66603 ZIP Code, Topeka, KS
66603 is a ZIP code in Topeka, Kansas in Shawnee County. It covers 0.9 square miles of land. The closest ZIP codes are 66612, 66608 and 66621. 1,830 people live here in 831 households. At about 2,047 people per square mile it has suburban density, and most households rent (29% own). Median household income is $44,688, well below the Kansas median of $74,275; the median age is 29.0, younger than most ZIP codes.
Quick facts
- Mailing city: Topeka, KS
- County: Shawnee County
- Land area: 0.9 sq mi
- Population: 1,830
- Median household income: $44,688
Key figures
| Measure | Value |
|---|---|
| Residents | 1,830 |
| Households | 831 |
| Median household income | $44,688 |
| Income per person | $26,473 |
| Median age | 29 |
| Homeowners | 29.1% |
| Median home value | $107,900 |
| Median rent | $698 |
| Bachelor's degree or higher | 15.3% |
| Average commute (minutes) | 11.3 |
| Households with kids under 18 | 27.8% |
| Moved in the past year | 11.0% |
| Below the poverty line | 25.0% |
| Broadband internet | 86.0% |
| Speak a non-English language at home | 16.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 9.1% |
| $10–15K | 10.6% |
| $15–25K | 16.4% |
| $25–35K | 2.6% |
| $35–50K | 18.9% |
| $50–75K | 18.4% |
| $75–100K | 11.3% |
| $100–150K | 3.0% |
| $150–200K | 7.6% |
| $200K+ | 2.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 13.8% |
| 10–19 | 19.4% |
| 20–24 | 9.7% |
| 25–34 | 21.6% |
| 35–44 | 9.4% |
| 45–54 | 2.9% |
| 55–64 | 14.3% |
| 65–74 | 6.0% |
| 75+ | 3.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 14.0% |
| Owned outright | 4.1% |
| Rented | 42.4% |
| Vacant | 39.5% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 23.3% |
| Townhome | 0.0% |
| 2–4 units | 24.8% |
| 5–19 units | 29.0% |
| 20+ units | 22.5% |
| Mobile / other | 0.4% |
Businesses in 66603
275 business establishments with 5,090 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 53
- Other Services (except Public Administration): 38
- Finance and Insurance: 28
- Health Care and Social Assistance: 28
- Administrative and Support and Waste Management and Remediation Services: 22
- Retail Trade: 18
- Real Estate and Rental and Leasing: 17
- Wholesale Trade: 15
EDDM carrier routes
See every USPS carrier route in 66603 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 66612 — Topeka city, KS (1.2 mi)
- 66608 — Topeka city, KS (1.7 mi)
- 66621 — Topeka city, KS (2.2 mi)
- 66606 — Topeka city, KS (2.4 mi)
- 66607 — Topeka city, KS (2.4 mi)
- 66611 — Topeka city, KS (2.9 mi)
- 66616 — Topeka city, KS (2.9 mi)
- 66604 — Topeka city, KS (3 mi)
Areas that include 66603
- Topeka, KS ZIP codes — 18 ZIP codes
- Shawnee County ZIP codes — 25 ZIP codes
- Kansas ZIP code data
Where it ranks
- No. 3 of 23: lowest median age in Shawnee County
- No. 1 of 23: fastest population growth in Shawnee County
- No. 2 of 16: lowest median age in Topeka, KS
- No. 1 of 16: fastest population growth in Topeka, KS
Mail every home in 66603
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 66603, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 66603 in?
- 66603 is a Topeka, KS mailing address. By land area, 100% lies inside Topeka.
- What county is 66603 in?
- 66603 is in Shawnee County.
- What is the population of 66603?
- About 1,830 people (±592), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,569.
- What is the median household income in 66603?
- $44,688 (±$9,418), compared with $74,275 for Kansas as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 66603?
- EDDM2GO's stored route library does not include 66603 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 66603?
- The closest, measured center to center: 66612 (1.2 mi, Topeka), 66608 (1.7 mi, Topeka), 66621 (2.2 mi, Topeka), 66606 (2.4 mi, Topeka), 66607 (2.4 mi, Topeka) and 66611 (2.9 mi, Topeka).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.