Leavenworth, KS ZIP Codes
2 ZIP codes serve Leavenworth, Kansas: 66048 and 66027. Together they are home to 43,082 residents in 15,861 households. Median household income ranges from $72,734 in 66048 to $102,208 in 66027.
Leavenworth city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 37,195 |
| Households | 13,733 |
| Median household income | $72,987 |
| Median home value | $193,000 |
| Median age | 35.9 |
| Median rent | $1,229 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 43,082 |
| Households (sum of ZIP codes) | 15,861 |
| Median household income, range across ZIP codes | $72,734 (66048) to $102,208 (66027) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $75,874 |
| Homeowners | 57.5% |
| Households with kids under 18 | 29.9% |
| Moved in the past year | 27.1% |
| Carrier routes in EDDM2GO's route library | 24 routes, 14,938 homes (1 of 2 ZIP codes) |
Top facts
- Highest median household income in Leavenworth: 66027 ($102,208)
- Most residents: 66048 (35,717 people)
- Highest homeownership: 66048 (64.2% own their home)
- Most households with kids: 66027 (73.9% of households)
- Most new movers: 66027 (55.8% moved in last year)
- Youngest median age: 66027 (26.3 years)
Every ZIP code in Leavenworth
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 66048 | Leavenworth | 35,717 | 14,171 | $72,734 | $219,100 | 64.2% | 24.7% | 21.2% | 24 | 15,759 | 11% of its land; mailing city |
| 66027 | Fort Leavenworth | 7,365 | 1,690 | $102,208 | — | 0.9% | 73.9% | 55.8% | — | — | 100% of its land |
A ZIP code is listed for Leavenworth when at least 10% of its land lies inside Leavenworth city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Leavenworth. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Leavenworth.
Counties
- Leavenworth County — 10 ZIP codes
Nearby cities sharing these ZIP codes
- Lansing — 2 ZIP codes
Price a mailing to Leavenworth ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Leavenworth, KS?
- 66048 and 66027. A ZIP code is listed for Leavenworth when at least 10% of its land lies inside Leavenworth city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Leavenworth.
- What is the population of Leavenworth, KS?
- The Census Bureau counts 37,195 residents inside Leavenworth city limits (ACS 2020–2024). The 2 ZIP codes that serve Leavenworth hold 43,082 residents in all.
- What is the median household income in Leavenworth, KS?
- $72,987 inside Leavenworth city limits, per the Census Bureau. Across its ZIP codes the medians run from $72,734 to $102,208.
- Which Leavenworth ZIP code has the highest median household income?
- 66027, at $102,208, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Leavenworth, KS?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 24 carrier routes reaching 14,938 residential and 820 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.