61604 ZIP Code — Peoria, IL

Peoria County, Illinois

ZIP code 61604 is located in Peoria, Illinois, within Peoria County. It covers approximately 15.19 square miles and serves a population of 28,220 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61604

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $96,500. Owner-occupancy sits near the national average at 66%.

Median household income is $49,740. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 21% of households reflects economic stress in the area. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 17 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61604 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

28,220

population

15.19

sq mi land

Standard

ZIP type

Central (CT)

timezone

61604 ZIP code map

Cities in ZIP code 61604

Below are the cities the US Postal Service accepts for ZIP code 61604. Using any city not on this list may result in mail delivery delays.

City	Status
Peoria	Acceptable
Peoria	Preferred

Nearby ZIP codes

61605 Peoria (2.2 mi) 61625 Peoria (2.3 mi) 61606 Peoria (2.6 mi) 61602 Peoria (3.2 mi) 61637 Peoria (3.8 mi) 61636 Peoria (3.8 mi) 61630 Peoria (3.8 mi) 61638 Peoria (3.8 mi) 61613 Peoria (3.8 mi) 61629 Peoria (3.8 mi) 61634 Peoria (3.8 mi) 61633 Peoria (3.8 mi)

Demographics updated 05/2026

Population
Total population	28,220
Population density	1,858 / sq mi
State FIPS	17
County FIPS	143

Geography
Land area	15.19 sq mi
Water area	0.00 sq mi
Latitude	40.7038
Longitude	-89.6593
Timezone	Central (CT)
Area code	309

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.5%	44.8%	37.2%
$50k – $100k	32.5%	30.9%	29.6%
$100k – $200k	12.7%	19.2%	24.4%
Over $200k	1.4%	5.2%	8.8%

Demographics & statistics

28,220

Population

1,858

People per sq mi

39.7

Median age

$49,740

Median household income

$28,222

Per capita income

$96,500

Median home value

$892

Median monthly rent

66.2%

Home ownership

19.7%

Poverty rate

6.0%

Unemployment

9,295

Housing units

21.7%

Bachelor's or higher

Age distribution

Male Female

850

Under 5

909

973

5–9

1,039

632

10–14

676

836

15–19

894

745

20–24

795

1,973

25–34

2,107

1,624

35–44

1,735

1,463

45–54

1,563

926

55–59

990

984

60–64

1,052

1,423

65–74

1,521

739

75–84

790

475

85+

507

← Male

Female →

Age summary

Group	Count	%
Under 18	6,087	21.6%
18 and over	22,133	78.4%
65 and over	5,455	19.3%
Median age	39.7 years

Race & ethnicity

White 58.1%

Black or African American 24.3%

Two or more races 6.6%

Hispanic or Latino 6%

Other race 3.5%

Asian 1.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	17,440	58.1%
Black or African American	7,278	24.3%
Two or more races	1,992	6.6%
Hispanic or Latino	1,786	6%
Other race	1,047	3.5%
Asian	389	1.3%
American Indian / Alaska Native	74	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.5%	44.8%	37.2%
$50k – $100k	32.5%	30.9%	29.6%
$100k – $200k	12.7%	19.2%	24.4%
Over $200k	1.4%	5.2%	8.8%

Under $10k 7.9%

$10k–$15k 6.2%

$15k–$25k 10.3%

$25k–$35k 9.2%

$35k–$50k 16.7%

$50k–$75k 17.8%

$75k–$100k 14.1%

$100k–$150k 11.7%

$150k–$200k 3.9%

$200k+ 2.1%

Range	% of households
Under $10k	7.9%
$10k–$15k	6.2%
$15k–$25k	10.3%
$25k–$35k	9.2%
$35k–$50k	16.7%
$50k–$75k	17.8%
$75k–$100k	14.1%
$100k–$150k	11.7%
$150k–$200k	3.9%
$200k+	2.1%
Median income	$49,740

Housing

Home values

Under $50k 17.1%

$50k–$100k 36.3%

$100k–$150k 27.5%

$150k–$200k 11.4%

$200k–$300k 4.9%

$300k–$500k 1.9%

$500k–$1M 0.3%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$96,500
Median rent / month	$892
Owner occupied	66.2%
Renter occupied	33.8%
Vacant	9.8%
Single-family detached	74.3%
Large apartment buildings	4.8%
Mobile homes	4.2%
Median rooms	5.4
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	0.0%
2010–2019	0.1%
2000–2009	4.2%
1990–1999	4.6%
1980–1989	6.4%
1970–1979	12.5%
1960–1969	11.0%
1950–1959	18.7%
1940–1949	14.1%
1939 or earlier	28.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	12.6%
2 bedrooms	37.3%
3 bedrooms	36.8%
4 bedrooms	9.9%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	13.1%
1 vehicle	37.0%
2 vehicles	33.2%
3 or more	16.7%

Heating fuel

Fuel type	%
Utility gas	71.1%
Electricity	27.1%
Propane / LP gas	1.0%
Fuel oil	0.1%
Wood	0.1%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	3,644	30.2%
Cohabiting couple	1,470	12.2%
Male householder, no spouse	2,829	23.5%
Female householder, no spouse	4,113	34.1%
Households with children under 18	3,045	25.3%
Households with seniors (65+)	3,792	31.5%
Average household size	2.23

Marital status

Status	Male	Female
Never married	43.7%	38.3%
Married	35.8%	32.2%
Separated	1.7%	1.6%
Widowed	4.4%	11.5%
Divorced	14.3%	16.3%

Education

Less than 9th grade 4.3%

Some HS, no diploma 7.9%

HS graduate 32.8%

Some college, no degree 24.1%

Associate's degree 9.4%

Bachelor's degree 15.1%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	87.9%
Bachelor's or higher	21.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	320	5.6%
Kindergarten	645	11.4%
Elementary school	2,013	35.5%
High school	1,406	24.8%
College / grad school	1,287	22.7%

Employment

Industry of employment

Education & healthcare 27.1%

Arts, food & hospitality 13.8%

Retail trade 11.6%

Professional & management 10.4%

Manufacturing 10.2%

Transportation & utilities 5.6%

Finance & real estate 5.5%

Other services 4.7%

Construction 4.2%

Public administration 3.5%

Information 1.4%

Wholesale trade 1.2%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	31.0%
Service	26.7%
Sales & office	20.8%
Natural resources & construction	6.9%
Production & transportation	14.7%

Employment type

Type	%
Private sector	85.6%
Government	9.1%
Self-employed	5.2%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	80.7%
Carpool	7.5%
Public transit	1.6%
Walk	1.7%
Work from home	7.3%
Other means	1.2%
Avg commute (minutes)	16.5

Poverty

All people 19.7%

Under 18 years 26.5%

18 and over 17.7%

Married-couple families 4.7%

Female-led households 35.3%

Income support

Source	% of households
Social Security	33.4%
Retirement income	21.8%
Supplemental Security	4.4%
Cash public assistance	4.4%
Food stamps / SNAP	21.2%

Health indicators

Condition	%
Obesity	37.0%
High blood pressure	35.2%
High cholesterol	33.0%
Diabetes	11.2%
Heart disease	6.7%
Stroke	3.6%
Asthma	10.8%
Arthritis	26.9%
Kidney disease	3.2%
Pulmonary disease	7.6%
Cancer	6.7%

Behavior / access	%
Smoking	19.2%
Binge drinking	13.4%
No physical activity	27.1%
Less than 7 hrs sleep	34.1%
Depression	17.5%
Fair or poor health	16.6%
Poor mental health	13.6%
Poor physical health	10.8%
No health insurance	12.6%
Visited doctor (checkup)	77.5%
Visited dentist	62.2%
Cholesterol screening	88.9%
Teeth loss	16.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,172	5.3%

Disability	%
Any disability	15.7%
Under 18	4.4%
18–64 years	13.1%
65 and over	38.5%

Health insurance coverage

Type	%
Private insurance	54.6%
Public insurance	47.9%
No insurance	8.6%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,461	93.8%
Spanish	679	2.6%
Other Indo-European	426	1.6%
Asian & Pacific Islander	8	0.0%
Other languages	191	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	26,775	94.9%
Born in same state	26,478	93.8%
Born in different state	22,407	79.4%
Foreign born	297	1.1%
Naturalized citizen	1,445	5.1%
Not a US citizen	574	39.7%

Ancestry

Ancestry	Count	%
Italian	2,805	9.9%
French	2,137	7.6%
Arab	1,223	4.3%
English	268	0.9%

Ancestry	Count	%
Polish	195	0.7%
German	48	0.2%
Irish	47	0.2%
Dutch	18	0.1%

Technology access

Metric	% of households
Computer access	42.7%
Internet access	89.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61604

What city is ZIP code 61604 in?

ZIP code 61604 is primarily assigned to Peoria, Illinois.

What county is ZIP code 61604 in?

ZIP code 61604 falls within Peoria County, Illinois.

What is the poverty rate in ZIP code 61604?

20% of residents in ZIP code 61604 live below the poverty line, above the national average.

What is the typical home value in ZIP code 61604?

The median home value in ZIP code 61604 is $96,500.

What is the population of ZIP code 61604?

ZIP code 61604 has an estimated population of 28,220 residents, with a density of 1,857 people per square mile.

What is the median household income in ZIP code 61604?

The median household income in ZIP code 61604 is $49,740, below the national median of ~$75,000.

What timezone is ZIP code 61604 in?

ZIP code 61604 observes the CST timezone.