66603 ZIP Code — Topeka, KS

Shawnee County, Kansas

ZIP code 66603 is located in Topeka, Kansas, within Shawnee County. It covers approximately 0.89 square miles and serves a population of 1,338 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66603

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the pre-1940, giving the area an established character. Median home value is $91,500. Renters make up the majority at 74%, typical of denser urban areas.

Median household income is $37,663. Poverty affects 27% of residents, above the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with arts, entertainment, and food service as the leading industry. The average commute of 13 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (45%), smoking (27%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 29%.

Overall, ZIP code 66603 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and a significant Social Security-dependent population.

1,338

population

0.89

sq mi land

Standard

ZIP type

Central (CT)

timezone

66603 ZIP code map

Cities in ZIP code 66603

Below are the cities the US Postal Service accepts for ZIP code 66603. Using any city not on this list may result in mail delivery delays.

City	Status
Topeka	Preferred

Nearby ZIP codes

66683 Topeka (0.3 mi) 66621 Topeka (0.4 mi) 66625 Topeka (0.5 mi) 66626 Topeka (0.5 mi) 66629 Topeka (0.5 mi) 66620 Topeka (0.5 mi) 66622 Topeka (0.5 mi) 66699 Topeka (0.5 mi) 66636 Topeka (0.5 mi) 66612 Topeka (1.1 mi) 66608 Topeka (1.4 mi) 66607 Topeka (2.4 mi)

Demographics updated 05/2026

Population
Total population	1,338
Population density	1,503 / sq mi
State FIPS	20
County FIPS	177

Geography
Land area	0.89 sq mi
Water area	0.06 sq mi
Latitude	39.0557
Longitude	-95.6733
Timezone	Central (CT)
Area code	785

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	76.2%	42.8%	41.1%
$50k – $100k	23.5%	33.8%	32.2%
$100k – $200k	0.3%	19.4%	21.0%
Over $200k	0.0%	4.0%	5.7%

Demographics & statistics

1,338

Population

1,503

People per sq mi

28.7

Median age

$37,663

Median household income

$23,372

Per capita income

$91,500

Median home value

$604

Median monthly rent

26.5%

Home ownership

26.9%

Poverty rate

3.6%

Unemployment

552

Housing units

17.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	428	32.0%
18 and over	910	68.0%
65 and over	161	12.0%
Median age	28.7 years

Race & ethnicity

White 50.4%

Two or more races 25.9%

Black or African American 8.3%

Hispanic or Latino 7%

Other race 7%

American Indian / Alaska Native 1.5%

Group	Count	%
White	725	50.4%
Two or more races	372	25.9%
Black or African American	119	8.3%
Hispanic or Latino	101	7%
Other race	101	7%
American Indian / Alaska Native	21	1.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	76.2%	42.8%	41.1%
$50k – $100k	23.5%	33.8%	32.2%
$100k – $200k	0.3%	19.4%	21.0%
Over $200k	0.0%	4.0%	5.7%

Under $10k 14.6%

$10k–$15k 13.0%

$15k–$25k 16.0%

$25k–$35k 3.1%

$35k–$50k 19.3%

$50k–$75k 21.0%

$75k–$100k 8.3%

$100k–$150k 2.5%

$200k+ 2.3%

Range	% of households
Under $10k	14.6%
$10k–$15k	13.0%
$15k–$25k	16.0%
$25k–$35k	3.1%
$35k–$50k	19.3%
$50k–$75k	21.0%
$75k–$100k	8.3%
$100k–$150k	2.5%
$200k+	2.3%
Median income	$37,663

Housing

Home values

Under $50k 8.1%

$50k–$100k 62.4%

$100k–$150k 20.8%

$300k–$500k 8.7%

Housing overview

Metric	Value
Median home value	$91,500
Median rent / month	$604
Owner occupied	26.5%
Renter occupied	73.5%
Vacant	36.8%
Single-family detached	27.7%
Large apartment buildings	20.2%
Mobile homes	0.0%
Median rooms	3.9
Avg household size (owned)	3.97

Year built

Era	%
2020 or later	0.0%
2010–2019	3.7%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	6.4%
1970–1979	12.7%
1960–1969	15.2%
1950–1959	14.2%
1940–1949	3.9%
1939 or earlier	43.9%

Bedrooms

Size	% of units
No bedroom (studio)	23.2%
1 bedroom	35.5%
2 bedrooms	19.9%
3 bedrooms	19.6%
4 bedrooms	0.9%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	24.2%
1 vehicle	52.6%
2 vehicles	19.0%
3 or more	4.1%

Heating fuel

Fuel type	%
Utility gas	66.7%
Electricity	31.0%
Propane / LP gas	2.3%

Households & families

Household type	Count	%
Married-couple family	105	16.1%
Cohabiting couple	10	1.5%
Male householder, no spouse	321	49.2%
Female householder, no spouse	216	33.1%
Households with children under 18	147	22.5%
Households with seniors (65+)	136	20.9%
Average household size	2.02

Marital status

Status	Male	Female
Never married	58.8%	56.2%
Married	16.9%	23.4%
Separated	3.7%	0.0%
Widowed	7.4%	0.4%
Divorced	13.2%	19.9%

Education

Less than 9th grade 4.8%

Some HS, no diploma 4.3%

HS graduate 48.0%

Some college, no degree 24.1%

Associate's degree 1.1%

Bachelor's degree 8.0%

Graduate / professional 9.7%

Metric	%
HS diploma or higher	90.9%
Bachelor's or higher	17.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	214	45.1%
High school	170	35.9%
College / grad school	90	19.0%

Employment

Industry of employment

Arts, food & hospitality 30.4%

Education & healthcare 13.6%

Finance & real estate 11.5%

Construction 9.8%

Manufacturing 9.3%

Professional & management 9.1%

Retail trade 8.5%

Transportation & utilities 2.8%

Public administration 2.7%

Other services 1.4%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	17.0%
Service	33.0%
Sales & office	24.3%
Natural resources & construction	9.0%
Production & transportation	16.7%

Employment type

Type	%
Private sector	83.4%
Government	9.9%
Self-employed	6.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	53.8%
Carpool	29.0%
Public transit	4.3%
Walk	4.1%
Work from home	8.8%
Other means	0.0%
Avg commute (minutes)	13.0

Poverty

All people 26.9%

Under 18 years 32.8%

18 and over 24.6%

Married-couple families 0.0%

Female-led households 30.0%

Income support

Source	% of households
Social Security	37.1%
Retirement income	10.4%
Supplemental Security	7.2%
Cash public assistance	2.0%
Food stamps / SNAP	14.7%

Health indicators

Condition	%
Obesity	45.3%
High blood pressure	35.8%
High cholesterol	32.9%
Diabetes	13.7%
Heart disease	5.8%
Stroke	3.3%
Asthma	11.7%
Arthritis	22.4%
Kidney disease	3.0%
Pulmonary disease	7.6%
Cancer	4.1%

Behavior / access	%
Smoking	27.4%
Binge drinking	17.2%
No physical activity	31.4%
Less than 7 hrs sleep	37.3%
Depression	22.6%
Fair or poor health	21.9%
Poor mental health	17.6%
Poor physical health	13.0%
No health insurance	25.6%
Visited doctor (checkup)	70.4%
Visited dentist	52.0%
Cholesterol screening	81.5%
Teeth loss	24.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	75	8.2%

Disability	%
Any disability	28.7%
Under 18	32.0%
18–64 years	24.2%
65 and over	41.0%

Health insurance coverage

Type	%
Private insurance	31.3%
Public insurance	57.6%
No insurance	18.9%
Uninsured under 19	6.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,273	95.1%
Spanish	71	5.6%
Other Indo-European	71	5.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,271	95.0%
Born in same state	1,271	95.0%
Born in different state	718	53.7%
Foreign born	0	0.0%
Naturalized citizen	67	5.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	197	14.7%
Italian	161	12%

Ancestry	Count	%
Arab	109	8.1%
English	12	0.9%

Technology access

Metric	% of households
Computer access	48.7%
Internet access	84.7%

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

Frequently asked questions about ZIP code 66603

What city is ZIP code 66603 in?

ZIP code 66603 is primarily assigned to Topeka, Kansas.

What county is ZIP code 66603 in?

ZIP code 66603 falls within Shawnee County, Kansas.

Is ZIP code 66603 mostly rentals?

74% of occupied units in ZIP code 66603 are renter-occupied.

Is ZIP code 66603 family-oriented?

32% of residents in ZIP code 66603 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 66603?

27% of residents in ZIP code 66603 live below the poverty line, above the national average.

Does ZIP code 66603 have a large retiree population?

37% of households in ZIP code 66603 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 66603 in?

ZIP code 66603 observes the CST timezone.