Residential delivery area · Illinois
ZIP Code 61011: Caledonia, IL
ZIP code 61011 uses the postal name Caledonia, Illinois and lies mostly in Boone County (82% of its land) with the rest in Winnebago County (Census 2020 ZIP-county file). About 2,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $127,273 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Loves Park (6%), Caledonia (3%) and Argyle (2%), and 4% in smaller places; 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Caledonia · its only residential ZIP
- County
- Boone County (82%); Winnebago County (18%)
- Census places
- Loves Park (6%); Caledonia (3%); Argyle (2%) census-designated place
- Metro area
- Rockford, IL
- House district
- IL-16 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 38.5 sq mi · 69 people per sq mi
Where is ZIP code 61011?
61011 centers on 42.392°, -88.897° and covers 38.5 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 61065, 61073, 61111, 61115, 61080, 61114, 61008.
The map draws ZIP code areas only. For the streets inside 61011, 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 61011 compare with the rest of Boone County?
| Measure | 61011 | In Boone County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 2,676 | 11th of 15 | 597th of 1,396 |
| Median household income | $127k | 1st of 15 | 63rd of 797 |
| Median home value | $312k | 1st of 14 | 173rd of 842 |
Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 48% 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 61011?
The 2020 Census counted 2,899 people in 61011; the ACS, which samples households over 2020-2024, estimates 2,676. Between the 2010 and 2020 censuses its population fell 1.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,676±496 (90% margin)
- 2020 Census count
- 2,899−1.6% since 2010 (2,945)
- Households
- 1,028
- Median age
- 44.8
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 61011?
Of the 2,676 people the ACS estimates in 61011, 14.0% are under 18 and 20.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.8%), then Hispanic or Latino (18.2%).
- Under 1814.0%
- 18 to 6465.8%
- 65 and older20.2%
- White, not Hispanic77.8%
- Hispanic or Latino18.2%
- Other or two or more3.3%
- Black, not Hispanic0.6%
- 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 61011 earn?
Median household income is $127,273 (ACS 2020-2024), the highest of the 15 ranked ZIP codes in Boone County. It fell from $186,733 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $127,273±$21,939
- Income per person
- $63,265
- Below the poverty line
- 4.3%
- Unemployed (of the labor force)
- 9.4%
- Adults 25+ with a bachelor's degree
- 39.6%
- Adjusted gross income per tax return, 2022
- $123,8131,440 returns; wages 58% 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 61011?
FHFA's house price index for 61011, built from repeat sales and appraisals of the same homes, rose 87% from 2015 to 2025 and rose 64% from 2020 to 2025, and moved +8.9% in 2025.
- Median home value (owners' estimate)
- $311,900
- Median gross rent
- $1,685
- Homes owned by their occupants
- 93.5%
- Housing units
- 1,048
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 61011?
58 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction19
- Wholesale trade10
- Manufacturing7
- Professional, scientific, and technical services4
- Health care and social assistance4
- Other services (except public administration)3
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 61011?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61065 | Poplar Grove | 10,570 | $97k | 3.1 mi |
| 61073 | Roscoe | 20,194 | $102k | 5.4 mi |
| 61111 | Loves Park | 23,286 | $61k | 6.7 mi |
| 61115 | Machesney Park | 22,364 | $75k | 6.8 mi |
| 61080 | South Beloit | 10,955 | $77k | 7.6 mi |
| 61114 | Rockford | 15,325 | $86k | 7.6 mi |
| 61008 | Belvidere | 33,582 | $77k | 10.5 mi |
| 61012 | Capron | 2,264 | $99k | 6.8 mi (near) |
| 61107 | Rockford | 30,765 | $79k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.