Zip Code 66604
Topeka, Kansas — Shawnee County
📍 ZIP code 66604 is in Topeka, Shawnee County, Kansas.
ZIP code 66604 is located in Topeka, Shawnee County, Kansas. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 22,876. The area code for ZIP code 66604 is 785.
Quick Answer
Zip code 66604 is in Topeka, Kansas (Shawnee County). It has a population of 22,876, median household income of $59,690, and median home value of $126,600.
Population
22,876
Income
$59,690
Home Value
$126,600
Climate
89°F / 19°F
About Zip Code 66604
Zip code 66604 is located in Topeka, Kansas, within Shawnee County. Home to approximately 22,876 residents, this area sits at an elevation of 985 ft and falls within the Central (CST/CDT) timezone. The local area code is 785.
The median household income is $59,690 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $126,600, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 89°F while winters drop to 19°F. The area receives about 37 in of rain and 9 in of snow annually. The zip code covers 6.6 square miles of land area.
Key Statistics
22,876
$59,690
$126,600
Central (CST/CDT)
785
985 ft
6.6 sq mi
38.2
10,820
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Compare With Nearby Zip Codes
| Metric | 66604 | 66606 | 66611 | 66612 | 66603 | 66608 |
|---|---|---|---|---|---|---|
| City | Topeka, KS | Topeka, KS | Topeka, KS | Topeka, KS | Topeka, KS | Topeka, KS |
| Population | 22,876 | 10,177 | 9,912 | 1,994 | 1,304 | 4,789 |
| Median Income | $59,690 | $60,862 | $54,612 | $26,338 | $38,992 | $49,792 |
| Home Value | $126,600 | $115,100 | $139,100 | $47,900 | $91,500 | $77,500 |
| Cost of Living | 60 | 60 | 60 | 60 | 60 | 60 |
| Median Age | 38.2 | 37.2 | 36.3 | 45.7 | 30.4 | 44.2 |
Cost of Living
100 = National Average. Topeka's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.1x
Demographics
Zip code 66604 has a population of 22,876 people with a median age of 38.2. There are 10,820 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Topeka (66604) population trend from 2010 to 2024
↓ -34.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
19°F
37 in
9 in
Topeka experiences warm summers with average highs around 89°F. Winters are cold with lows averaging 19°F. The area receives about 9 in of snow per year.
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Housing & Economy
Median Home Value
$126,600
Median Household Income
$59,690
With 10,820 housing units across 6.6 square miles, 66604 has a housing density of 1,639 units per square mile. The home price-to-income ratio is 2.1x.
Location & Geography
Latitude
39.0390°
Longitude
-95.7262°
Land Area
6.6 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 66604 (Topeka, KS) with distances:
All Zip Codes in Topeka, KS
Other zip codes serving Topeka:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 66604's $59,690. A way to compare Topeka to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 66604 (Topeka, KS). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Topeka, Kansas?
Topeka, Kansas uses zip code 66604 along with 9 other zip codes.
What county is zip code 66604 in?
Zip code 66604 is located in Shawnee County, Kansas.
What is the population of zip code 66604?
The population of zip code 66604 is 22,876 with a median age of 38.2.
Is 66604 in Topeka, Kansas?
Yes, zip code 66604 is in Topeka, Shawnee County, Kansas. The area code is 785.
Frequently Asked Questions
What city is zip code 66604 in?
Zip code 66604 is in Topeka, Kansas. It is part of Shawnee County and uses the Central (CST/CDT) timezone.
What is zip code 66604?
Zip code 66604 is a U.S. postal code in Topeka, Kansas (Shawnee County). It has a population of 22,876 and covers 6.6 square miles.
What is the population of zip code 66604?
The population of zip code 66604 (Topeka, KS) is 22,876 with a median age of 38.2. There are approximately 10,820 housing units in this area.
What is the median income in zip code 66604?
The median household income in zip code 66604 (Topeka, KS) is $59,690 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 66604?
The median home value in zip code 66604 (Topeka, KS) is $126,600. The cost of living index is 60 compared to the national average of 100.
What county is zip code 66604 in?
Zip code 66604 is located in Shawnee County, Kansas. The primary city is Topeka.
What is the area code for zip code 66604?
Zip code 66604 in Topeka, KS uses area code 785. It is located in the Central (CST/CDT) timezone.
Is zip code 66604 a good place to live?
Zip code 66604 (Topeka, KS) has a cost of living index of 60 (100 = national average), a median household income of $59,690, and median home values of $126,600. The median age is 38.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 66604?
The cost of living index for zip code 66604 (Topeka, KS) is 60, where 100 represents the national average. This area is below the national average. Median home value: $126,600.
What schools serve zip code 66604?
Zip code 66604 in Topeka, Kansas is served by the local school district of Shawnee County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.