Residential delivery area · Illinois
ZIP Code 61489: Williamsfield, IL
ZIP code 61489 uses the postal name Williamsfield, Illinois and lies mostly in Knox County (97% of its land) with the rest in Peoria County (Census 2020 ZIP-county file). About 820 people live there (Census Bureau, ACS 2020-2024). Median household income is $98,125 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Williamsfield; 97% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Williamsfield · its only residential ZIP
- County
- Knox County (97%); Peoria County (3%)
- Census places
- Williamsfield
- Micro area
- Galesburg, IL
- House districts
- IL-17 (97%), IL-16 (3%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 47.1 sq mi · 17 people per sq mi
Where is ZIP code 61489?
61489 centers on 40.931°, -90.033° and covers 47.1 square miles of land plus 0.1 of water. It borders 9 ZIP codes: 61428, 61451, 61485, 61572, 61436, 61529, 61449, 61458, 61483.
The map draws ZIP code areas only. For the streets inside 61489, 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 61489 compare with the rest of Knox County?
| Measure | 61489 | In Knox County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 820 | 12th of 23 | 968th of 1,396 |
| Median household income | $98k | not ranked | not ranked |
| Median home value | $149k | not ranked | not ranked |
61489's income and home value are not ranked: it has fewer than 1,000 residents (820). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 24% of 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 61489?
The 2020 Census counted 915 people in 61489; the ACS, which samples households over 2020-2024, estimates 820. Between the 2010 and 2020 censuses its population grew 1.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 820±188 (90% margin)
- 2020 Census count
- 915+1.7% since 2010 (900)
- Households
- 340
- Median age
- 45.6
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 61489?
Of the 820 people the ACS estimates in 61489, 20.7% are under 18 and 22.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.3%).
- Under 1820.7%
- 18 to 6457.0%
- 65 and older22.3%
- White, not Hispanic89.3%
- Black, not Hispanic5.6%
- Asian, not Hispanic2.3%
- Hispanic or Latino1.6%
- Other or two or more1.2%
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 61489 earn?
Median household income is $98,125 (ACS 2020-2024). It rose from $62,256 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $98,125±$21,039
- Income per person
- $49,509
- Below the poverty line
- 3.4%
- Unemployed (of the labor force)
- 2.5%
- Adults 25+ with a bachelor's degree
- 25.1%
- Adjusted gross income per tax return, 2022
- $70,720460 returns; wages 67% 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 61489?
- Median home value (owners' estimate)
- $148,500
- Median gross rent
- $642
- Homes owned by their occupants
- 95.3%
- Housing units
- 428
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 61489?
24 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade6
- Wholesale 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 61489?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61428 | Dahinda | 1,278 | $77k | 4.2 mi |
| 61451 | Laura | 272 | $44k | 4.9 mi |
| 61485 | Victoria | 417 | $59k | 6.6 mi |
| 61572 | Yates City | 732 | $73k | 9.2 mi |
| 61436 | Gilson | 745 | $76k | 11.1 mi |
| 61529 | Elmwood | 2,763 | $92k | 11.4 mi |
| 61449 | La Fayette | 339 | $52k | 11.7 mi |
| 61458 | Maquon | 656 | $66k | 12.9 mi |
| 61483 | Toulon | 1,801 | $64k | 13.3 mi |
| 61448 | Knoxville | 3,947 | $83k | 11.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.