Kirby, AR ZIP Codes
2 ZIP codes serve Kirby, Arkansas: 71921 and 71950. Together they are home to 4,434 residents in 1,573 households. That is more than the 579 people counted inside Kirby Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $54,271 in 71921 to $61,786 in 71950.
Kirby Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 579 |
| Households | 209 |
| Median household income | $66,607 |
| Median home value | $163,700 |
| Median age | 41.4 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,434 |
| Households (sum of ZIP codes) | 1,573 |
| Median household income, range across ZIP codes | $54,271 (71921) to $61,786 (71950) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $55,867 |
| Homeowners | 86.0% |
| Households with kids under 18 | 33.6% |
| Moved in the past year | 7.6% |
| Carrier routes in EDDM2GO's route library | 1 routes, 309 homes (1 of 2 ZIP codes) |
Top facts
- Highest median household income in Kirby: 71950 ($61,786)
- Most residents: 71921 (3,427 people)
- Highest homeownership: 71921 (87.6% own their home)
- Most households with kids: 71950 (44.0% of households)
- Most new movers: 71921 (9.1% moved in last year)
- Youngest median age: 71950 (40.5 years)
- Highest median home value: 71950 ($115,700)
Every ZIP code in Kirby
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 71921 | Amity | 3,427 | 1,239 | $54,271 | $109,000 | 87.6% | 30.8% | 9.1% | — | — | 5% of its land |
| 71950 | Kirby | 1,007 | 334 | $61,786 | $115,700 | 80.2% | 44.0% | 2.6% | 1 | 317 | 23% of its land; mailing city |
A ZIP code is listed for Kirby when at least 10% of its land lies inside the Kirby Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Kirby. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Kirby.
Counties
- Clark County — 9 ZIP codes
- Pike County — 10 ZIP codes
Price a mailing to Kirby ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Kirby, AR?
- 71921 and 71950. A ZIP code is listed for Kirby when at least 10% of its land lies inside the Kirby Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Kirby.
- What is the population of Kirby, AR?
- The Census Bureau counts 579 residents inside Kirby Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Kirby hold 4,434 residents in all.
- What is the median household income in Kirby, AR?
- $66,607 inside Kirby Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $54,271 to $61,786.
- Which Kirby ZIP code has the highest median household income?
- 71950, at $61,786, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Kirby, AR?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 309 residential and 8 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.