Postal Codes

66603 ZIP Code

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ZIP code 66603 covers Topeka, Kansas, with a population of about 1,304 and a median household income of $38,992.

Population
1,3041,458 per square mile
Median age
30.48.3 points below the US average
Median household income
$38,99246% below the Kansas median
Poverty rate
28.7%16.3 points above the US average
Typical home value
$65,157up 63.6% in five years
Median rent
$59342% below the Kansas median
Degree or higher
17%18 points below the US average
Homeownership
25.1%39.9 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
409

Where 66603 is

Topeka, Kansas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,304
Median age30.4
Family households29.2%
Born outside the US9.3%
Speaks a language other than English at home14.7%
White (non-Hispanic)41.9%
Black (non-Hispanic)7.5%
Asian (non-Hispanic)0%
Hispanic or Latino21.7%
Veterans6.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$38,992
Income per person$24,406
Poverty rate28.7%
Households on SNAP or cash assistance25.6%

Household income distribution

Under $10k10.7%
$10–15k13.0%
$15–20k7.3%
$20–25k9.8%
$25–30k1.2%
$30–35k1.4%
$35–40k8.5%
$40–45k7.9%
$45–50k7.1%
$50–60k21.8%
$60–75k3.2%
$75–100k4.2%
$100–125k0.0%
$125–150k0.9%
$150–200k0.9%
$200k or more2.1%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed590
Mean adjusted gross income$39,883
Returns declaring $200,000 or more0%
Returns, under $25k40.7%
Returns, $25k–$50k33.9%
Returns, $50k–$75k15.3%
Returns, $75k–$100k5.1%
Returns, $100k–$200k5.1%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$91,500
Median gross rent$593
Rent as a share of household income24.8%
Owner-occupied25.1%
Vacant homes42.6%
Median year built1951

What the homes are

Detached house23.3%
2 to 4 units23.1%
5 to 19 units31.6%
20 or more units21.4%
Mobile home0.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$65,157as of 2026-07
Typical home value, 1 yeardown 10.6%
Typical home value, 5 yearsup 63.6%
Typical home value, 10 yearsup 142.6%
Typical home value since 2000
200920172026$76,227$24,799

$37,917 in 2009 to $65,157 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher17%
High school diploma or higher90.9%
Works from home11.6%
Drives to work alone54.5%
Takes public transport5.3%
Commutes 45 minutes or more2.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity47.2% 13.8 pts above the national average of 33.4%
Diagnosed diabetes18.1% 6.1 pts above the national average of 12%
Currently smokes24.5% 11.3 pts above the national average of 13.2%
High blood pressure44.3% 10.2 pts above the national average of 34.1%
Fair or poor general health32.2% 11.9 pts above the national average of 20.3%
No health insurance (18–64)18.5% 7.2 pts above the national average of 11.3%
Depression23.2% 1.3 pts above the national average of 21.9%
No leisure-time physical activity37.4% 12 pts above the national average of 25.4%
Arthritis28% 2.9 pts above the national average of 25.1%
Binge drinking13.9% 2.1 pts below the national average of 16%
Taking blood pressure medication77.2% 2.5 pts above the national average of 74.7%
Cancer (non-skin)6.4% 1.3 pts below the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease9.1% 2.9 pts above the national average of 6.2%
Routine check-up in past year77.1% same as the national average of 76.7%
Cholesterol screening81.1% 4.8 pts below the national average of 85.9%
Cognitive disability21% 6.2 pts above the national average of 14.8%
Colorectal screening59.6% 4.7 pts below the national average of 64.3%
COPD10.7% 4.1 pts above the national average of 6.6%
Visited a dentist48.7% 12.6 pts below the national average of 61.3%
Any disability42.2% 11.5 pts above the national average of 30.7%
Lacks emotional support24.9% same as the national average of 24.8%
Food insecurity30.4% 13.3 pts above the national average of 17.1%
Received food stamps22.2% 7.9 pts above the national average of 14.3%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol41.8% 5.6 pts above the national average of 36.2%
Housing insecurity22.5% 8.7 pts above the national average of 13.8%
Independent living disability12.5% 4.1 pts above the national average of 8.4%
Lacks transport14.3% 5.1 pts above the national average of 9.2%
Loneliness33% 1.4 pts below the national average of 34.4%
Mammography use72% 3.9 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability21.8% 7.8 pts above the national average of 14%
Poor physical health (14+ days)17.6% 4.1 pts above the national average of 13.5%
Self-care disability7.2% 3.2 pts above the national average of 4%
Utility shut-off threat18.2% 9.4 pts above the national average of 8.8%
Sleeps under 7 hours42.2% 5.8 pts above the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost24.1% 11.1 pts above the national average of 13%
Vision disability9.5% 3.9 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments409
People employed4,785
Annual payroll$351,321,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 71.4% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss72.3 out of 100
Community resilience78.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather96.6Very High at its worst in this ZIP code
Ice storm93.8Relatively High at its worst in this ZIP code
River flooding85.4Relatively High at its worst in this ZIP code
Tornado85.4Very High at its worst in this ZIP code
Hail80.2Relatively Moderate at its worst in this ZIP code
Lightning78.5Relatively High at its worst in this ZIP code
Heat wave74.1Relatively Moderate at its worst in this ZIP code
Strong wind69.3Relatively Moderate at its worst in this ZIP code
Earthquake53.5Relatively Low at its worst in this ZIP code
Cold wave50.9Relatively Moderate at its worst in this ZIP code
Landslide44Very Low at its worst in this ZIP code
Wildfire29.7Very Low at its worst in this ZIP code
Compared with Kansas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPKansasUnited States
Median household income$38,992$72,639$78,538
Income per person$24,406$39,638$43,289
Poverty rate28.7%11.5%12.4%
Median home value$91,500$203,400$303,400
Median gross rent$593$1,029$1,348
Homeownership25.1%66.9%65%
Bachelor's degree or higher17%35.2%35%
Unemployment rate2.8%3.9%5.2%
Works from home11.6%10.7%13.5%
Born outside the US9.3%7.2%13.9%
Median age30.437.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationTOPEKA - NWS, KS US4.7 km away
Rain in a year37 in

Average high and low by month

January39.9°F / 18.7°F0.92 in rain
February45°F / 22.9°F1.33 in rain
March56.2°F / 32.6°F2.24 in rain
April66.5°F / 43°F3.86 in rain
May75.7°F / 54.6°F5.31 in rain
June85°F / 64.3°F5.02 in rain
July88.5°F / 68.1°F4.21 in rain
August87.4°F / 65.5°F4.43 in rain
September80.3°F / 56.7°F3.54 in rain
October68.8°F / 44.3°F2.91 in rain
November55°F / 32.2°F2.01 in rain
December43.3°F / 22.9°F1.51 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Topeka Public Schools Unified School District 501100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability92more vulnerable than 92% of US census tracts
Socioeconomic status93more vulnerable than 93% of US census tracts
Household characteristics74more vulnerable than 74% of US census tracts
Racial and ethnic minority status67more vulnerable than 67% of US census tracts
Housing type and transport80more vulnerable than 80% of US census tracts
Walkability14.3 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

66601 Topeka, KS0.8 km away
66625 Topeka, KS0.8 km away
66626 Topeka, KS0.8 km away
66629 Topeka, KS0.8 km away
66630 Topeka, KS0.8 km away
66636 Topeka, KS0.8 km away
66683 Topeka, KS0.8 km away
66699 Topeka, KS0.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Shawnee County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.89 sq mi
Water area0.06 sq mi
Population density1,458 people per sq mi
Latitude, longitude39.0553, -95.6802

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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