Residential delivery area · Illinois
ZIP Code 61604: Peoria, IL
ZIP code 61604 uses the postal name Peoria, Illinois and lies entirely in Peoria County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Peoria's 9 residential ZIP codes. Median household income is $52,414 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Peoria (35%), West Peoria (14%), Bellevue (13%) and Norwood (2%); 36% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Peoria · 9 residential ZIPs
- County
- Peoria County
- Census places
- Peoria (35%); West Peoria (14%); Bellevue (13%); Norwood (2%)
- Metro area
- Peoria, IL
- House districts
- IL-17 (75%), IL-16 (25%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 15.2 sq mi · 1,863 people per sq mi
- PO Box ZIPs
- 20 more ZIP codes use the name Peoria for PO boxes or single organizations
Where is ZIP code 61604?
61604 centers on 40.705°, -89.653° and covers 15.2 square miles of land. It borders 7 ZIP codes: 61606, 61605, 61615, 61603, 61614, 61607, 61536.
The map draws ZIP code areas only. For the streets inside 61604, 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 61604 compare with the rest of Peoria?
| Measure | 61604 | In Peoria | In Peoria County | In IL |
|---|---|---|---|---|
| People (ACS 2020-2024) | 28,313 | 1st of 9 | 1st of 28 | 164th of 1,396 |
| Median household income | $52k | 4th of 7 | 15th of 18 | 731st of 797 |
| Median home value | $100k | 6th of 8 | 17th of 19 | 767th of 842 |
Its median household income is higher than in 18% of U.S. residential ZIP codes, and it is denser than 84% 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 61604?
The 2020 Census counted 29,344 people in 61604; the ACS, which samples households over 2020-2024, estimates 28,313. Between the 2010 and 2020 censuses its population fell 7.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 28,313
- 2020 Census count
- 29,344−7.3% since 2010 (31,647)
- Households
- 12,176
- 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 61604?
Of the 28,313 people the ACS estimates in 61604, 23.6% are under 18 and 20.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (56.0%), then Black (not Hispanic) (25.3%).
- Under 1823.6%
- 18 to 6456.4%
- 65 and older20.0%
- White, not Hispanic56.0%
- Black, not Hispanic25.3%
- Other or two or more9.2%
- Hispanic or Latino8.1%
- Asian, not Hispanic1.5%
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 61604 earn?
Median household income is $52,414 (ACS 2020-2024), the 15th highest of the 18 ranked ZIP codes in Peoria County. It is not measurably different from 2015-2019 ($57,427 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $52,414
- Income per person
- $29,724
- Below the poverty line
- 21.4%
- Unemployed (of the labor force)
- 6.8%
- Adults 25+ with a bachelor's degree
- 22.5%
- Adjusted gross income per tax return, 2022
- $48,44913,510 returns; wages 72% 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 61604?
FHFA's house price index for 61604, built from repeat sales and appraisals of the same homes, rose 49% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved +8.2% in 2025.
- Median home value (owners' estimate)
- $100,300
- Median gross rent
- $884
- Homes owned by their occupants
- 68.0%
- Housing units
- 13,202
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 61604?
426 business establishments had a location in this ZIP code in 2023, 34 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade85
- Accommodation and food services58
- Other services (except public administration)58
- Health care and social assistance57
- Construction33
- Administrative and support and waste management and remediation services23
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 61604?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61606 | Peoria | 6,684 | $39k | 2.2 mi |
| 61605 | Peoria | 13,424 | $26k | 2.2 mi |
| 61615 | Peoria | 23,523 | $80k | 3.2 mi |
| 61603 | Peoria | 15,356 | $42k | 4.1 mi |
| 61614 | Peoria | 27,370 | $67k | 4.5 mi |
| 61607 | Peoria | 10,600 | $76k | 5.7 mi |
| 61536 | Hanna City | 3,503 | $74k | 7.3 mi |
| 61625 | Peoria | 456 | – | 2.1 mi (near) |
| 61602 | Peoria | 1,163 | $34k | 3.1 mi (near) |
| 61616 | Peoria Heights | 5,825 | $60k | 5.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.