ZIP Code 66056

standard

Source:

Mound City · Linn County · Kansas

Population
1,694

8/sq mi

Median income
$57,813

▼ 24% vs US

higher than 25% of US ZIPs

Median home value
$163,200

▼ 41% vs US

higher than 31% of US ZIPs

Bachelor's or higher
23.4%

Median age 47

Land area
220.0 sq mi

Chicago

ZIP code 66056 in Mound City, Kansas has a population of 1,694. The median household income is $57,813, which is 24% below the national average. Median home value is $163,200, 41% below the US average. 23.4% of residents hold a bachelor's degree or higher.

ZIP code 66056 is classified by USPS as a standard delivery area and covers roughly 220.0 square miles in Mound City, Linn County, Kansas. The area is home to 1,694 residents, producing a population density of 8 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 66056 against Kansas and the nation.

On the economic side, the median household income for ZIP 66056 sits at $57,813 (20% below the Kansas average), while per-capita income is $33,586. The poverty rate stands at 13.5% and the unemployment rate at 0.7%. On housing, the median home value is $163,200 (1% above the state average) with median rent at $813 per month, and 83.2% of occupied units are owner-occupied, a direct signal of whether 66056 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 23.4% of adults hold a bachelor's degree or higher, the median age is 47, and the average commute is . We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Linn County, so you can benchmark 66056 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 66056

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 66056.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 66056, Mound City, KS · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,694

Population

220.0

Area (sq mi)

8

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 66056?

47.0

Median Age

51.1%

Male

48.9%

Female

0.2%

Foreign-Born

White 91.8%
African American 0.4%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.8%
Hispanic or Latino 3.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$57,813

Median Household Income

-20% vs state

$33,586

Per Capita Income

13.5%

Poverty Rate

0.7%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.0%
Bachelor's Degree or Higher 23.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

830

Total Housing Units

685

Occupied Units

145

Vacant Units

2.01

Avg Household Size

Occupancy Type

Owner 83.2%
Renter 16.8%

$163,200

Median Home Value

+1% vs state

$813

Median Rent

1973

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 55 business establishments in ZIP 66056, employing approximately 274 people with a combined annual payroll of $8,066,000.

55

Businesses

274

Employees

$8.1M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Retail trade 11 20.0%
Other services (except public administration) 8 14.6%
Construction 6 10.9%
Finance and insurance 6 10.9%
Professional, scientific, and technical services 6 10.9%
Transportation and warehousing 3 5.5%
Real estate and rental and leasing 3 5.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 66056 vs 66754 →

ZIP Code City Population Distance
66754 Mapleton, KS 451 10.2 mi
66010 Blue Mound, KS 606 8.6 mi
66767 Prescott, KS 511 9.0 mi
66014 Centerville, KS 349 9.1 mi
66738 Fulton, KS 376 11.6 mi

More ZIP Codes in Linn County

Frequently Asked Questions

What county is ZIP code 66056 in?
ZIP code 66056 (Mound City) is located in Linn County, Kansas. Linn County contains multiple ZIP codes, see the full list at /counties/linn-ks.
What is the population of ZIP code 66056?
ZIP code 66056 in Mound City, KS has a population of 1,694 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 66056?
The median household income in ZIP 66056 is $57,813, which is 24% below the national average of $76,288.
What is the average home value in ZIP 66056?
The median home value in ZIP 66056 is $163,200, which is 41% below the national average of $278,155.
What is the demographic makeup of ZIP 66056?
The largest racial group in ZIP 66056 is White at 91.8%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 66056?
ZIP code 66056 has 55 business establishments employing approximately 274 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 66056?
The top industries by establishment count in ZIP 66056 are: Retail trade (11), Other services (except public administration) (8), Construction (6). There are 7 industry sectors represented in total.
What is the education level in ZIP code 66056?
In ZIP code 66056, 68.0% of residents aged 25+ have a high school diploma or higher, and 23.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 66056?
In ZIP code 66056, approximately 83.2% of occupied housing units are owner-occupied and 16.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 66056?
The poverty rate in ZIP code 66056 is 13.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Mound City, KS

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.