Junction City, KY ZIP Codes
2 ZIP codes serve Junction City, Kentucky: 40422 and 40440. Together they are home to 28,378 residents in 10,919 households. That is more than the 2,643 people counted inside Junction City city limits, because these ZIP codes reach past its boundary. Median household income ranges from $54,500 in 40440 to $59,615 in 40422.
Junction City city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,643 |
| Households | 1,077 |
| Median household income | $45,938 |
| Median home value | $117,100 |
| Median age | 37.1 |
| Median rent | $969 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 28,378 |
| Households (sum of ZIP codes) | 10,919 |
| Median household income, range across ZIP codes | $54,500 (40440) to $59,615 (40422) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $59,170 |
| Homeowners | 66.0% |
| Households with kids under 18 | 29.7% |
| Moved in the past year | 13.2% |
| Carrier routes in EDDM2GO's route library | 20 routes, 11,387 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Junction City: 40422 ($59,615)
- Most residents: 40422 (25,950 people)
- Highest homeownership: 40440 (88.0% own their home)
- Most households with kids: 40440 (42.8% of households)
- Most new movers: 40422 (14.1% moved in last year)
- Youngest median age: 40440 (37.9 years)
- Highest median home value: 40422 ($220,400)
Every ZIP code in Junction City
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40422 | Danville | 25,950 | 9,969 | $59,615 | $220,400 | 63.9% | 28.4% | 14.1% | 18 | 11,402 | 1% of its land |
| 40440 | Junction City | 2,428 | 950 | $54,500 | $134,700 | 88.0% | 42.8% | 3.5% | 2 | 947 | 10% of its land; mailing city |
A ZIP code is listed for Junction City when at least 10% of its land lies inside Junction City city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Junction City. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Junction City.
Counties
- Boyle County — 5 ZIP codes
Nearby cities sharing these ZIP codes
- Danville — 1 ZIP code
Price a mailing to Junction City ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Junction City, KY?
- 40422 and 40440. A ZIP code is listed for Junction City when at least 10% of its land lies inside Junction City city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Junction City.
- What is the population of Junction City, KY?
- The Census Bureau counts 2,643 residents inside Junction City city limits (ACS 2020–2024). The 2 ZIP codes that serve Junction City hold 28,378 residents in all.
- What is the median household income in Junction City, KY?
- $45,938 inside Junction City city limits, per the Census Bureau. Across its ZIP codes the medians run from $54,500 to $59,615.
- Which Junction City ZIP code has the highest median household income?
- 40422, at $59,615, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Junction City, KY?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 20 carrier routes reaching 11,387 residential and 960 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.