Residential delivery area · Illinois
ZIP Code 61078: Shannon, IL
ZIP code 61078 uses the postal name Shannon, Illinois and lies mostly in Carroll County (66% of its land), reaching into Stephenson County and Ogle County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,769 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Shannon, and under 1% in smaller places; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Shannon · its only residential ZIP
- County
- Carroll County (66%); Stephenson County (18%); Ogle County (16%)
- Census places
- Shannon
- House districts
- IL-17 (84%), IL-16 (16%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 55.4 sq mi · 26 people per sq mi
Where is ZIP code 61078?
61078 centers on 42.167°, -89.731° and covers 55.4 square miles of land. It borders 5 ZIP codes: 61046, 61007, 61030, 61062, 61032.
The map draws ZIP code areas only. For the streets inside 61078, 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 61078 compare with the rest of Carroll County?
| Measure | 61078 | In Carroll County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 1,459 | 9th of 10 | 770th of 1,396 |
| Median household income | $76k | 3rd of 10 | 444th of 797 |
| Median home value | $133k | 6th of 10 | 620th of 842 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 31% 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 61078?
The 2020 Census counted 1,388 people in 61078; the ACS, which samples households over 2020-2024, estimates 1,459. Between the 2010 and 2020 censuses its population grew 1.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,459±262 (90% margin)
- 2020 Census count
- 1,388+1.0% since 2010 (1,374)
- Households
- 562
- Median age
- 39.8
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 61078?
Of the 1,459 people the ACS estimates in 61078, 27.6% are under 18 and 26.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.4%).
- Under 1827.6%
- 18 to 6445.6%
- 65 and older26.9%
- White, not Hispanic95.4%
- Other or two or more3.3%
- Hispanic or Latino1.0%
- Asian, not Hispanic0.2%
- Black, not Hispanic0.1%
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 61078 earn?
Median household income is $75,769 (ACS 2020-2024), the 3rd highest of the 10 ranked ZIP codes in Carroll County. It is not measurably different from 2015-2019 ($65,709 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,769±$8,833
- Income per person
- $30,558
- Below the poverty line
- 18.9%
- Unemployed (of the labor force)
- 0.8%
- Adults 25+ with a bachelor's degree
- 16.9%
- Adjusted gross income per tax return, 2022
- $66,847700 returns; wages 57% 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 61078?
- Median home value (owners' estimate)
- $133,100
- Median gross rent
- $715
- Homes owned by their occupants
- 87.0%
- Housing units
- 677
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 61078?
40 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)8
- Wholesale trade6
- Construction5
- Transportation and warehousing5
- Finance and insurance3
- 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 61078?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61046 | Lanark | 2,794 | $79k | 6.0 mi |
| 61007 | Baileyville | 196 | – | 7.5 mi |
| 61030 | Forreston | 2,194 | $72k | 7.8 mi |
| 61062 | Pearl City | 1,840 | $67k | 7.9 mi |
| 61032 | Freeport | 29,020 | $57k | 11.5 mi |
| 61027 | Eleroy | 33 | – | 11.5 mi (near) |
| 61051 | Milledgeville | 1,469 | $60k | 12.8 mi (near) |
| 61053 | Mount Carroll | 2,590 | $62k | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.