PlainZIP

Topeka, KS · standard

ZIP Code 66603

Shawnee County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,001
895/sq mi
$44,688
Median income
$107,900
Median home value
15.3%
Bachelor's or higher

The verdict

Topeka pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a low-density, renter-heavy area.

9th pct
household income, US ZIPs
12th pct
home value, US ZIPs
895
people per sq mi
29%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66603 against every reporting US ZIP.

ZIP code 66603 covers 2.2 square miles in Topeka, Shawnee County, Kansas (a standard USPS delivery area), with a modest 2,001 residents on file, a density of 895 people per square mile, in the Chicago time zone.

ZIP 66603 reports a modest median household income of $44,688 (38% below the Kansas average), while per-capita income is $26,473. Poverty here runs at 25.0%, with unemployment measured at 3.3%. Housing costs here run $107,900 for a typical home value (33% below the state average), with rent averaging $698 a month; 29.1% of homes are owner-occupied.

Educational attainment sits below the national norm: 15.3% of adults hold a bachelor's degree or higher, the median age is 29, and the average commute is -. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Shawnee County, letting you compare 66603 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 66603

Top 5 sectors by establishment count in Topeka, KS

Which industries have the most business establishments in ZIP 66603.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 66603, Topeka, KS · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,001

Population

2.2

Area (sq mi)

895

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 66603?

29.0

Median Age

49.0%

Male

51.0%

Female

8.9%

Foreign-Born

White 61.3%
African American 1.5%
Asian 0.0%
American Indian or Alaska Native 1.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 29.7%
Hispanic or Latino 23.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$44,688

Median Household Income

-38% vs state

$26,473

Per Capita Income

25.0%

Poverty Rate

3.3%

Unemployment Rate

How ZIP 66603 ranks nationally

Topeka, KS household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$44,688 9th percentile higher than 9% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.2%
Bachelor's Degree or Higher 15.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,380

Total Housing Units

831

Occupied Units

549

Vacant Units

2.18

Avg Household Size

Occupancy Type

Owner 29.1%
Renter 70.9%

$107,900

Median Home Value

-33% vs state

$698

Median Rent

1951

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 275 business establishments in ZIP 66603, employing approximately 5,090 people with a combined annual payroll of $385,968,000.

275

Businesses

5,090

Employees

$386.0M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 53 19.3%
Other services (except public administration) 38 13.8%
Finance and insurance 28 10.2%
Health care and social assistance 28 10.2%
Administrative and support and waste management and remediation services 22 8.0%
Retail trade 18 6.5%
Real estate and rental and leasing 17 6.2%
Wholesale trade 15 5.5%
Manufacturing 11 4.0%
Information 11 4.0%
Accommodation and food services 11 4.0%
Management of companies and enterprises 5 1.8%
Construction 4 1.4%
Transportation and warehousing 4 1.4%
Educational services 4 1.4%
Arts, entertainment, and recreation 3 1.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 66603 vs 66612 →

ZIP 66603 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 66603 ranks #9 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 66603 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 66603 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
66612 Topeka, KS 2,477 1.2 mi
66608 Topeka, KS 5,991 1.7 mi
66606 Topeka, KS 11,284 2.4 mi
66621 Topeka, KS 643 2.2 mi
66607 Topeka, KS 10,498 2.4 mi
66611 Topeka, KS 9,832 3.1 mi
66616 Topeka, KS 5,874 2.9 mi
66604 Topeka, KS 23,344 3.0 mi
66622 Topeka, KS 76 3.3 mi
66609 Topeka, KS 7,068 5.2 mi

More ZIP Codes in Shawnee County

66614 standard
Topeka, KS
Pop: 31,354
66604 standard
Topeka, KS
Pop: 23,344
66605 standard
Topeka, KS
Pop: 19,919
66606 standard
Topeka, KS
Pop: 11,284
66607 standard
Topeka, KS
Pop: 10,498
66611 standard
Topeka, KS
Pop: 9,832

Related Areas

Shawnee County Topeka, KS Kansas

Frequently Asked Questions

What county is ZIP code 66603 in? ▼
ZIP code 66603 (Topeka) is located in Shawnee County, Kansas. Shawnee County contains multiple ZIP codes, see the full list at /counties/shawnee-ks.
What is the population of ZIP code 66603? ▼
ZIP code 66603 in Topeka, KS has a population of 2,001 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66603? ▼
The median household income in ZIP 66603 is $44,688, which is 41% below the national average of $76,288.
What is the average home value in ZIP 66603? ▼
The median home value in ZIP 66603 is $107,900, which is 61% below the national average of $278,155.
What is the demographic makeup of ZIP 66603? ▼
The largest racial group in ZIP 66603 is White at 61.3%. Hispanic or Latino residents make up 23.1% of the population.
How many businesses are in ZIP code 66603? ▼
ZIP code 66603 has 275 business establishments employing approximately 5,090 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 66603? ▼
The top industries by establishment count in ZIP 66603 are: Professional, scientific, and technical services (53), Other services (except public administration) (38), Finance and insurance (28). There are 16 industry sectors represented in total.
What is the education level in ZIP code 66603? ▼
In ZIP code 66603, 55.2% of residents aged 25+ have a high school diploma or higher, and 15.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 66603? ▼
In ZIP code 66603, approximately 29.1% of occupied housing units are owner-occupied and 70.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66603? ▼
The poverty rate in ZIP code 66603 is 25.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.