Milmine, IL · standard
ZIP Code 61855
Piatt County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 96
- 4/sq mi Low-density area
- $220,000
- Median home value Near-median home value
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Milmine pairs below-median home values, in a rural, homeowner-dominated area.
- 49th 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 61855 against every reporting US ZIP.
ZIP code 61855 is a sparsely populated ZIP (a standard USPS delivery area) in Milmine, Piatt County, Illinois, home to just 96 residents across 26.7 square miles, a density of 4 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 61855, Milmine, 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
96
Population
26.7
Area (sq mi)
4
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61855?
62.0
Median Age
62.5%
Male
37.5%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$45,579
Per Capita Income
12.5%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
28housing units
28
Total Housing Units
24
Occupied Units
4
Vacant Units
Occupancy Type
$220,000
Median Home Value
+15% vs state ZIP avg
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 61855 vs 61818 →
Related Areas
Frequently Asked Questions
What county is ZIP code 61855 in?
ZIP code 61855 (Milmine) is located in Piatt County, Illinois. Piatt County contains multiple ZIP codes, see the full list at /counties/piatt-il.
What is the population of ZIP code 61855?
ZIP code 61855 in Milmine, IL has a population of 96 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 61855's numbers, next.
- See how ZIP 61855 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Milmine, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.