PlainZIP

West Brooklyn, IL · standard

ZIP Code 61378

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

512
3/sq mi
$85,350
Median income
$188,600
Median home value
21.9%
Bachelor's or higher

The verdict

West Brooklyn pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.

Top 32%
household income, US ZIPs
40th pct
home value, US ZIPs
3
people per sq mi
69%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61378 against every reporting US ZIP.

ZIP code 61378 is a sparsely populated ZIP (a standard USPS delivery area) in West Brooklyn, Lee County, Illinois, home to just 512 residents across 155.2 square miles, a density of 3 people per square mile, in the Chicago time zone.

ZIP 61378 lands in the middle-income range, with a median household income of $85,350 (7% above the Illinois average), while per-capita income is $39,412. Local economic indicators show a 3.1% poverty rate alongside 0.6% unemployment. The typical home here is valued at $188,600 (2% below the state average); renters pay a median of $1,167 monthly, and 68.5% of units are owner-occupied.

Educational attainment sits below the national norm: 21.9% of adults hold a bachelor's degree or higher, the median age is 29.8, and the average commute is -. Beyond these figures, 5 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Lee County, letting you compare 61378 to its immediate surroundings rather than a national baseline 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 61378, West Brooklyn, 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

512

Population

155.2

Area (sq mi)

3

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 61378?

29.8

Median Age

50.3%

Male

49.7%

Female

2.9%

Foreign-Born

White 97.1%
African American 0.0%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.8%
Hispanic or Latino 2.7%

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?

$85,350

Median Household Income

+7% vs state

$39,412

Per Capita Income

3.1%

Poverty Rate

0.6%

Unemployment Rate

How ZIP 61378 ranks nationally

West Brooklyn, IL household income vs. every US ZIP code

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

$85,350 Top 32% higher than 68% 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 55.9%
Bachelor's Degree or Higher 21.9%

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

What does housing look like?

200

Total Housing Units

181

Occupied Units

19

Vacant Units

2.83

Avg Household Size

Occupancy Type

Owner 68.5%
Renter 31.5%

$188,600

Median Home Value

-2% vs state

$1,167

Median Rent

1938

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 12 business establishments in ZIP 61378, employing approximately 39 people with a combined annual payroll of $2,752,000.

12

Businesses

39

Employees

$2.8M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 4 33.3%
Transportation and warehousing 3 25.0%

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 61378 vs 61318 →

ZIP 61378 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 61378 ranks #5 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 61378 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 61378 ranks #2 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
61318 Compton, IL 700 4.1 mi
61331 Lee Center, IL 55 6.4 mi
61006 Ashton, IL 1,759 9.8 mi
61367 Sublette, IL 864 8.8 mi
60553 Steward, IL 782 9.8 mi

More ZIP Codes in Lee County

61021 standard
Dixon, IL
Pop: 23,745
61310 standard
Amboy, IL
Pop: 3,970
61006 standard
Ashton, IL
Pop: 1,759
61031 standard
Franklin Grove, IL
Pop: 1,656
61353 standard
Paw Paw, IL
Pop: 1,333
61367 standard
Sublette, IL
Pop: 864

Related Areas

Lee County West Brooklyn, IL Illinois

Frequently Asked Questions

What county is ZIP code 61378 in? ▼
ZIP code 61378 (West Brooklyn) is located in Lee County, Illinois. Lee County contains multiple ZIP codes, see the full list at /counties/lee-il.
What is the population of ZIP code 61378? ▼
ZIP code 61378 in West Brooklyn, IL has a population of 512 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61378? ▼
The median household income in ZIP 61378 is $85,350, which is 12% above the national average of $76,288.
What is the average home value in ZIP 61378? ▼
The median home value in ZIP 61378 is $188,600, which is 32% below the national average of $278,155.
What is the demographic makeup of ZIP 61378? ▼
The largest racial group in ZIP 61378 is White at 97.1%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 61378? ▼
ZIP code 61378 has 12 business establishments employing approximately 39 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61378? ▼
In ZIP code 61378, 55.9% of residents aged 25+ have a high school diploma or higher, and 21.9% 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 61378? ▼
In ZIP code 61378, approximately 68.5% of occupied housing units are owner-occupied and 31.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61378? ▼
The poverty rate in ZIP code 61378 is 3.1% 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.