66056 ZIP Code — Mound City, KS

Linn County, Kansas

ZIP code 66056 is located in Mound City, Kansas, within Linn County. It covers approximately 91.11 square miles and serves a population of 1,462 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 913.

About ZIP code 66056

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 $123,200. Owner-occupancy is high at 79%, well above the national average.

Median household income is $48,500. 39% 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 29 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 66056 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,462
population
91.11
sq mi land
Standard
ZIP type
Central (CT)
timezone
66056 ZIP code map
Cities in ZIP code 66056

Below are the cities the US Postal Service accepts for ZIP code 66056. Using any city not on this list may result in mail delivery delays.

City Status
Mound City Preferred
Nearby ZIP codes
66010 Blue Mound (6.9 mi) 66014 Centerville (7.1 mi) 66075 Pleasanton (8.9 mi) 66767 Prescott (9.7 mi) 66754 Mapleton (10.5 mi) 66072 Parker (12 mi) 66040 La Cygne (15.8 mi) 66026 Fontana (16.5 mi) 66716 Bronson (16.7 mi) 64745 Foster (16.8 mi) 64722 Amoret (18 mi) 66039 Kincaid (18.1 mi)
Demographics updated 05/2026
Population
Total population 1,462
Population density 16 / sq mi
State FIPS 20
County FIPS 107
Geography
Land area 91.11 sq mi
Water area 0.86 sq mi
Latitude 38.1550
Longitude -94.8603
Timezone Central (CT)
Area code 913
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 51.1% 49.8% 41.1%
$50k – $100k 33.8% 30.1% 32.2%
$100k – $200k 15.1% 16.0% 21.0%
Over $200k 0.0% 4.1% 5.7%

Demographics & statistics

1,462
Population
16
People per sq mi
41.3
Median age
$48,500
Median household income
$29,795
Per capita income
$123,200
Median home value
$722
Median monthly rent
78.8%
Home ownership
12.8%
Poverty rate
0.0%
Unemployment
711
Housing units
24.8%
Bachelor's or higher

Age distribution

Male Female
32
Under 5
30
30
5–9
29
76
10–14
72
39
15–19
38
25
20–24
24
109
25–34
105
75
35–44
71
54
45–54
52
67
55–59
64
45
60–64
44
105
65–74
100
74
75–84
71
16
85+
15
← Male
Female →

Age summary

GroupCount%
Under 1833222.7%
18 and over1,13077.3%
65 and over38126.1%
Median age41.3 years

Race & ethnicity

White 93.5%
Two or more races 2.5%
Hispanic or Latino 2.3%
Other race 0.7%
Black or African American 0.6%
American Indian / Alaska Native 0.3%
Asian 0.1%
GroupCount%
White1,39993.5%
Two or more races382.5%
Hispanic or Latino352.3%
Other race100.7%
Black or African American90.6%
American Indian / Alaska Native50.3%
Asian10.1%

Household income

Income range This ZIP County avg State avg
Under $50k 51.1% 49.8% 41.1%
$50k – $100k 33.8% 30.1% 32.2%
$100k – $200k 15.1% 16.0% 21.0%
Over $200k 0.0% 4.1% 5.7%
Under $10k 4.7%
$10k–$15k 11.4%
$15k–$25k 3.2%
$25k–$35k 17.1%
$35k–$50k 14.4%
$50k–$75k 18.6%
$75k–$100k 12.6%
$100k–$150k 12.6%
$150k–$200k 4.0%
$200k+ 1.4%
Range% of households
Under $10k4.7%
$10k–$15k11.4%
$15k–$25k3.2%
$25k–$35k17.1%
$35k–$50k14.4%
$50k–$75k18.6%
$75k–$100k12.6%
$100k–$150k12.6%
$150k–$200k4.0%
$200k+1.4%
Median income$48,500

Housing

Home values

Under $50k 14.0%
$50k–$100k 13.1%
$100k–$150k 34.2%
$150k–$200k 12.9%
$200k–$300k 14.3%
$300k–$500k 5.6%
$500k–$1M 5.9%

Housing overview

MetricValue
Median home value$123,200
Median rent / month$722
Owner occupied78.8%
Renter occupied21.2%
Vacant17.8%
Single-family detached79.4%
Large apartment buildings0.0%
Mobile homes13.6%
Median rooms5.2
Avg household size (owned)2.03

Year built

Era%
2020 or later0.0%
2010–20196.9%
2000–200920.2%
1990–19994.6%
1980–19898.7%
1970–197917.1%
1960–19693.6%
1950–19595.2%
1940–19491.3%
1939 or earlier32.4%

Bedrooms

Size% of units
No bedroom (studio)1.4%
1 bedroom12.4%
2 bedrooms25.7%
3 bedrooms43.9%
4 bedrooms13.0%
5+ bedrooms3.6%

Vehicles per household

Vehicles% of households
No vehicle2.5%
1 vehicle26.6%
2 vehicles48.6%
3 or more22.3%

Heating fuel

Fuel type%
Utility gas31.6%
Electricity31.1%
Propane / LP gas34.5%
Wood1.3%

Households & families

Household typeCount%
Married-couple family31945.1%
Cohabiting couple496.9%
Male householder, no spouse17524.7%
Female householder, no spouse16523.3%
Households with children under 1815822.3%
Households with seniors (65+)25736.3%
Average household size2.04

Marital status

StatusMaleFemale
Never married21.7%12.3%
Married60.9%55.0%
Separated0.0%1.3%
Widowed2.3%11.9%
Divorced15.1%19.5%

Education

Less than 9th grade 0.9%
Some HS, no diploma 4.8%
HS graduate 37.1%
Some college, no degree 19.2%
Associate's degree 13.1%
Bachelor's degree 19.1%
Graduate / professional 5.7%
Metric%
HS diploma or higher94.3%
Bachelor's or higher24.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten93.3%
Elementary school18466.7%
High school7828.3%
College / grad school51.8%

Employment

Industry of employment

Education & healthcare 26.7%
Finance & real estate 18.8%
Construction 15.6%
Agriculture & mining 7.5%
Other services 7.4%
Retail trade 6.6%
Public administration 5.6%
Transportation & utilities 4.5%
Manufacturing 3.2%
Professional & management 1.9%
Arts, food & hospitality 1.6%
Wholesale trade 0.4%
Information 0.3%

Occupation

Category%
Management, business & arts31.7%
Service12.4%
Sales & office19.6%
Natural resources & construction23.1%
Production & transportation13.1%

Employment type

Type%
Private sector64.2%
Government19.9%
Self-employed15.9%
Unpaid family workers0.0%

Commute

Method%
Drive alone85.3%
Carpool6.3%
Public transit0.0%
Walk3.5%
Work from home4.9%
Other means0.0%
Avg commute (minutes)28.9

Poverty

All people 12.8%
Under 18 years 8.8%
18 and over 13.9%
Married-couple families 7.5%
Female-led households 57.1%

Income support

Source% of households
Social Security38.7%
Retirement income29.2%
Supplemental Security5.8%
Cash public assistance2.5%
Food stamps / SNAP10.6%

Health indicators

Condition%
Obesity39.9%
High blood pressure40.8%
High cholesterol39.3%
Diabetes14.5%
Heart disease9.3%
Stroke4.2%
Asthma9.8%
Arthritis32.1%
Kidney disease3.8%
Pulmonary disease9.5%
Cancer8.6%
Behavior / access%
Smoking20.7%
Binge drinking15.1%
No physical activity27.8%
Less than 7 hrs sleep34.3%
Depression20.1%
Fair or poor health17.9%
Poor mental health13.8%
Poor physical health12.6%
No health insurance15.2%
Visited doctor (checkup)75.4%
Visited dentist61.0%
Cholesterol screening89.9%
Teeth loss16.7%

Veterans & disability

VeteransCount%
Civilian veterans696.1%
Disability%
Any disability15.4%
Under 180.0%
18–64 years12.8%
65 and over34.2%

Health insurance coverage

Type%
Private insurance63.0%
Public insurance41.6%
No insurance8.8%
Uninsured under 190.9%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,40095.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,45999.8%
Born in same state1,45899.7%
Born in different state98567.4%
Foreign born10.1%
Naturalized citizen30.2%
Not a US citizen3100.0%

Ancestry

AncestryCount%
French27518.8%
Italian21614.8%
Arab1208.2%
AncestryCount%
Dutch151%
English10.1%

Technology access

Metric% of households
Computer access48.4%
Internet access92.4%

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

Frequently asked questions about ZIP code 66056

What city is ZIP code 66056 in?

ZIP code 66056 is primarily assigned to Mound City, Kansas.

What county is ZIP code 66056 in?

ZIP code 66056 falls within Linn County, Kansas.

Does ZIP code 66056 have an older population?

26% of residents in ZIP code 66056 are 65 or older, above the national average of ~17%.

Does ZIP code 66056 have a large retiree population?

39% of households in ZIP code 66056 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 66056?

The median home value in ZIP code 66056 is $123,200.

What is the population of ZIP code 66056?

ZIP code 66056 has an estimated population of 1,462 residents, with a density of 16 people per square mile.

What timezone is ZIP code 66056 in?

ZIP code 66056 observes the CST timezone.

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