ZIP Code 66401
standardSource:
Alma · Wabaunsee County · Kansas
- Population
- 1,721
- Median income
- $73,516
- Median home value
- $220,900
- Bachelor's or higher
- 26.8%
- Land area
- 614.6 sq mi
3/sq mi
▼ 4% vs US
higher than 52% of US ZIPs
▼ 21% vs US
higher than 50% of US ZIPs
Median age 43.9
Chicago
ZIP code 66401 in Alma, Kansas has a population of 1,721. The median household income is $73,516, which is 4% below the national average. Median home value is $220,900, 21% below the US average. 26.8% of residents hold a bachelor's degree or higher.
ZIP code 66401 is classified by USPS as a standard delivery area and covers roughly 614.6 square miles in Alma, Wabaunsee County, Kansas. The area is home to 1,721 residents, producing a population density of 3 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 66401 against Kansas and the nation.
On the economic side, the median household income for ZIP 66401 sits at $73,516 (2% above the Kansas average), while per-capita income is $44,475. The poverty rate stands at 5.5% and the unemployment rate at 1.7%. On housing, the median home value is $220,900 (37% above the state average) with median rent at — per month, and 72.8% of occupied units are owner-occupied, a direct signal of whether 66401 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 26.8% of adults hold a bachelor's degree or higher, the median age is 43.9, and the average commute is 27 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Wabaunsee County, so you can benchmark 66401 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 66401
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 66401.
- Other services (except public administration)
Other services (except public administration)
6 establishments
- Construction
Construction
5 establishments
- Health care and social assistance
Health care and social assistance
5 establishments
- Accommodation and food services
Accommodation and food services
5 establishments
- Mining, quarrying, and oil and gas extraction
Mining, quarrying, and oil and gas extraction
4 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 66401, Alma, 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
1,721
Population
614.6
Area (sq mi)
3
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 66401?
43.9
Median Age
56.0%
Male
44.0%
Female
0.8%
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?
$73,516
Median Household Income
+2% vs state
$44,475
Per Capita Income
5.5%
Poverty Rate
1.7%
Unemployment Rate
26.5 min
Mean Commute Time
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?
1,057
Total Housing Units
843
Occupied Units
214
Vacant Units
2.26
Avg Household Size
Occupancy Type
$220,900
Median Home Value
+37% vs state
1960
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 47 business establishments in ZIP 66401, employing approximately 448 people with a combined annual payroll of $18,656,000.
47
Businesses
448
Employees
$18.7M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 6 | 12.8% |
| Construction | 5 | 10.6% |
| Health care and social assistance | 5 | 10.6% |
| Accommodation and food services | 5 | 10.6% |
| Mining, quarrying, and oil and gas extraction | 4 | 8.5% |
| Retail trade | 4 | 8.5% |
| Manufacturing | 3 | 6.4% |
| Finance and insurance | 3 | 6.4% |
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 66401 vs 66501 →
More ZIP Codes in Wabaunsee County
Related Areas
Frequently Asked Questions
What county is ZIP code 66401 in? ▼
What is the population of ZIP code 66401? ▼
What is the median household income in ZIP 66401? ▼
What is the average home value in ZIP 66401? ▼
What is the demographic makeup of ZIP 66401? ▼
How many businesses are in ZIP code 66401? ▼
What are the main industries in ZIP code 66401? ▼
What is the education level in ZIP code 66401? ▼
What is the average commute time in ZIP 66401? ▼
What percentage of residents own vs. rent in ZIP 66401? ▼
What is the poverty rate in ZIP code 66401? ▼
ZIP Code Research Guides
Official Data Resources for Alma, 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.