66536 ZIP Code — Saint Marys, KS

Pottawatomie County, Kansas

ZIP code 66536 is located in Saint Marys, Kansas, within Pottawatomie County. It covers approximately 65.42 square miles and serves a population of 4,098 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66536

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $201,600. Owner-occupancy sits near the national average at 73%.

Median household income is $73,942. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 15 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

4,098
population
65.42
sq mi land
Standard
ZIP type
Central (CT)
timezone
66536 ZIP code map
Cities in ZIP code 66536

Below are the cities the US Postal Service accepts for ZIP code 66536. Using any city not on this list may result in mail delivery delays.

City Status
Saint Marys Acceptable
Saint Marys Preferred
Nearby ZIP codes
66407 Belvue (6.3 mi) 66533 Rossville (7.9 mi) 66422 Emmett (8 mi) 66526 Paxico (9 mi) 66547 Wamego (12 mi) 66507 Maple Hill (12 mi) 66539 Silver Lake (13.4 mi) 66615 Topeka (16.5 mi) 66521 Onaga (17.2 mi) 66618 Topeka (17.4 mi) 66509 Mayetta (18 mi) 66614 Topeka (19.3 mi)
Demographics updated 05/2026
Population
Total population 4,098
Population density 63 / sq mi
State FIPS 20
County FIPS 149
Geography
Land area 65.42 sq mi
Water area 1.80 sq mi
Latitude 39.2124
Longitude -96.0820
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 31.0% 37.4% 41.1%
$50k – $100k 41.3% 35.3% 32.2%
$100k – $200k 24.0% 23.4% 21.0%
Over $200k 3.7% 3.9% 5.7%

Demographics & statistics

4,098
Population
63
People per sq mi
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
94
45–54
106
150
55–59
169
106
60–64
119
139
65–74
156
62
75–84
70
40
85+
46
← Male
Female →

Age summary

GroupCount%
Under 181,27231.0%
18 and over2,82669.0%
65 and over51312.5%
Median age25.8 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%
GroupCount%
White3,54181.5%
Two or more races2926.7%
Hispanic or Latino2455.6%
Other race1483.4%
Asian711.6%
Black or African American431%
American Indian / Alaska Native30.1%

Household income

Income range This ZIP County avg State avg
Under $50k 31.0% 37.4% 41.1%
$50k – $100k 41.3% 35.3% 32.2%
$100k – $200k 24.0% 23.4% 21.0%
Over $200k 3.7% 3.9% 5.7%
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 $10k1.4%
$10k–$15k2.1%
$15k–$25k5.1%
$25k–$35k6.3%
$35k–$50k12.5%
$50k–$75k24.0%
$75k–$100k13.9%
$100k–$150k20.5%
$150k–$200k8.7%
$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

MetricValue
Median home value$201,600
Median rent / month$860
Owner occupied73.0%
Renter occupied27.0%
Vacant6.2%
Single-family detached75.0%
Large apartment buildings0.0%
Mobile homes8.1%
Median rooms6.0
Avg household size (owned)3.81

Year built

Era%
2020 or later0.6%
2010–20198.0%
2000–200914.4%
1990–199916.2%
1980–198912.0%
1970–197911.0%
1960–19694.8%
1950–19597.3%
1940–19492.2%
1939 or earlier23.4%

Bedrooms

Size% of units
No bedroom (studio)0.3%
1 bedroom5.5%
2 bedrooms31.2%
3 bedrooms24.9%
4 bedrooms24.2%
5+ bedrooms13.8%

Vehicles per household

Vehicles% of households
No vehicle2.5%
1 vehicle26.8%
2 vehicles37.4%
3 or more33.3%

Heating fuel

Fuel type%
Utility gas59.9%
Electricity19.2%
Propane / LP gas18.4%
Fuel oil0.9%
Wood1.6%

Households & families

Household typeCount%
Married-couple family82270.1%
Cohabiting couple50.4%
Male householder, no spouse14512.4%
Female householder, no spouse20117.1%
Households with children under 1851744.1%
Households with seniors (65+)33228.3%
Average household size3.37

Marital status

StatusMaleFemale
Never married29.8%49.0%
Married64.1%41.7%
Separated0.0%0.3%
Widowed3.3%4.5%
Divorced2.8%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 higher96.8%
Bachelor's or higher22.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool443.5%
Kindergarten473.7%
Elementary school57445.3%
High school30824.3%
College / grad school29423.2%

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 & arts27.5%
Service18.9%
Sales & office17.9%
Natural resources & construction8.4%
Production & transportation27.2%

Employment type

Type%
Private sector81.1%
Government12.2%
Self-employed6.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone76.1%
Carpool10.8%
Public transit0.0%
Walk5.4%
Work from home6.6%
Other means1.0%
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 Security27.1%
Retirement income21.6%
Supplemental Security4.4%
Cash public assistance0.3%
Food stamps / SNAP3.2%

Health indicators

Condition%
Obesity35.1%
High blood pressure32.9%
High cholesterol33.5%
Diabetes9.9%
Heart disease6.2%
Stroke2.8%
Asthma9.4%
Arthritis22.9%
Kidney disease2.7%
Pulmonary disease6.3%
Cancer6.5%
Behavior / access%
Smoking17.7%
Binge drinking18.2%
No physical activity22.7%
Less than 7 hrs sleep31.7%
Depression18.8%
Fair or poor health13.0%
Poor mental health14.5%
Poor physical health9.5%
No health insurance15.4%
Visited doctor (checkup)71.9%
Visited dentist66.6%
Cholesterol screening86.8%
Teeth loss13.5%

Veterans & disability

VeteransCount%
Civilian veterans2097.4%
Disability%
Any disability10.9%
Under 182.9%
18–64 years9.8%
65 and over37.0%

Health insurance coverage

Type%
Private insurance75.7%
Public insurance26.4%
No insurance7.9%
Uninsured under 194.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,74291.3%
Spanish200.5%
Other Indo-European110.3%
Asian & Pacific Islander90.2%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)3,99097.4%
Born in same state3,90195.2%
Born in different state2,23754.6%
Foreign born892.2%
Naturalized citizen1082.6%
Not a US citizen3229.6%

Ancestry

AncestryCount%
Italian87821.4%
French2987.3%
Arab1122.7%
English812%
AncestryCount%
Irish791.9%
German411%
Polish220.5%
Dutch170.4%

Technology access

Metric% of households
Computer access28.6%
Internet access97.4%

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

Frequently asked questions about ZIP code 66536

What city is ZIP code 66536 in?

ZIP code 66536 is primarily assigned to Saint Marys, Kansas.

What county is ZIP code 66536 in?

ZIP code 66536 falls within Pottawatomie County, Kansas.

Is ZIP code 66536 family-oriented?

31% of residents in ZIP code 66536 are under 18, reflecting a younger, family-oriented community.

What is the population of ZIP code 66536?

ZIP code 66536 has an estimated population of 4,098 residents, with a density of 63 people per square mile.

What is the typical home value in ZIP code 66536?

The median home value in ZIP code 66536 is $201,600.

What is the median household income in ZIP code 66536?

The median household income in ZIP code 66536 is $73,942, below the national median of ~$75,000.

What timezone is ZIP code 66536 in?

ZIP code 66536 observes the CST timezone.

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