Mound City, KS · standard
ZIP Code 66056
Linn County, Kansas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,694
- 8/sq mi Low-density area
- $57,813
- Median income Below-median income area
- $163,200
- Median home value Below-median home value
- 23.4%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Mound City pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 25th pct
- household income, US ZIPs
- 31st pct
- home value, US ZIPs
- 8
- people per sq mi
- 83%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 66056 against every reporting US ZIP.
ZIP code 66056 covers 220.0 square miles in Mound City, Linn County, Kansas (a standard USPS delivery area), with a modest 1,694 residents on file, a density of 8 people per square mile, in the Chicago time zone.
ZIP 66056 reports a modest median household income of $57,813 (20% below the average Kansas ZIP), while per-capita income is $33,586. The poverty rate is 13.5%, with unemployment at 0.7%; those measures add context to the income figure. Median home value is $163,200 (1% above the average Kansas ZIP) and median rent is $813; 83.2% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 23.4% of adults hold a bachelor's degree or higher, the median age is 47, and the average commute is -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Linn County, so 66056 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 66056
Top 5 sectors by establishment count in Mound City, KS
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$33,586
Per Capita Income
13.5%
Poverty Rate
0.7%
Unemployment Rate
How ZIP 66056 ranks among Kansas ZIPs
Mound City, KS household income vs. every Kansas ZIP code
Median household income among 659 reporting Kansas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$57,813 28th percentile higher than 28% of 659 Kansas ZIPs
Each bar is a $20K-wide band; taller bars hold more Kansas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
830housing units
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 ZIP avg
$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 66056 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 66056
Mound City (66056)
1,694 residents
- 66010 606
Blue Mound (66010)
606 residents
- 66767 511
Prescott (66767)
511 residents
- 66754 451
Mapleton (66754)
451 residents
- 66738 376
Fulton (66738)
376 residents
- 66014 349
Centerville (66014)
349 residents
What this shows Among its immediate neighbors, ZIP 66056 ranks the most populous - useful context the national average alone can't give.
ZIP 66056 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 66014
Centerville (66014)
$105,431 median income
- 66056
Mound City (66056)
$57,813 median income
- 66767
Prescott (66767)
$46,635 median income
- 66010
Blue Mound (66010)
$44,318 median income
- 66754
Mapleton (66754)
$43,750 median income
- 66738 $41,389
Fulton (66738)
$41,389 median income
What this shows By household income, ZIP 66056 ranks #2 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 66056, both outside KS so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,694 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Linn County
Related Areas
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.
Related
Take this with you
What to do with ZIP 66056's numbers, next.
- See how ZIP 66056 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Mound City, KS ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.