66520 ZIP Code — Olsburg, KS

Pottawatomie County, Kansas

ZIP code 66520 is located in Olsburg, Kansas, within Pottawatomie County. It covers approximately 105.71 square miles and serves a population of 537 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66520

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 $170,800. Owner-occupancy is high at 87%, well above the national average.

Median household income is $83,750. The poverty rate of 3% is below the national average. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 66520 reflects a community defined by high homeownership and a significant Social Security-dependent population.

537

population

105.71

sq mi land

Standard

ZIP type

Central (CT)

timezone

66520 ZIP code map

Cities in ZIP code 66520

Below are the cities the US Postal Service accepts for ZIP code 66520. Using any city not on this list may result in mail delivery delays.

City	Status
Olsburg	Preferred

Nearby ZIP codes

66554 Randolph (6.7 mi) 66549 Westmoreland (11.1 mi) 66449 Leonardville (11.6 mi) 66503 Manhattan (13 mi) 66411 Blue Rapids (15.8 mi) 66535 Saint George (16 mi) 66506 Manhattan (16.5 mi) 66531 Riley (18.1 mi) 66502 Manhattan (18.5 mi) 66548 Waterville (19 mi) 67447 Green (19.7 mi)

Demographics updated 05/2026

Population
Total population	537
Population density	5 / sq mi
State FIPS	20
County FIPS	149

Geography
Land area	105.71 sq mi
Water area	14.84 sq mi
Latitude	39.4321
Longitude	-96.6277
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	31.7%	37.4%	41.1%
$50k – $100k	34.8%	35.3%	32.2%
$100k – $200k	32.1%	23.4%	21.0%
Over $200k	1.4%	3.9%	5.7%

Demographics & statistics

537

Population

People per sq mi

42.2

Median age

$83,750

Median household income

$38,001

Per capita income

$170,800

Median home value

$638

Median monthly rent

87.2%

Home ownership

3.0%

Poverty rate

0.3%

Unemployment

221

Housing units

28.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	103	19.2%
18 and over	434	80.8%
65 and over	100	18.6%
Median age	42.2 years

Race & ethnicity

White 95.6%

Two or more races 2.2%

Hispanic or Latino 1.5%

Other race 0.7%

Group	Count	%
White	521	95.6%
Two or more races	12	2.2%
Hispanic or Latino	8	1.5%
Other race	4	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.7%	37.4%	41.1%
$50k – $100k	34.8%	35.3%	32.2%
$100k – $200k	32.1%	23.4%	21.0%
Over $200k	1.4%	3.9%	5.7%

$10k–$15k 2.2%

$15k–$25k 2.2%

$25k–$35k 9.3%

$35k–$50k 11.0%

$50k–$75k 21.6%

$75k–$100k 18.9%

$100k–$150k 25.6%

$150k–$200k 6.6%

$200k+ 2.6%

Range	% of households
$10k–$15k	2.2%
$15k–$25k	2.2%
$25k–$35k	9.3%
$35k–$50k	11.0%
$50k–$75k	21.6%
$75k–$100k	18.9%
$100k–$150k	25.6%
$150k–$200k	6.6%
$200k+	2.6%
Median income	$83,750

Housing

Home values

Under $50k 3.0%

$50k–$100k 17.7%

$100k–$150k 24.2%

$150k–$200k 6.6%

$200k–$300k 14.1%

$300k–$500k 24.2%

$500k–$1M 6.6%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$170,800
Median rent / month	$638
Owner occupied	87.2%
Renter occupied	12.8%
Vacant	9.2%
Single-family detached	95.2%
Large apartment buildings	0.0%
Mobile homes	4.8%
Median rooms	7.0
Avg household size (owned)	2.34

Year built

Era	%
2020 or later	0.0%
2010–2019	11.2%
2000–2009	4.8%
1990–1999	13.6%
1980–1989	10.0%
1970–1979	23.2%
1960–1969	6.0%
1950–1959	0.8%
1940–1949	2.4%
1939 or earlier	28.0%

Bedrooms

Size	% of units
No bedroom (studio)	5.6%
1 bedroom	7.2%
2 bedrooms	15.2%
3 bedrooms	46.0%
4 bedrooms	16.8%
5+ bedrooms	9.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	11.5%
2 vehicles	49.8%
3 or more	38.3%

Heating fuel

Fuel type	%
Electricity	15.9%
Propane / LP gas	66.1%
Wood	14.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	167	73.6%
Cohabiting couple	5	2.2%
Male householder, no spouse	37	16.3%
Female householder, no spouse	18	7.9%
Households with children under 18	42	18.5%
Households with seniors (65+)	66	29.1%
Average household size	2.37

Marital status

Status	Male	Female
Never married	24.6%	12.6%
Married	67.7%	82.0%
Separated	0.0%	0.0%
Widowed	2.0%	2.4%
Divorced	5.6%	2.9%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.4%

HS graduate 36.9%

Some college, no degree 15.7%

Associate's degree 17.8%

Bachelor's degree 17.8%

Graduate / professional 10.4%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	28.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	8	8.1%
Kindergarten	4	4.0%
Elementary school	54	54.5%
High school	26	26.3%
College / grad school	7	7.1%

Employment

Industry of employment

Education & healthcare 33.3%

Agriculture & mining 22.0%

Retail trade 8.0%

Transportation & utilities 7.7%

Arts, food & hospitality 7.0%

Professional & management 6.0%

Construction 4.3%

Manufacturing 4.0%

Other services 3.7%

Public administration 1.7%

Finance & real estate 1.3%

Wholesale trade 1.0%

Occupation

Category	%
Management, business & arts	55.3%
Service	11.0%
Sales & office	11.0%
Natural resources & construction	13.3%
Production & transportation	9.3%

Employment type

Type	%
Private sector	69.7%
Government	10.0%
Self-employed	20.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	65.8%
Carpool	13.4%
Public transit	0.0%
Walk	4.4%
Work from home	14.1%
Other means	2.3%
Avg commute (minutes)	23.7

Poverty

All people 3.0%

Under 18 years 5.8%

18 and over 2.3%

Married-couple families 0.6%

Female-led households 25.0%

Income support

Source	% of households
Social Security	37.9%
Retirement income	22.9%
Supplemental Security	3.1%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	36.0%
High blood pressure	35.0%
High cholesterol	35.4%
Diabetes	10.4%
Heart disease	6.4%
Stroke	2.8%
Asthma	9.2%
Arthritis	24.3%
Kidney disease	2.7%
Pulmonary disease	6.5%
Cancer	6.8%

Behavior / access	%
Smoking	18.0%
Binge drinking	18.1%
No physical activity	21.2%
Less than 7 hrs sleep	31.6%
Depression	18.4%
Fair or poor health	12.7%
Poor mental health	13.5%
Poor physical health	9.7%
No health insurance	13.1%
Visited doctor (checkup)	72.4%
Visited dentist	68.2%
Cholesterol screening	89.5%
Teeth loss	12.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	27	6.2%

Disability	%
Any disability	16.4%
Under 18	0.0%
18–64 years	15.3%
65 and over	37.0%

Health insurance coverage

Type	%
Private insurance	84.5%
Public insurance	23.3%
No insurance	4.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	525	97.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	534	99.4%
Born in same state	500	93.1%
Born in different state	373	69.5%
Foreign born	34	6.3%
Naturalized citizen	3	0.6%
Not a US citizen	3	100.0%

Ancestry

Ancestry	Count	%
Arab	53	9.9%
French	51	9.5%
Italian	33	6.1%
German	4	0.7%

Ancestry	Count	%
English	4	0.7%
Polish	4	0.7%
Irish	2	0.4%
Dutch	1	0.2%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	91.2%

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

Frequently asked questions about ZIP code 66520

What city is ZIP code 66520 in?

ZIP code 66520 is primarily assigned to Olsburg, Kansas.

What county is ZIP code 66520 in?

ZIP code 66520 falls within Pottawatomie County, Kansas.

Is ZIP code 66520 mostly owner-occupied?

87% of occupied units in ZIP code 66520 are owner-occupied, well above the national average.

Does ZIP code 66520 have a large retiree population?

38% of households in ZIP code 66520 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 66520?

The median home value in ZIP code 66520 is $170,800.

What is the population of ZIP code 66520?

ZIP code 66520 has an estimated population of 537 residents, with a density of 5 people per square mile.

What timezone is ZIP code 66520 in?

ZIP code 66520 observes the CST timezone.