Postal Codes

66604 ZIP Code

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ZIP code 66604 covers Topeka, Kansas, with a population of about 22,876 and a median household income of $59,690.

Population
22,8763,385 per square mile
Median age
38.20.5 points below the US average
Median household income
$59,69018% below the Kansas median
Poverty rate
16.3%3.9 points above the US average
Typical home value
$163,657up 35.1% in five years
Median rent
$1,032about the Kansas median
Degree or higher
35%about the US average
Homeownership
57.2%7.8 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
680

Where 66604 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

Population22,876
Median age38.2
Family households54.4%
Born outside the US3.6%
Speaks a language other than English at home6.4%
White (non-Hispanic)70.3%
Black (non-Hispanic)6.3%
Asian (non-Hispanic)1.2%
Hispanic or Latino14.8%
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$59,690
Income per person$32,971
Poverty rate16.3%
Households on SNAP or cash assistance13%

Household income distribution

Under $10k7.7%
$10–15k3.6%
$15–20k4.7%
$20–25k3.2%
$25–30k3.6%
$30–35k4.3%
$35–40k4.5%
$40–45k3.3%
$45–50k4.9%
$50–60k10.5%
$60–75k12.5%
$75–100k13.0%
$100–125k9.6%
$125–150k5.9%
$150–200k4.5%
$200k or more4.2%

Income as declared to the IRS

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

Tax returns filed10,940
Mean adjusted gross income$56,980
Returns declaring $200,000 or more2.4%
Returns, under $25k30.5%
Returns, $25k–$50k30.3%
Returns, $50k–$75k17.6%
Returns, $75k–$100k8.9%
Returns, $100k–$200k10.3%
Returns, $200k or more2.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$126,600
Median gross rent$1,032
Rent as a share of household income28.4%
Owner-occupied57.2%
Vacant homes9%
Median year built1954

What the homes are

Detached house71.8%
Attached house4.5%
2 to 4 units6.9%
5 to 19 units9%
20 or more units7.7%
Mobile home0.1%
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$163,657as of 2026-07
Typical home value, 1 yearup 0.3%
Typical home value, 5 yearsup 35.1%
Typical home value, 10 yearsup 86.3%
Typical asking rent$1,095as of 2026-07
Typical asking rent, 1 yearup 6.5%
Typical home value since 2000
200020132026$163,657$69,747

$69,747 in 2000 to $163,657 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.6%
Bachelor's degree or higher35%
High school diploma or higher92.6%
Works from home11.1%
Drives to work alone73.4%
Takes public transport0.7%
Commutes 45 minutes or more4.1%
Health

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

Obesity38.4% 5 pts above the national average of 33.4%
Diagnosed diabetes12.2% same as the national average of 12%
Currently smokes15.5% 2.3 pts above the national average of 13.2%
High blood pressure38.3% 4.2 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)9.9% 1.4 pts below the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity25.8% same as the national average of 25.4%
Arthritis27.2% 2.1 pts above the national average of 25.1%
Binge drinking15% 1 pts below the national average of 16%
Taking blood pressure medication77.9% 3.2 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease6.9% 0.7 pts above the national average of 6.2%
Routine check-up in past year79% 2.3 pts above the national average of 76.7%
Cholesterol screening84.8% 1.1 pts below the national average of 85.9%
Cognitive disability15.8% 1 pts above the national average of 14.8%
Colorectal screening69.7% 5.4 pts above the national average of 64.3%
COPD7.5% 0.9 pts above the national average of 6.6%
Visited a dentist64% 2.7 pts above the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Lacks emotional support20.5% 4.3 pts below the national average of 24.8%
Food insecurity15.2% 1.9 pts below the national average of 17.1%
Received food stamps9.6% 4.7 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol40.4% 4.2 pts above the national average of 36.2%
Housing insecurity12.2% 1.6 pts below the national average of 13.8%
Independent living disability8.7% same as the national average of 8.4%
Lacks transport8.1% 1.1 pts below the national average of 9.2%
Loneliness31.4% 3 pts below the national average of 34.4%
Mammography use77.9% 2 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability15.2% 1.2 pts above the national average of 14%
Poor physical health (14+ days)13.1% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat9.5% 0.7 pts above the national average of 8.8%
Sleeps under 7 hours36.5% same as the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost12.1% 0.9 pts below the national average of 13%
Vision disability5.2% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments680
People employed15,876
Annual payroll$754,243,000
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 48.1% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 15 census tracts this ZIP code covers
Expected annual loss47.4 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 weather96.7Very High at its worst in this ZIP code
Ice storm94.1Very High at its worst in this ZIP code
Lightning85.6Very High at its worst in this ZIP code
Heat wave82.7Relatively High at its worst in this ZIP code
Tornado81.8Very High at its worst in this ZIP code
Hail73.7Relatively Moderate at its worst in this ZIP code
Strong wind62Relatively High at its worst in this ZIP code
Cold wave61.5Relatively High at its worst in this ZIP code
River flooding52.8Very High at its worst in this ZIP code
Wildfire43.6Relatively Low at its worst in this ZIP code
Landslide39.2Relatively Low at its worst in this ZIP code
Earthquake25.8Relatively Low at its worst in this ZIP code
Drought8.8Very 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$59,690$72,639$78,538
Income per person$32,971$39,638$43,289
Poverty rate16.3%11.5%12.4%
Median home value$126,600$203,400$303,400
Median gross rent$1,032$1,029$1,348
Homeownership57.2%66.9%65%
Bachelor's degree or higher35%35.2%35%
Unemployment rate4.6%3.9%5.2%
Works from home11.1%10.7%13.5%
Born outside the US3.6%7.2%13.9%
Median age38.237.238.7
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 US8.3 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 supermarket20% of this ZIP code's area
Far from a supermarket53% of this ZIP code's area
No vehicle and far from a supermarket31% 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Topeka Public Schools Unified School District 50187.9% of this ZIP code's land area
Auburn-Washburn Unified School District 43712.1% 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 vulnerability49more vulnerable than 49% of US census tracts
Socioeconomic status46more vulnerable than 46% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status40more vulnerable than 40% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability13.4 out of 20Above average
Nearby ZIP codes

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

66621 Topeka, KS1.6 km away
66606 Topeka, KS2.1 km away
66612 Topeka, KS3.1 km away
66611 Topeka, KS3.4 km away
66601 Topeka, KS3.5 km away
66625 Topeka, KS3.5 km away
66626 Topeka, KS3.5 km away
66629 Topeka, KS3.5 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 area6.76 sq mi
Water area0.01 sq mi
Population density3,385 people per sq mi
Latitude, longitude39.0405, -95.7178

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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