Residential delivery area · Kansas
ZIP Code 66618: Topeka, KS
ZIP code 66618 uses the postal name Topeka, Kansas and lies entirely in Shawnee County (Census 2020 ZIP-county file). About 10,000 people live there (Census Bureau, ACS 2020-2024), the 4th most populous of Topeka's 18 residential ZIP codes. Median household income is $109,884 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Topeka; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Topeka · 18 residential ZIPs
- County
- Shawnee County
- Census places
- Topeka
- Metro area
- Topeka, KS
- House district
- KS-2 119th Congress
- State
- Kansas
- Time zone
- Central
- Land area
- 72.8 sq mi · 140 people per sq mi
- PO Box ZIPs
- 13 more ZIP codes use the name Topeka for PO boxes or single organizations
Where is ZIP code 66618?
66618 centers on 39.140°, -95.748° and covers 72.8 square miles of land plus 2.1 of water. It borders 9 ZIP codes: 66539, 66606, 66608, 66617, 66603, 66440, 66615, 66533, 66509.
The map draws ZIP code areas only. For the streets inside 66618, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 66618 compare with the rest of Topeka?
| Measure | 66618 | In Topeka | In Shawnee County | In KS |
|---|---|---|---|---|
| People (ACS 2020-2024) | 10,179 | 4th of 18 | 4th of 28 | 94th of 704 |
| Median household income | $110k | 2nd of 16 | 2nd of 22 | 27th of 286 |
| Median home value | $254k | 3rd of 14 | 5th of 22 | 65th of 282 |
Its median household income is higher than in 87% of U.S. residential ZIP codes, and it is denser than 58% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 66618?
The 2020 Census counted 9,940 people in 66618; the ACS, which samples households over 2020-2024, estimates 10,179. Between the 2010 and 2020 censuses its population grew 5.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,179
- 2020 Census count
- 9,940+5.7% since 2010 (9,402)
- Households
- 4,001
- Median age
- 42.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 66618?
Of the 10,179 people the ACS estimates in 66618, 25.4% are under 18 and 19.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.8%).
- Under 1825.4%
- 18 to 6455.5%
- 65 and older19.1%
- White, not Hispanic91.8%
- Hispanic or Latino4.3%
- Other or two or more3.1%
- Black, not Hispanic0.7%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 66618 earn?
Median household income is $109,884 (ACS 2020-2024), the 2nd highest of the 22 ranked ZIP codes in Shawnee County. It is not measurably different from 2015-2019 ($109,568 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $109,884±$11,866
- Income per person
- $46,986
- Below the poverty line
- 5.1%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 42.1%
- Adjusted gross income per tax return, 2022
- $93,2214,750 returns; wages 65% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 66618?
FHFA's house price index for 66618, built from repeat sales and appraisals of the same homes, rose 81% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +5.5% in 2025.
- Median home value (owners' estimate)
- $254,200
- Median gross rent
- $984
- Homes owned by their occupants
- 90.9%
- Housing units
- 4,069
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 66618?
194 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction42
- Wholesale trade18
- Other services (except public administration)18
- Retail trade15
- Administrative and support and waste management and remediation services15
- Manufacturing14
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 66618?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 66539 | Silver Lake | 3,092 | $88k | 4.9 mi |
| 66606 | Topeka | 9,842 | $57k | 5.6 mi |
| 66608 | Topeka | 4,216 | $49k | 6.1 mi |
| 66617 | Topeka | 8,903 | $87k | 6.7 mi |
| 66603 | Topeka | 1,830 | $45k | 6.9 mi |
| 66440 | Hoyt | 1,943 | $97k | 9.7 mi |
| 66615 | Topeka | 2,943 | $108k | 10.1 mi |
| 66533 | Rossville | 1,595 | $62k | 10.8 mi |
| 66509 | Mayetta | 1,974 | $66k | 13.0 mi |
| 66604 | Topeka | 23,006 | $61k | 7.0 mi (near) |
| 66612 | Topeka | 1,754 | $26k | 7.8 mi (near) |
| 66621 | Topeka | 442 | – | 7.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.