61603 ZIP Code — Peoria, IL

Peoria County, Illinois

ZIP code 61603 is located in Peoria, Illinois, within Peoria County. It covers approximately 4.23 square miles and serves a population of 15,789 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61603

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 $69,600. Owner-occupancy sits near the national average at 48%.

Median household income is $41,069. Poverty affects 31% of residents, above the national average. SNAP benefit usage at 36% of households reflects economic stress in the area. 30% of households receive Social Security income, suggesting a notable retiree or disability population.

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

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Overall, ZIP code 61603 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

15,789

population

4.23

sq mi land

Standard

ZIP type

Central (CT)

timezone

61603 ZIP code map

Cities in ZIP code 61603

Below are the cities the US Postal Service accepts for ZIP code 61603. Using any city not on this list may result in mail delivery delays.

City	Status
Peoria	Preferred

Nearby ZIP codes

61630 Peoria (1.5 mi) 61636 Peoria (1.5 mi) 61633 Peoria (1.5 mi) 61639 Peoria (1.5 mi) 61643 Peoria (1.5 mi) 61637 Peoria (1.5 mi) 61634 Peoria (1.5 mi) 61613 Peoria (1.5 mi) 61641 Peoria (1.5 mi) 61629 Peoria (1.5 mi) 61638 Peoria (1.5 mi) 61611 East Peoria (1.8 mi)

Demographics updated 06/2026

Population
Total population	15,789
Population density	3,733 / sq mi
State FIPS	17
County FIPS	143

Geography
Land area	4.23 sq mi
Water area	0.97 sq mi
Latitude	40.7105
Longitude	-89.5705
Timezone	Central (CT)
Area code	309

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.8%	44.8%	37.2%
$50k – $100k	21.4%	30.9%	29.6%
$100k – $200k	11.2%	19.2%	24.4%
Over $200k	0.6%	5.2%	8.8%

Demographics & statistics

15,789

Population

3,733

People per sq mi

35.3

Median age

$41,069

Median household income

$22,682

Per capita income

$69,600

Median home value

$961

Median monthly rent

47.8%

Home ownership

31.0%

Poverty rate

17.6%

Unemployment

4,827

Housing units

16.6%

Bachelor's or higher

Age distribution

Male Female

459

Under 5

436

711

5–9

675

588

10–14

558

594

15–19

563

684

20–24

649

968

25–34

919

1,161

35–44

1,101

971

45–54

922

490

55–59

465

510

60–64

483

662

65–74

628

197

75–84

187

107

85+

101

← Male

Female →

Age summary

Group	Count	%
Under 18	4,093	25.9%
18 and over	11,696	74.1%
65 and over	1,882	11.9%
Median age	35.3 years

Race & ethnicity

White 40.1%

Black or African American 38.6%

Two or more races 12.3%

Hispanic or Latino 5.4%

Other race 2.6%

Asian 0.7%

American Indian / Alaska Native 0.1%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	6,694	40.1%
Black or African American	6,441	38.6%
Two or more races	2,057	12.3%
Hispanic or Latino	910	5.4%
Other race	441	2.6%
Asian	120	0.7%
American Indian / Alaska Native	23	0.1%
Native Hawaiian / Pacific Islander	13	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.8%	44.8%	37.2%
$50k – $100k	21.4%	30.9%	29.6%
$100k – $200k	11.2%	19.2%	24.4%
Over $200k	0.6%	5.2%	8.8%

Under $10k 10.2%

$10k–$15k 8.6%

$15k–$25k 13.5%

$25k–$35k 12.4%

$35k–$50k 16.7%

$50k–$75k 15.7%

$75k–$100k 9.7%

$100k–$150k 9.9%

$150k–$200k 2.4%

$200k+ 1.1%

Range	% of households
Under $10k	10.2%
$10k–$15k	8.6%
$15k–$25k	13.5%
$25k–$35k	12.4%
$35k–$50k	16.7%
$50k–$75k	15.7%
$75k–$100k	9.7%
$100k–$150k	9.9%
$150k–$200k	2.4%
$200k+	1.1%
Median income	$41,069

Housing

Home values

Under $50k 28.9%

$50k–$100k 48.4%

$100k–$150k 12.5%

$150k–$200k 5.7%

$200k–$300k 2.3%

$300k–$500k 1.6%

$500k–$1M 0.6%

Housing overview

Metric	Value
Median home value	$69,600
Median rent / month	$961
Owner occupied	47.8%
Renter occupied	52.2%
Vacant	20.7%
Single-family detached	75.3%
Large apartment buildings	6.0%
Mobile homes	0.6%
Median rooms	5.4
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.2%
2010–2019	1.0%
2000–2009	1.3%
1990–1999	1.7%
1980–1989	3.3%
1970–1979	7.1%
1960–1969	6.6%
1950–1959	16.0%
1940–1949	14.0%
1939 or earlier	48.8%

Bedrooms

Size	% of units
No bedroom (studio)	4.1%
1 bedroom	15.2%
2 bedrooms	32.5%
3 bedrooms	37.0%
4 bedrooms	8.8%
5+ bedrooms	2.4%

Vehicles per household

Vehicles	% of households
No vehicle	15.5%
1 vehicle	49.3%
2 vehicles	28.7%
3 or more	6.5%

Heating fuel

Fuel type	%
Utility gas	79.8%
Electricity	18.9%
Propane / LP gas	0.4%
Wood	0.2%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	1,196	18.3%
Cohabiting couple	775	11.9%
Male householder, no spouse	1,646	25.2%
Female householder, no spouse	2,911	44.6%
Households with children under 18	1,632	25.0%
Households with seniors (65+)	1,653	25.3%
Average household size	2.37

Marital status

Status	Male	Female
Never married	59.9%	52.5%
Married	22.1%	21.4%
Separated	1.2%	1.8%
Widowed	1.2%	6.0%
Divorced	15.7%	18.4%

Education

Less than 9th grade 2.8%

Some HS, no diploma 11.5%

HS graduate 37.9%

Some college, no degree 23.6%

Associate's degree 7.7%

Bachelor's degree 12.5%

Graduate / professional 4.1%

Metric	%
HS diploma or higher	85.7%
Bachelor's or higher	16.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	161	3.6%
Kindergarten	215	4.8%
Elementary school	2,182	48.6%
High school	909	20.3%
College / grad school	1,020	22.7%

Employment

Industry of employment

Education & healthcare 29.6%

Arts, food & hospitality 15.8%

Manufacturing 12.9%

Retail trade 10.2%

Professional & management 8.2%

Construction 5.3%

Other services 5.0%

Transportation & utilities 4.4%

Wholesale trade 3.2%

Finance & real estate 3.2%

Public administration 1.4%

Information 0.5%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	23.8%
Service	30.4%
Sales & office	19.4%
Natural resources & construction	7.0%
Production & transportation	19.4%

Employment type

Type	%
Private sector	87.2%
Government	9.1%
Self-employed	3.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.4%
Carpool	14.9%
Public transit	1.7%
Walk	3.7%
Work from home	3.8%
Other means	0.6%
Avg commute (minutes)	16.7

Poverty

All people 31.0%

Under 18 years 48.7%

18 and over 24.8%

Married-couple families 7.8%

Female-led households 33.0%

Income support

Source	% of households
Social Security	30.2%
Retirement income	22.2%
Supplemental Security	7.9%
Cash public assistance	6.8%
Food stamps / SNAP	36.2%

Health indicators

Condition	%
Obesity	42.5%
High blood pressure	35.6%
High cholesterol	30.6%
Diabetes	12.6%
Heart disease	6.3%
Stroke	3.9%
Asthma	12.3%
Arthritis	25.0%
Kidney disease	3.3%
Pulmonary disease	8.8%
Cancer	4.8%

Behavior / access	%
Smoking	25.6%
Binge drinking	13.2%
No physical activity	33.1%
Less than 7 hrs sleep	38.2%
Depression	19.0%
Fair or poor health	22.5%
Poor mental health	16.2%
Poor physical health	13.2%
No health insurance	17.2%
Visited doctor (checkup)	76.4%
Visited dentist	51.7%
Cholesterol screening	85.1%
Teeth loss	22.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	502	4.3%

Disability	%
Any disability	17.5%
Under 18	3.4%
18–64 years	19.2%
65 and over	39.7%

Health insurance coverage

Type	%
Private insurance	41.6%
Public insurance	60.3%
No insurance	9.2%
Uninsured under 19	4.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,894	94.3%
Spanish	410	2.8%
Other Indo-European	336	2.3%
Asian & Pacific Islander	33	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,259	96.6%
Born in same state	15,124	95.8%
Born in different state	12,885	81.6%
Foreign born	135	0.9%
Naturalized citizen	530	3.4%
Not a US citizen	192	36.2%

Ancestry

Ancestry	Count	%
Italian	1,106	7%
French	793	5%
Arab	680	4.3%
English	58	0.4%

Ancestry	Count	%
Polish	40	0.3%
Irish	21	0.1%
Dutch	21	0.1%
Norwegian	9	0.1%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	91.9%

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

Frequently asked questions about ZIP code 61603

What city is ZIP code 61603 in?

ZIP code 61603 is primarily assigned to Peoria, Illinois.

What county is ZIP code 61603 in?

ZIP code 61603 falls within Peoria County, Illinois.

What is the poverty rate in ZIP code 61603?

31% of residents in ZIP code 61603 live below the poverty line, above the national average.

What is the typical home value in ZIP code 61603?

The median home value in ZIP code 61603 is $69,600.

What is the median household income in ZIP code 61603?

The median household income in ZIP code 61603 is $41,069, below the national median of ~$75,000.

What is the population of ZIP code 61603?

ZIP code 61603 has an estimated population of 15,789 residents, with a density of 3,737 people per square mile.

What timezone is ZIP code 61603 in?

ZIP code 61603 observes the CST timezone.