Residential delivery area · Illinois
ZIP Code 62326: Colchester, IL
ZIP code 62326 uses the postal name Colchester, Illinois and lies mostly in McDonough County (95% of its land) with the rest in Hancock County (Census 2020 ZIP-county file). About 2,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,000 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Colchester; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Colchester · its only residential ZIP
- County
- McDonough County (95%); Hancock County (5%)
- Census places
- Colchester
- Micro area
- Macomb, IL
- House district
- IL-15 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 77.3 sq mi · 29 people per sq mi
Where is ZIP code 62326?
62326 centers on 40.423°, -90.814° and covers 77.3 square miles of land plus 0.2 of water. It borders 5 ZIP codes: 62374, 62367, 61420, 61455, 62321.
The map draws ZIP code areas only. For the streets inside 62326, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 62326 compare with the rest of McDonough County?
| Measure | 62326 | In McDonough County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 2,236 | 3rd of 17 | 637th of 1,396 |
| Median household income | $65k | 2nd of 3 | 590th of 797 |
| Median home value | $119k | 3rd of 4 | 675th of 842 |
Its median household income is higher than in 38% of U.S. residential ZIP codes, and it is denser than 32% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 62326?
The 2020 Census counted 2,255 people in 62326; the ACS, which samples households over 2020-2024, estimates 2,236. Between the 2010 and 2020 censuses its population fell 9.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,236±311 (90% margin)
- 2020 Census count
- 2,255−9.0% since 2010 (2,478)
- Households
- 954
- Median age
- 40.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 62326?
Of the 2,236 people the ACS estimates in 62326, 25.8% are under 18 and 24.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.1%).
- Under 1825.8%
- 18 to 6449.4%
- 65 and older24.8%
- White, not Hispanic97.1%
- Hispanic or Latino1.6%
- Other or two or more1.3%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 62326 earn?
Median household income is $65,000 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in McDonough County. It is not measurably different from 2015-2019 ($54,995 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $65,000±$8,888
- Income per person
- $32,787
- Below the poverty line
- 7.3%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 26.7%
- Adjusted gross income per tax return, 2022
- $60,4011,050 returns; wages 64% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 62326?
- Median home value (owners' estimate)
- $119,000
- Median gross rent
- –
- Homes owned by their occupants
- 79.0%
- Housing units
- 1,088
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 62326?
34 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)8
- Construction5
- Retail trade3
- Transportation and warehousing3
- Administrative and support and waste management and remediation services3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 62326?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 62374 | Tennessee | 216 | $79k | 5.2 mi |
| 62367 | Plymouth | 1,294 | $58k | 8.9 mi |
| 61420 | Blandinsville | 968 | $69k | 9.2 mi |
| 61455 | Macomb | 17,317 | $49k | 9.3 mi |
| 62321 | Carthage | 3,576 | $77k | 14.9 mi |
| 61475 | Sciota | 180 | $85k | 12.4 mi (near) |
| 61450 | La Harpe | 1,812 | $60k | 13.7 mi (near) |
| 61440 | Industry | 744 | $67k | 13.8 mi (near) |
| 61416 | Bardolph | 204 | $29k | 14.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.