More ZIP Codes in LaSalle County

61350 standard
Ottawa, IL
Pop: 24,246
61364 standard
Streator, IL
Pop: 20,133
61354 standard
Peru, IL
Pop: 10,870
61301 standard
La Salle, IL
Pop: 10,588
61342 standard
Mendota, IL
Pop: 9,216
61341 standard
Marseilles, IL
Pop: 8,234

Related Areas

LaSalle County Somonauk, IL Illinois

Frequently Asked Questions

What county is ZIP code 60552 in? ▼
ZIP code 60552 (Somonauk) is located in LaSalle County, Illinois. LaSalle County contains multiple ZIP codes, see the full list at /counties/lasalle-il.
What is the population of ZIP code 60552? ▼
ZIP code 60552 in Somonauk, IL has a population of 4,448 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 60552? ▼
The median household income in ZIP 60552 is $113,411, which is 49% above the national average of $76,288.
What is the average home value in ZIP 60552? ▼
The median home value in ZIP 60552 is $257,400, which is 7% below the national average of $278,155.
What is the demographic makeup of ZIP 60552? ▼
The largest racial group in ZIP 60552 is White at 91.7%. Hispanic or Latino residents make up 4.3% of the population.
How many businesses are in ZIP code 60552? ▼
ZIP code 60552 has 70 business establishments employing approximately 433 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 60552? ▼
The top industries by establishment count in ZIP 60552 are: Other services (except public administration) (14), Construction (9), Accommodation and food services (9). There are 9 industry sectors represented in total.
How have home values changed in ZIP code 60552? ▼
According to the FHFA House Price Index, home values in ZIP 60552 increased by 17.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 99%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 60552? ▼
In ZIP code 60552, 58.7% of residents aged 25+ have a high school diploma or higher, and 32.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 60552? ▼
The mean commute time for workers in ZIP code 60552 is 36.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 60552? ▼
In ZIP code 60552, approximately 84.6% of occupied housing units are owner-occupied and 15.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 60552? ▼
The poverty rate in ZIP code 60552 is 3.4% 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.