Residential delivery area · Illinois
ZIP Code 61370: Tonica, IL
ZIP code 61370 uses the postal name Tonica, Illinois and lies entirely in LaSalle County (Census 2020 ZIP-county file). About 1,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $91,094 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Tonica; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Tonica · its only residential ZIP
- County
- LaSalle County
- Census places
- Tonica
- Micro area
- Ottawa, IL
- House districts
- IL-16 (91%), IL-14 (9%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 44.6 sq mi · 27 people per sq mi
Where is ZIP code 61370?
61370 centers on 41.211°, -89.039° and covers 44.6 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 61332, 61348, 61334, 61354, 61326, 61364.
The map draws ZIP code areas only. For the streets inside 61370, 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 61370 compare with the rest of LaSalle County?
| Measure | 61370 | In LaSalle County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 1,215 | 16th of 28 | 842nd of 1,396 |
| Median household income | $91k | 4th of 14 | 272nd of 797 |
| Median home value | $155k | 11th of 16 | 533rd of 842 |
Its median household income is higher than in 74% 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 61370?
The 2020 Census counted 1,317 people in 61370; the ACS, which samples households over 2020-2024, estimates 1,215. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,215±207 (90% margin)
- 2020 Census count
- 1,317
- Households
- 471
- Median age
- 41.2
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 61370?
Of the 1,215 people the ACS estimates in 61370, 24.1% are under 18 and 20.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.6%).
- Under 1824.1%
- 18 to 6455.6%
- 65 and older20.3%
- White, not Hispanic89.6%
- Hispanic or Latino5.1%
- Other or two or more3.1%
- Black, not Hispanic1.7%
- Asian, not Hispanic0.4%
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 61370 earn?
Median household income is $91,094 (ACS 2020-2024), the 4th highest of the 14 ranked ZIP codes in LaSalle County.
- Median household income
- $91,094±$13,728
- Income per person
- $38,350
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 17.6%
- Adjusted gross income per tax return, 2022
- $81,618710 returns; wages 62% 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 61370?
- Median home value (owners' estimate)
- $155,100
- Median gross rent
- $900
- Homes owned by their occupants
- 87.9%
- Housing units
- 506
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 61370?
32 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing9
- Accommodation and food services4
- Manufacturing3
- Retail trade3
- 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 61370?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61332 | Leonore | 104 | $50k | 3.2 mi |
| 61348 | Oglesby | 4,375 | $76k | 5.2 mi |
| 61334 | Lostant | 738 | $86k | 5.4 mi |
| 61354 | Peru | 10,290 | $76k | 10.1 mi |
| 61326 | Granville | 1,953 | $71k | 10.2 mi |
| 61364 | Streator | 17,963 | $59k | 11.4 mi |
| 61316 | Cedar Point | 256 | $74k | 5.6 mi (near) |
| 61363 | Standard | 250 | $60k | 8.0 mi (near) |
| 61377 | Wenona | 1,441 | $57k | 10.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.