66503 ZIP Code — Manhattan, KS

Riley County, Kansas

ZIP code 66503 is located in Manhattan, Kansas, within Riley County. It covers approximately 83.20 square miles and serves a population of 16,393 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66503

The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $301,400. Owner-occupancy sits near the national average at 62%.

The gap between median ($96,327) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is high — 62% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 66503 reflects a community defined by a highly educated population and a strong veteran community.

16,393

population

83.20

sq mi land

Standard

ZIP type

Central (CT)

timezone

66503 ZIP code map

Cities in ZIP code 66503

Below are the cities the US Postal Service accepts for ZIP code 66503. Using any city not on this list may result in mail delivery delays.

City	Status
Manhattan	Preferred

Nearby ZIP codes

66506 Manhattan (5.8 mi) 66502 Manhattan (8.3 mi) 66531 Riley (8.4 mi) 66517 Ogden (9.7 mi) 66535 Saint George (12 mi) 66442 Fort Riley (13 mi) 66449 Leonardville (13 mi) 66520 Olsburg (13 mi) 66514 Milford (13.9 mi) 66554 Randolph (16.1 mi) 66441 Junction City (18.2 mi) 66549 Westmoreland (18.5 mi)

Demographics updated 05/2026

Population
Total population	16,393
Population density	197 / sq mi
State FIPS	20
County FIPS	161

Geography
Land area	83.20 sq mi
Water area	4.69 sq mi
Latitude	39.2462
Longitude	-96.6691
Timezone	Central (CT)
Area code	785

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.8%	45.7%	41.1%
$50k – $100k	30.9%	30.1%	32.2%
$100k – $200k	30.9%	19.4%	21.0%
Over $200k	11.4%	4.9%	5.7%

Demographics & statistics

16,393

Population

197

People per sq mi

38.3

Median age

$96,327

Median household income

$55,736

Per capita income

$301,400

Median home value

$1,179

Median monthly rent

61.6%

Home ownership

8.9%

Poverty rate

2.8%

Unemployment

5,054

Housing units

61.5%

Bachelor's or higher

Age distribution

Male Female

436

Under 5

430

465

5–9

458

538

10–14

530

532

15–19

524

632

20–24

623

1,226

25–34

1,207

1,171

35–44

1,154

875

45–54

862

652

55–59

642

549

60–64

541

697

65–74

687

317

75–84

312

168

85+

165

← Male

Female →

Age summary

Group	Count	%
Under 18	3,430	20.9%
18 and over	12,963	79.1%
65 and over	2,346	14.3%
Median age	38.3 years

Race & ethnicity

White 76.7%

Two or more races 5.3%

Asian 5.1%

Black or African American 4.8%

Hispanic or Latino 4.6%

Other race 2.2%

Native Hawaiian / Pacific Islander 0.8%

American Indian / Alaska Native 0.4%

Group	Count	%
White	13,179	76.7%
Two or more races	910	5.3%
Asian	884	5.1%
Black or African American	832	4.8%
Hispanic or Latino	790	4.6%
Other race	380	2.2%
Native Hawaiian / Pacific Islander	142	0.8%
American Indian / Alaska Native	66	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.8%	45.7%	41.1%
$50k – $100k	30.9%	30.1%	32.2%
$100k – $200k	30.9%	19.4%	21.0%
Over $200k	11.4%	4.9%	5.7%

Under $10k 2.8%

$10k–$15k 3.0%

$15k–$25k 5.8%

$25k–$35k 3.2%

$35k–$50k 5.9%

$50k–$75k 17.3%

$75k–$100k 13.2%

$100k–$150k 16.9%

$150k–$200k 14.0%

$200k+ 17.8%

Range	% of households
Under $10k	2.8%
$10k–$15k	3.0%
$15k–$25k	5.8%
$25k–$35k	3.2%
$35k–$50k	5.9%
$50k–$75k	17.3%
$75k–$100k	13.2%
$100k–$150k	16.9%
$150k–$200k	14.0%
$200k+	17.8%
Median income	$96,327

Housing

Home values

Under $50k 1.8%

$50k–$100k 3.2%

$100k–$150k 1.4%

$150k–$200k 8.2%

$200k–$300k 35.1%

$300k–$500k 34.5%

$500k–$1M 13.5%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$301,400
Median rent / month	$1,179
Owner occupied	61.6%
Renter occupied	38.4%
Vacant	12.2%
Single-family detached	61.3%
Large apartment buildings	6.2%
Mobile homes	3.1%
Median rooms	6.3
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.6%
2010–2019	27.8%
2000–2009	17.9%
1990–1999	11.8%
1980–1989	15.0%
1970–1979	16.6%
1960–1969	6.0%
1950–1959	1.3%
1940–1949	1.2%
1939 or earlier	2.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	7.6%
2 bedrooms	21.3%
3 bedrooms	30.5%
4 bedrooms	20.6%
5+ bedrooms	18.2%

Vehicles per household

Vehicles	% of households
No vehicle	1.7%
1 vehicle	26.2%
2 vehicles	46.1%
3 or more	26.1%

Heating fuel

Fuel type	%
Utility gas	48.0%
Electricity	40.7%
Propane / LP gas	9.5%
Fuel oil	0.3%
Wood	0.9%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	3,996	59.7%
Cohabiting couple	354	5.3%
Male householder, no spouse	1,152	17.2%
Female householder, no spouse	1,194	17.8%
Households with children under 18	1,908	28.5%
Households with seniors (65+)	1,597	23.9%
Average household size	2.39

Marital status

Status	Male	Female
Never married	27.2%	26.1%
Married	63.0%	60.1%
Separated	1.0%	0.7%
Widowed	2.2%	3.1%
Divorced	6.6%	9.9%

Education

Less than 9th grade 0.2%

Some HS, no diploma 1.2%

HS graduate 11.2%

Some college, no degree 18.4%

Associate's degree 7.5%

Bachelor's degree 30.7%

Graduate / professional 30.9%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	61.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	202	4.4%
Kindergarten	312	6.8%
Elementary school	1,536	33.4%
High school	907	19.7%
College / grad school	1,642	35.7%

Employment

Industry of employment

Education & healthcare 38.9%

Professional & management 13.2%

Public administration 8.2%

Construction 7.1%

Retail trade 6.5%

Finance & real estate 6.2%

Manufacturing 5.0%

Other services 4.7%

Arts, food & hospitality 3.9%

Transportation & utilities 2.2%

Information 1.6%

Agriculture & mining 1.3%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	56.0%
Service	11.4%
Sales & office	18.8%
Natural resources & construction	7.9%
Production & transportation	5.9%

Employment type

Type	%
Private sector	56.2%
Government	36.8%
Self-employed	7.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.6%
Carpool	12.2%
Public transit	0.0%
Walk	1.3%
Work from home	12.3%
Other means	0.7%
Avg commute (minutes)	19.0

Poverty

All people 8.9%

Under 18 years 12.0%

18 and over 8.0%

Married-couple families 2.0%

Female-led households 28.8%

Income support

Source	% of households
Social Security	23.6%
Retirement income	20.6%
Supplemental Security	0.5%
Cash public assistance	1.5%
Food stamps / SNAP	2.2%

Health indicators

Condition	%
Obesity	28.1%
High blood pressure	25.2%
High cholesterol	29.1%
Diabetes	7.5%
Heart disease	4.4%
Stroke	1.9%
Asthma	8.6%
Arthritis	18.5%
Kidney disease	2.1%
Pulmonary disease	4.0%
Cancer	5.7%

Behavior / access	%
Smoking	12.5%
Binge drinking	20.5%
No physical activity	15.6%
Less than 7 hrs sleep	27.8%
Depression	16.6%
Fair or poor health	8.5%
Poor mental health	12.4%
Poor physical health	6.8%
No health insurance	10.6%
Visited doctor (checkup)	73.4%
Visited dentist	75.7%
Cholesterol screening	88.9%
Teeth loss	7.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,806	14.7%

Disability	%
Any disability	10.8%
Under 18	2.6%
18–64 years	11.3%
65 and over	21.0%

Health insurance coverage

Type	%
Private insurance	87.6%
Public insurance	26.9%
No insurance	2.8%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	15,527	94.7%
Spanish	255	1.6%
Other Indo-European	7	0.0%
Asian & Pacific Islander	25	0.2%
Other languages	218	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,317	93.4%
Born in same state	14,822	90.4%
Born in different state	7,543	46.0%
Foreign born	495	3.0%
Naturalized citizen	1,076	6.6%
Not a US citizen	555	51.6%

Ancestry

Ancestry	Count	%
French	1,981	12.1%
Italian	1,588	9.7%
Arab	751	4.6%
Polish	316	1.9%
Norwegian	169	1%

Ancestry	Count	%
German	98	0.6%
Dutch	60	0.4%
English	55	0.3%
Irish	34	0.2%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	98.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 66503

What city is ZIP code 66503 in?

ZIP code 66503 is primarily assigned to Manhattan, Kansas.

What county is ZIP code 66503 in?

ZIP code 66503 falls within Riley County, Kansas.

How educated is the population of ZIP code 66503?

62% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 66503 have a large veteran population?

15% of civilians in ZIP code 66503 are veterans, above the national average of ~7%.

What is the population of ZIP code 66503?

ZIP code 66503 has an estimated population of 16,393 residents, with a density of 197 people per square mile.

What is the typical home value in ZIP code 66503?

The median home value in ZIP code 66503 is $301,400.

What timezone is ZIP code 66503 in?

ZIP code 66503 observes the CST timezone.