Residential delivery area · Illinois
ZIP Code 61115: Machesney Park, IL
ZIP code 61115 is in Machesney Park, Illinois, entirely in Winnebago County (Census 2020 ZIP-county file). About 22,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,363 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Machesney Park · its only residential ZIP
- County
- Winnebago County
- Census places
- Machesney Park
- Metro area
- Rockford, IL
- House district
- IL-16 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 10.6 sq mi · 2,100 people per sq mi
Where is ZIP code 61115?
61115 centers on 42.363°, -89.024° and covers 10.6 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 61111, 61103, 61073, 61011.
The map draws ZIP code areas only. For the streets inside 61115, 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 61115 compare with the rest of Winnebago County?
| Measure | 61115 | In Winnebago County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 22,364 | 6th of 25 | 218th of 1,396 |
| Median household income | $75k | 14th of 22 | 452nd of 797 |
| Median home value | $173k | 13th of 21 | 452nd of 842 |
Its median household income is higher than in 55% of U.S. residential ZIP codes, and it is denser than 85% 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 61115?
The 2020 Census counted 22,599 people in 61115; the ACS, which samples households over 2020-2024, estimates 22,364. Between the 2010 and 2020 censuses its population fell 2.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,364
- 2020 Census count
- 22,599−2.5% since 2010 (23,180)
- Households
- 8,463
- Median age
- 40.2
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 61115?
Of the 22,364 people the ACS estimates in 61115, 23.6% are under 18 and 17.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.1%).
- Under 1823.6%
- 18 to 6459.4%
- 65 and older17.0%
- White, not Hispanic80.1%
- Hispanic or Latino8.7%
- Other or two or more7.0%
- Asian, not Hispanic2.1%
- Black, not Hispanic2.0%
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 61115 earn?
Median household income is $75,363 (ACS 2020-2024), the 14th highest of the 22 ranked ZIP codes in Winnebago County. It is not measurably different from 2015-2019 ($78,115 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,363
- Income per person
- $36,535
- Below the poverty line
- 13.8%
- Unemployed (of the labor force)
- 7.2%
- Adults 25+ with a bachelor's degree
- 19.3%
- Adjusted gross income per tax return, 2022
- $59,26311,120 returns; wages 78% 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 61115?
FHFA's house price index for 61115, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 67% from 2020 to 2025, and moved +6.1% in 2025.
- Median home value (owners' estimate)
- $172,600
- Median gross rent
- $1,104
- Homes owned by their occupants
- 79.5%
- Housing units
- 9,004
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 61115?
449 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade82
- Construction53
- Other services (except public administration)51
- Manufacturing47
- Accommodation and food services47
- Health care and social assistance33
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 61115?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61111 | Loves Park | 23,286 | $61k | 2.2 mi |
| 61103 | Rockford | 22,869 | $51k | 3.5 mi |
| 61073 | Roscoe | 20,194 | $102k | 4.5 mi |
| 61011 | Caledonia | 2,676 | $127k | 6.8 mi |
| 61114 | Rockford | 15,325 | $86k | 4.2 mi (near) |
| 61107 | Rockford | 30,765 | $79k | 5.5 mi (near) |
| 61101 | Rockford | 19,318 | $46k | 6.3 mi (near) |
| 61108 | Rockford | 30,355 | $64k | 7.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.