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County ZIP codes · Illinois · FIPS 17039

De Witt County, IL ZIP Codes

De Witt County, Illinois has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 8 of the residential ones lie mainly in De Witt County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $70,063 in 61727 (Clinton) to $107,835 in 61745 (Heyworth) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of De Witt County?

61727 · Clinton: $70k61735 · Dewitt: $93k61745 · Heyworth: $108k61749 · Kenney: $71k61750 · Lane: –61752 · Le Roy: $88k61754 · McLean: $99k61756 · Maroa: $86k61777 · Wapella: $90k61778 · Waynesville: $60k61842 · Farmer City: $80k61882 · Weldon: $80k62512 · Beason: $55k61727618426175261756617456175462512618826177761749617786173561727 · Clinton: $70k61735 · Dewitt: $93k61745 · Heyworth: $108k61749 · Kenney: $71k61750 · Lane: –61752 · Le Roy: $88k61754 · McLean: $99k61756 · Maroa: $86k61777 · Wapella: $90k61778 · Waynesville: $60k61842 · Farmer City: $80k61882 · Weldon: $80k62512 · Beason: $55k61727618426175261756617456175462512618826177761749617786173561727 · Clinton: $70k61735 · Dewitt: $93k61745 · Heyworth: $108k61749 · Kenney: $71k61750 · Lane: –61752 · Le Roy: $88k61754 · McLean: $99k61756 · Maroa: $86k61777 · Wapella: $90k61778 · Waynesville: $60k61842 · Farmer City: $80k61882 · Weldon: $80k62512 · Beason: $55k617276184261752617566174561754625126188261777617496177861735
The residential ZIP codes of De Witt 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 $80,117 and $87,591.

They carry 13 postal town names.

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

All 13 residential ZIP codes in De Witt County

8 ZIP codes lie mainly in De Witt County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in De Witt County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
61727 Clinton 9,033 71 $70k $117k 100%
61842 Farmer City 2,620 24 $80k $158k 63%
61777 Wapella 956 26 $90k $140k 100%
61882 Weldon 777 20 $80k $137k 90%
61749 Kenney 653 18 $71k $113k 80%
61778 Waynesville 547 18 $60k $115k 100%
61735 Dewitt 360 17 $93k $163k 100%
61750 Lane 118 1,192 – – 100%

Partly in De Witt County

Residential ZIP codes mainly in another county that reach at least 1% into De Witt County, by their share here
In this county
61756 Maroa 2,542 30 $86k $181k 30%
61745 Heyworth 4,542 61 $108k $228k 18%
61754 McLean 1,131 14 $99k $163k 8%
61752 Le Roy 4,332 50 $88k $178k 5%
62512 Beason 446 10 $55k $131k 2%

Download the 13 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?

8 ZIP codes of De Witt County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in De Witt County and in the neighboring counties
ZIPIn De WittElsewhere
6174518%McLean County82%
617525%McLean County95%
6184263%Piatt County19%; McLean County18%
6175630%Macon County70%
617548%McLean County87%; Logan County5%
6188290%Piatt County7%; Macon County3%
6174980%Macon County11%; Logan County9%
625122%Logan County98%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. De Witt County's ZIP codes use 3 prefixes: 617, 618 and 625.

Three-digit prefixes of De Witt 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 De Witt County's
PrefixSectional centerHereAll codes
617Champaign, IL (SCF 618)1060
618Champaign, IL (SCF 618)262
625Springfield, IL (SCF 625)153

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