| ZIP Codes: | 26 ZIP Codes (10 Standard, 15 PO Box, 1 Unique) [See All] |
| Area Codes: | 435 / 928 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:11:26 PM |
| Population: | 12,847 [See All] |
| FIPS: | 49037 |
| CBSA: | Flagstaff, AZ |
| Land Area: | 17,644 sq mi |
| Water Area: | 158 sq mi |
| Coordinates: | 37.5354, -109.6314 |
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140,934 residents live across 26 ZIPs covering 17,644 sq mi, served by 21 distinct USPS-recognized cities.
Population moved from 132,978 to 122,973 from 2014 to 2024 — a -7.5% change. 10 ZIPs gained residents, 13 lost.
The county's wealthiest ZIP 86015 (Bellemont, $119,722 median) and poorest ZIP 86044 (Tonalea, $33,167) are 105.2 miles apart — a 3.6× income gap across local geography.
Median home values vary 12.2× across this county — from $51,500 in 86020 (Cameron) to $628,400 in 86018 (Parks).
Density varies 83800× across the county — from 1 people/sq mi in 86024 (Happy Jack) to 88,136 in 86011 (Flagstaff).
Educational attainment ranges from 5.2% bachelor's+ in 86022 (Fredonia) to 58.5% in 86005 (Flagstaff) — the breadth of educational profiles across the area.
Within Arizona, this is the #18 most populous of 29 counties and ranks #27 for median household income .
Hosts 1 single-entity Unique ZIP: 86011Flagstaff .
Weighted by population, the typical household earns about $72,549 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.4% of adults age 25+ hold a bachelor's degree or higher (34,314 of 85,025 reporting). The most-educated ZIPs cluster around Flagstaff.
10 Standard delivery, 15 PO Box only, 1 single-entity Unique ZIPs serve this county.
Median household income spans 3.6× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Coconino County lost 8.9% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 86001 | Flagstaff | Standard | 37,312 | $64,626 | 480.4 | -12.0% |
| 86004 | Flagstaff | Standard | 36,394 | $81,172 | 1,313.8 | -1.1% |
| 86005 | Flagstaff | Standard | 17,961 | $87,942 | 329.6 | — |
| 86040 | Page | PO Box | 10,595 | $83,299 | 681.6 | 2.8% |
| 86045 | Tuba City | PO Box | 10,319 | $50,844 | 1,336.3 | -17.5% |
| 86046 | Williams | Standard | 6,574 | $79,095 | 2,247.0 | 5.6% |
| 86011 | Flagstaff | Unique | 4,019 | — | 0.0 | -42.2% |
| 86044 | Tonalea | Standard | 2,921 | $33,167 | 1,430.7 | -25.7% |
| 86053 | Kaibeto | PO Box | 2,170 | $40,956 | 335.2 | -9.1% |
| 86023 | Grand Canyon | PO Box | 1,970 | $74,286 | 586.6 | 15.4% |
| 86020 | Cameron | PO Box | 1,890 | $35,909 | 632.0 | -16.5% |
| 86022 | Fredonia | Standard | 1,712 | $61,923 | 1,135.0 | -39.5% |
| 86015 | Bellemont | Standard | 1,701 | $119,722 | 57.0 | 467.0% |
| 86035 | Leuppx | PO Box | 1,612 | $45,750 | 607.7 | -8.3% |
| 86018 | Parks | PO Box | 1,181 | $77,279 | 154.9 | 76.3% |
| 86024 | Happy Jack | Standard | 1,015 | $73,421 | 965.1 | 94.4% |
| 86017 | Munds Park | PO Box | 608 | — | 105.9 | -17.1% |
| 86036 | Marble Canyon | Standard | 277 | $78,250 | 1,276.6 | -4.8% |
| 85931 | Forest Lakes | PO Box | 210 | $87,852 | 293.6 | 33.8% |
| 86038 | Mormon Lake | Standard | 184 | $43,942 | 196.0 | 2528.6% |
| 86052 | North Rim | PO Box | 161 | — | 1,076.4 | 906.3% |
| 86003 | Flagstaff | PO Box | 104 | — | 0.0 | — |
| 86016 | Gray Mountain | PO Box | 44 | $2,499 | 462.3 | -43.6% |
| 86435 | Supai | PO Box | 0 | — | 1,939.9 | -100.0% |
| 86002 | Flagstaff | PO Box | — | — | 0.0 | — |
| 86339 | Sedona | PO Box | — | — | 0.0 | — |