Lee Center, IL · standard
ZIP Code 61331
Lee County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 55
- 769/sq mi High-density area
National ZIP placement
Lee Center has 55 residents, placing it among the least populous of the 33,099 US ZIP codes with a reported population, at 769 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 61331 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 61331 is a sparsely populated ZIP (a standard USPS delivery area) in Lee Center, Lee County, Illinois, home to just 55 residents across 0.1 square miles, a density of 769 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them.
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 61331, Lee Center, 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
55
Population
0.1
Area (sq mi)
769
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61331?
-
Median Age
-
Male
-
Female
-
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 61331 vs 61031 →
Related Areas
Frequently Asked Questions
What county is ZIP code 61331 in?
ZIP code 61331 (Lee Center) 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 61331?
ZIP code 61331 in Lee Center, IL has a population of 55 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 61331's numbers, next.
- See how ZIP 61331 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Lee Center, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.