Residential delivery area · Illinois
ZIP Code 61530: Eureka, IL
ZIP code 61530 uses the postal name Eureka, Illinois and lies mostly in Woodford County (96% of its land) with the rest in Tazewell County (Census 2020 ZIP-county file). About 6,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $68,536 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Eureka; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Eureka · its only residential ZIP
- County
- Woodford County (96%); Tazewell County (4%)
- Census places
- Eureka
- Metro area
- Peoria, IL
- House district
- IL-16 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 63.7 sq mi · 102 people per sq mi
Where is ZIP code 61530?
61530 centers on 40.709°, -89.265° and covers 63.7 square miles of land plus 0.1 of water. It borders 8 ZIP codes: 61742, 61729, 61771, 61733, 61561, 61571, 61725, 61548.
The map draws ZIP code areas only. For the streets inside 61530, 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 61530 compare with the rest of Woodford County?
| Measure | 61530 | In Woodford County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 6,470 | 3rd of 16 | 434th of 1,396 |
| Median household income | $69k | 10th of 10 | 538th of 797 |
| Median home value | $163k | 10th of 13 | 494th of 842 |
Its median household income is higher than in 44% of U.S. residential ZIP codes, and it is denser than 54% 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 61530?
The 2020 Census counted 6,698 people in 61530; the ACS, which samples households over 2020-2024, estimates 6,470. Between the 2010 and 2020 censuses its population fell 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,470
- 2020 Census count
- 6,698−0.2% since 2010 (6,713)
- Households
- 2,695
- Median age
- 40.3
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 61530?
Of the 6,470 people the ACS estimates in 61530, 20.7% are under 18 and 21.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.7%).
- Under 1820.7%
- 18 to 6457.4%
- 65 and older21.9%
- White, not Hispanic91.7%
- Other or two or more4.6%
- Hispanic or Latino2.1%
- Black, not Hispanic1.4%
- Asian, not Hispanic0.2%
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 61530 earn?
Median household income is $68,536 (ACS 2020-2024), the 10th highest of the 10 ranked ZIP codes in Woodford County. It is not measurably different from 2015-2019 ($74,373 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $68,536±$15,499
- Income per person
- $41,470
- Below the poverty line
- 8.5%
- Unemployed (of the labor force)
- 5.9%
- Adults 25+ with a bachelor's degree
- 33.0%
- Adjusted gross income per tax return, 2022
- $86,2592,900 returns; wages 63% 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 61530?
FHFA's house price index for 61530, built from repeat sales and appraisals of the same homes, rose 44% from 2015 to 2025 and rose 36% from 2020 to 2025, and moved +6.7% in 2025.
- Median home value (owners' estimate)
- $163,200
- Median gross rent
- $706
- Homes owned by their occupants
- 75.5%
- Housing units
- 3,004
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 61530?
173 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)26
- Construction25
- Retail trade23
- Professional, scientific, and technical services16
- Finance and insurance15
- Health care and social assistance13
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 61530?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61742 | Goodfield | 1,542 | $112k | 5.1 mi |
| 61729 | Congerville | 1,263 | $101k | 6.0 mi |
| 61771 | Secor | 1,106 | $102k | 6.1 mi |
| 61733 | Deer Creek | 984 | $98k | 6.8 mi |
| 61561 | Roanoke | 2,393 | $86k | 7.4 mi |
| 61571 | Washington | 24,470 | $90k | 8.4 mi |
| 61725 | Carlock | 1,459 | $126k | 9.8 mi |
| 61548 | Metamora | 12,037 | $129k | 10.9 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.