ZIP Code 66056
standardSource:
Mound City · Linn County · Kansas
- Population
- 1,694
- Median income
- $57,813
- Median home value
- $163,200
- Bachelor's or higher
- 23.4%
- Land area
- 220.0 sq mi
8/sq mi
▼ 24% vs US
higher than 25% of US ZIPs
▼ 41% vs US
higher than 31% of US ZIPs
Median age 47
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.
- Retail trade
Retail trade
11 establishments
- Other services (except public administration)
Other services (except public administration)
8 establishments
- Construction
Construction
6 establishments
- Finance and insurance
Finance and insurance
6 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
6 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, 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
Who lives in ZIP 66056?
47.0
Median Age
51.1%
Male
48.9%
Female
0.2%
Foreign-Born
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?
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
$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 →
More ZIP Codes in Linn County
Related Areas
Frequently Asked Questions
What county is ZIP code 66056 in? ▼
What is the population of ZIP code 66056? ▼
What is the median household income in ZIP 66056? ▼
What is the average home value in ZIP 66056? ▼
What is the demographic makeup of ZIP 66056? ▼
How many businesses are in ZIP code 66056? ▼
What are the main industries in ZIP code 66056? ▼
What is the education level in ZIP code 66056? ▼
What percentage of residents own vs. rent in ZIP 66056? ▼
What is the poverty rate in ZIP code 66056? ▼
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.
Read our methodology , how this data is sourced, computed, and verified.