Saint Marys ZIP Codes — Pottawatomie County, KS

There is one unique ZIP code in Saint Marys, Kansas and it is 66536. Area code: 785.

ZIP codes

65.42

sq mi land

1.80

sq mi water

785

area code

Saint Marys, KS ZIP code map

About Saint Marys, KS

Saint Marys, Kansas, is a small city nestled in the scenic Pottawatomie County. Known for its tight-knit community and charming atmosphere, it offers a welcoming environment for both residents and visitors. The city is rich in history and provides a unique blend of rural charm and local culture.

Location & geography

Saint Marys is located in the northeastern part of Kansas, approximately 30 miles northwest of Topeka and 40 miles east of Manhattan. The city covers a land area of 65.42 square miles, complemented by 1.80 square miles of water, giving it a diverse terrain that includes lush landscapes and water features. Its proximity to nearby cities allows for easy access to additional amenities and services.

Community & economy

The character of Saint Marys is marked by its strong community ties and friendly residents who take pride in their hometown. Key industries in the area include agriculture and small business, contributing to the local economy and daily life. Residents often engage in community events, fostering a supportive environment and a sense of belonging among the population.

Transportation

Major highways in the vicinity include U.S. Route 24, which provides direct access to other parts of the state. The nearest named airport is the Topeka Regional Airport, roughly 30 miles away, offering regional flights. While public transit options may be limited, residents typically rely on personal vehicles for transportation.

History

Saint Marys was founded in the late 1800s and has since evolved into a community with deep historical roots. Key industries historically include agriculture and small manufacturing, which laid the groundwork for the city's development. Notable events often celebrate the city's rich heritage and community spirit, drawing visitors from surrounding areas.

Did you know?

A surprising fact about Saint Marys is its beautiful Saint Marys Historical Museum, which showcases the area's history and artifacts. Additionally, the city hosts a variety of events throughout the year, promoting local culture and community involvement.

ZIP codes for Saint Marys, KS (1)

ZIP code	City	County	Map
66536	Saint Marys	Pottawatomie	View map

Demographics & statistics

4,098

Population

25.8

Median age

$73,942

Median household income

$26,982

Per capita income

$201,600

Median home value

$860

Median monthly rent

73.0%

Home ownership

5.9%

Poverty rate

2.8%

Unemployment

933

Housing units

22.5%

Bachelor's or higher

Age distribution

Male Female

168

Under 5

188

143

5–9

161

186

10–14

210

227

15–19

254

202

20–24

226

248

25–34

279

164

35–44

185

45–54

106

150

55–59

169

106

60–64

119

139

65–74

156

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,272	31.0%
18 and over	2,826	69.0%
65 and over	513	12.5%
Median age	25.8 years

Race & ethnicity

White 81.5%

Two or more races 6.7%

Hispanic or Latino 5.6%

Other race 3.4%

Asian 1.6%

Black or African American 1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	3,541	81.5%
Two or more races	292	6.7%
Hispanic or Latino	245	5.6%
Other race	148	3.4%
Asian	71	1.6%
Black or African American	43	1%
American Indian / Alaska Native	3	0.1%

Household income

Under $10k 1.4%

$10k–$15k 2.1%

$15k–$25k 5.1%

$25k–$35k 6.3%

$35k–$50k 12.5%

$50k–$75k 24.0%

$75k–$100k 13.9%

$100k–$150k 20.5%

$150k–$200k 8.7%

$200k+ 5.5%

Range	% of households
Under $10k	1.4%
$10k–$15k	2.1%
$15k–$25k	5.1%
$25k–$35k	6.3%
$35k–$50k	12.5%
$50k–$75k	24.0%
$75k–$100k	13.9%
$100k–$150k	20.5%
$150k–$200k	8.7%
$200k+	5.5%
Median income	$73,942

Housing

Home values

Under $50k 5.8%

$50k–$100k 7.0%

$100k–$150k 14.4%

$150k–$200k 22.1%

$200k–$300k 29.1%

$300k–$500k 19.7%

$500k–$1M 0.9%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$201,600
Median rent / month	$860
Owner occupied	73.0%
Renter occupied	27.0%
Vacant	6.2%
Single-family detached	75.0%
Large apartment buildings	0.0%
Mobile homes	8.1%
Median rooms	6.0
Avg household size (owned)	3.81

Year built

Era	%
2020 or later	0.6%
2010–2019	8.0%
2000–2009	14.4%
1990–1999	16.2%
1980–1989	12.0%
1970–1979	11.0%
1960–1969	4.8%
1950–1959	7.3%
1940–1949	2.2%
1939 or earlier	23.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	5.5%
2 bedrooms	31.2%
3 bedrooms	24.9%
4 bedrooms	24.2%
5+ bedrooms	13.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.5%
1 vehicle	26.8%
2 vehicles	37.4%
3 or more	33.3%

Heating fuel

Fuel type	%
Utility gas	59.9%
Electricity	19.2%
Propane / LP gas	18.4%
Fuel oil	0.9%
Wood	1.6%

Households & families

Household type	Count	%
Married-couple family	822	70.1%
Cohabiting couple	5	0.4%
Male householder, no spouse	145	12.4%
Female householder, no spouse	201	17.1%
Households with children under 18	517	44.1%
Households with seniors (65+)	332	28.3%
Average household size	3.37

Marital status

Status	Male	Female
Never married	29.8%	49.0%
Married	64.1%	41.7%
Separated	0.0%	0.3%
Widowed	3.3%	4.5%
Divorced	2.8%	4.5%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.3%

HS graduate 36.2%

Some college, no degree 25.5%

Associate's degree 12.6%

Bachelor's degree 15.2%

Graduate / professional 7.3%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	22.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	44	3.5%
Kindergarten	47	3.7%
Elementary school	574	45.3%
High school	308	24.3%
College / grad school	294	23.2%

Employment

Industry of employment

Education & healthcare 24.5%

Manufacturing 23.0%

Professional & management 8.6%

Construction 7.7%

Public administration 7.7%

Arts, food & hospitality 5.8%

Retail trade 4.8%

Other services 4.1%

Transportation & utilities 3.9%

Finance & real estate 3.3%

Agriculture & mining 2.9%

Information 2.6%

Wholesale trade 1.3%

Occupation

Category	%
Management, business & arts	27.5%
Service	18.9%
Sales & office	17.9%
Natural resources & construction	8.4%
Production & transportation	27.2%

Employment type

Type	%
Private sector	81.1%
Government	12.2%
Self-employed	6.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.1%
Carpool	10.8%
Public transit	0.0%
Walk	5.4%
Other means	1.0%
Avg commute (minutes)	15.1

Poverty

All people 5.9%

Under 18 years 4.7%

18 and over 6.4%

Married-couple families 0.7%

Female-led households 10.4%

Income support

Source	% of households
Social Security	27.1%
Retirement income	21.6%
Supplemental Security	4.4%
Cash public assistance	0.3%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
High blood pressure	32.9%
High cholesterol	33.5%
Heart disease	6.2%
Stroke	2.8%
Asthma	9.4%
Arthritis	22.9%
Kidney disease	2.7%
Pulmonary disease	6.3%
Cancer	6.5%

Behavior / access	%
Binge drinking	18.2%
No physical activity	22.7%
Less than 7 hrs sleep	31.7%
Fair or poor health	13.0%
Poor mental health	14.5%
Poor physical health	9.5%
No health insurance	15.4%
Visited doctor (checkup)	71.9%
Visited dentist	66.6%
Cholesterol screening	86.8%
Teeth loss	13.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	209	7.4%

Disability	%
Any disability	10.9%
Under 18	2.9%
18–64 years	9.8%
65 and over	37.0%

Health insurance coverage

Type	%
Private insurance	75.7%
Public insurance	26.4%
Uninsured under 19	4.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,742	91.3%
Spanish	20	0.5%
Other Indo-European	11	0.3%
Asian & Pacific Islander	9	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,990	97.4%
Born in same state	3,901	95.2%
Born in different state	2,237	54.6%
Foreign born	89	2.2%
Naturalized citizen	108	2.6%
Not a US citizen	32	29.6%

Ancestry

Ancestry	Count	%
Italian	878	21.4%
French	298	7.3%
Arab	112	2.7%
English	81	2%

Ancestry	Count	%
Irish	79	1.9%
German	41	1%
Polish	22	0.5%
Dutch	17	0.4%

Technology access

Metric	% of households
Computer access	28.6%
Internet access	97.4%

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

Frequently asked questions

What ZIP codes does Saint Marys, KS have?

Saint Marys, KS has one ZIP code: 66536. Each ZIP code serves a distinct delivery area within the city and surrounding region.