Postal Codes

66618 ZIP Code

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ZIP code 66618 covers Topeka, Kansas, with a population of about 10,113 and a median household income of $106,687.

Population
10,113139 per square mile
Median age
41.42.7 points above the US average
Median household income
$106,6871.5× the Kansas median
Poverty rate
4.4%8 points below the US average
Typical home value
$311,098up 28.1% in five years
Median rent
$9666% below the Kansas median
Degree or higher
38.4%3.4 points above the US average
Homeownership
89.8%24.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
199

Where 66618 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

Population10,113
Median age41.4
Family households78.4%
Born outside the US1.4%
Speaks a language other than English at home0.6%
White (non-Hispanic)91.9%
Black (non-Hispanic)0.7%
Asian (non-Hispanic)0.1%
Hispanic or Latino3.4%
Veterans9.8%
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$106,687
Income per person$45,525
Poverty rate4.4%
Households on SNAP or cash assistance2%

Household income distribution

Under $10k3.6%
$10–15k2.2%
$15–20k2.3%
$20–25k3.6%
$25–30k3.4%
$30–35k0.5%
$35–40k1.3%
$40–45k1.6%
$45–50k0.6%
$50–60k4.7%
$60–75k9.0%
$75–100k13.2%
$100–125k22.0%
$125–150k11.0%
$150–200k9.2%
$200k or more11.8%

Income as declared to the IRS

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

Tax returns filed4,750
Mean adjusted gross income$93,221
Returns declaring $200,000 or more7.4%
Returns, under $25k22.1%
Returns, $25k–$50k17.9%
Returns, $50k–$75k14.9%
Returns, $75k–$100k11.6%
Returns, $100k–$200k26.1%
Returns, $200k or more7.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$241,800
Median gross rent$966
Rent as a share of household income33.6%
Owner-occupied89.8%
Vacant homes1.6%
Median year built1987

What the homes are

Detached house95.1%
Attached house1.4%
2 to 4 units0.4%
5 to 19 units2.5%
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$311,098as of 2026-07
Typical home value, 1 yearup 0.3%
Typical home value, 5 yearsup 28.1%
Typical home value, 10 yearsup 80.2%
Typical asking rent$1,530as of 2026-07
Typical home value since 2000
200020132026$311,098$128,156

$128,156 in 2000 to $311,098 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.7%
Bachelor's degree or higher38.4%
High school diploma or higher97.8%
Works from home12.3%
Drives to work alone81.1%
Takes public transport0%
Commutes 45 minutes or more6.3%
Health

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

Obesity35.3% 1.9 pts above the national average of 33.4%
Diagnosed diabetes10.7% 1.3 pts below the national average of 12%
Currently smokes12.8% same as the national average of 13.2%
High blood pressure37.6% 3.5 pts above the national average of 34.1%
Fair or poor general health15.5% 4.8 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression22.4% 0.5 pts above the national average of 21.9%
No leisure-time physical activity20.7% 4.7 pts below the national average of 25.4%
Arthritis27.9% 2.8 pts above the national average of 25.1%
Binge drinking15.7% same as the national average of 16%
Taking blood pressure medication79.4% 4.7 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease6.5% same as the national average of 6.2%
Routine check-up in past year80.3% 3.6 pts above the national average of 76.7%
Cholesterol screening88.7% 2.8 pts above the national average of 85.9%
Cognitive disability12.3% 2.5 pts below the national average of 14.8%
Colorectal screening73.5% 9.2 pts above the national average of 64.3%
COPD6.3% same as the national average of 6.6%
Visited a dentist73.1% 11.8 pts above the national average of 61.3%
Any disability28.4% 2.3 pts below the national average of 30.7%
Lacks emotional support18.6% 6.2 pts below the national average of 24.8%
Food insecurity8.4% 8.7 pts below the national average of 17.1%
Received food stamps4.2% 10.1 pts below the national average of 14.3%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol42.1% 5.9 pts above the national average of 36.2%
Housing insecurity7.6% 6.2 pts below the national average of 13.8%
Independent living disability6.3% 2.1 pts below the national average of 8.4%
Lacks transport4.9% 4.3 pts below the national average of 9.2%
Loneliness28.7% 5.7 pts below the national average of 34.4%
Mammography use80.7% 4.8 pts above the national average of 75.9%
Poor mental health (14+ days)14% 2.8 pts below the national average of 16.8%
Mobility disability12.5% 1.5 pts below the national average of 14%
Poor physical health (14+ days)11.5% 2 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost8.7% 4.3 pts below the national average of 13%
Vision disability3.4% 2.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments199
People employed5,645
Annual payroll$371,785,000
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 74.4% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss77.9 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 weather98.5Very High at its worst in this ZIP code
Ice storm96.4Relatively High at its worst in this ZIP code
Lightning93.1Relatively High at its worst in this ZIP code
Tornado91.8Very High at its worst in this ZIP code
Heat wave89.8Relatively High at its worst in this ZIP code
Drought88.7Relatively Moderate at its worst in this ZIP code
Wildfire86.8Relatively Moderate at its worst in this ZIP code
Landslide86.2Relatively Low at its worst in this ZIP code
Hail84.2Relatively High at its worst in this ZIP code
River flooding79.6Relatively High at its worst in this ZIP code
Strong wind74.6Relatively Moderate at its worst in this ZIP code
Cold wave71.8Relatively Moderate at its worst in this ZIP code
Earthquake31.1Relatively 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$106,687$72,639$78,538
Income per person$45,525$39,638$43,289
Poverty rate4.4%11.5%12.4%
Median home value$241,800$203,400$303,400
Median gross rent$966$1,029$1,348
Homeownership89.8%66.9%65%
Bachelor's degree or higher38.4%35.2%35%
Unemployment rate3.7%3.9%5.2%
Works from home12.3%10.7%13.5%
Born outside the US1.4%7.2%13.9%
Median age41.437.238.7
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 US9.2 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 supermarket5% of this ZIP code's area
Far from a supermarket5% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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.

Seaman Unified School District 34562.3% of this ZIP code's land area
Silver Lake Unified School District 37237.3% 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 vulnerability17more vulnerable than 17% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics18more vulnerable than 18% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport48more vulnerable than 48% of US census tracts
Walkability5.3 out of 20Least walkable
Nearby ZIP codes

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

66608 Topeka, KS5.4 km away
66617 Topeka, KS5.5 km away
66606 Topeka, KS8.3 km away
66603 Topeka, KS8.8 km away
66616 Topeka, KS9.2 km away
66601 Topeka, KS9.6 km away
66625 Topeka, KS9.6 km away
66626 Topeka, KS9.6 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 area72.79 sq mi
Water area2.14 sq mi
Population density139 people per sq mi
Latitude, longitude39.1329, -95.7023

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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