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County ZIP codes · Illinois · FIPS 17029

Coles County, IL ZIP Codes

Coles County, Illinois has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Coles County and 8 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $52,429 in 61920 (Charleston) to $88,538 in 61910 (Arcola) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Coles County?

61910 · Arcola: $89k61911 · Arthur: $83k61912 · Ashmore: $75k61920 · Charleston: $52k61928 · Gays: $118k61930 · Hindsboro: $80k61931 · Humboldt: $74k61938 · Mattoon: $58k61943 · Oakland: $54k61951 · Sullivan: $72k62420 · Casey: $66k62440 · Lerna: $80k62469 · Trilla: $116k62474 · Westfield: $67k619516242061920619386191061911619436244061930619286191262474619316246961910 · Arcola: $89k61911 · Arthur: $83k61912 · Ashmore: $75k61920 · Charleston: $52k61928 · Gays: $118k61930 · Hindsboro: $80k61931 · Humboldt: $74k61938 · Mattoon: $58k61943 · Oakland: $54k61951 · Sullivan: $72k62420 · Casey: $66k62440 · Lerna: $80k62469 · Trilla: $116k62474 · Westfield: $67k619516242061920619386191061911619436244061930619286191262474619316246961910 · Arcola: $89k61911 · Arthur: $83k61912 · Ashmore: $75k61920 · Charleston: $52k61928 · Gays: $118k61930 · Hindsboro: $80k61931 · Humboldt: $74k61938 · Mattoon: $58k61943 · Oakland: $54k61951 · Sullivan: $72k62420 · Casey: $66k62440 · Lerna: $80k62469 · Trilla: $116k62474 · Westfield: $67k61951624206192061938619106191161943624406192861912624746193162469
The residential ZIP codes of Coles County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $57,503 and $79,605.

They carry 14 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 14 residential ZIP codes in Coles County

6 ZIP codes lie mainly in Coles County; 8 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Coles County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
61920 Charleston 20,951 141 $52k $149k 100%
61938 Mattoon 20,350 161 $58k $112k 99%
61943 Oakland 1,396 19 $54k $109k 58%
61931 Humboldt 1,350 41 $74k $135k 100%
61912 Ashmore 1,255 24 $75k $135k 100%
62440 Lerna 1,107 27 $80k $128k 74%

Partly in Coles County

Residential ZIP codes mainly in another county that reach at least 1% into Coles County, by their share here
In this county
62474 Westfield 626 17 $67k $88k 36%
61910 Arcola 4,769 47 $89k $143k 33%
61930 Hindsboro 687 20 $80k $100k 24%
62469 Trilla 552 27 $116k $154k 15%
61911 Arthur 4,508 71 $83k $172k 12%
62420 Casey 4,299 35 $66k $140k 5%
61928 Gays 776 25 $118k $152k 5%
61951 Sullivan 7,787 59 $72k $151k 2%

Download the 14 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

11 ZIP codes of Coles County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Coles County and in the neighboring counties
ZIPIn ColesElsewhere
6193899%Cumberland County1%
619512%Moultrie County98%
6191033%Douglas County67%
6191112%Moultrie County47%; Douglas County41%
624205%Clark County57%; Cumberland County36%; Jasper County2%
6194358%Douglas County34%; Edgar County8%
6244074%Cumberland County26%
619285%Moultrie County63%; Shelby County32%
6193024%Douglas County76%
6247436%Clark County64%
6246915%Cumberland County85%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Coles County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Coles County's ZIP codes use 2 prefixes: 619 and 624.

Three-digit prefixes of Coles County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Coles County's
PrefixSectional centerHereAll codes
619Champaign, IL (SCF 618)1030
624Champaign, IL (SCF 618)461

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.