| ZIP Codes: | 17 ZIP Codes (9 Standard, 8 PO Box, 0 Unique) [See All] |
| Area Codes: | 442 / 760 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:28 PM |
| Population: | 174,015 [See All] |
| FIPS: | 06025 |
| CBSA: | El Centro, CA |
| Land Area: | 3,990 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 32.9291, -115.4536 |
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174,015 residents live across 17 ZIPs covering 3,990 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 172,547 to 174,015 from 2014 to 2024 — a +0.9% change. 7 ZIPs gained residents, 7 lost (and 1 held flat).
The county's wealthiest ZIP 92251 (Imperial, $90,709 median) and poorest ZIP 92257 (Niland, $22,611) are 47.2 miles apart — a 4.0× income gap across local geography.
Median home values vary 3.9× across this county — from $94,200 in 92283 (Winterhaven) to $368,700 in 92251 (Imperial).
Density varies 4138× across the county — from 2 people/sq mi in 92283 (Winterhaven) to 9,111 in 92275 (Salton City).
Educational attainment ranges from 5.0% bachelor's+ in 92233 (Calipatria) to 24.1% in 92249 (Heber) — the breadth of educational profiles across the area.
Within California, this is the #31 most populous of 58 counties and ranks #57 for median household income .
Weighted by population, the typical household earns about $60,883 across the county — reflecting what a typical resident sees, not a simple ZIP average.
16.5% of adults age 25+ hold a bachelor's degree or higher (17,672 of 107,350 reporting).
9 Standard delivery, 8 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 4.0× 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 92243 | El Centro | Standard | 49,069 | $55,057 | 205.8 | 0.9% |
| 92231 | Calexico | Standard | 38,621 | $49,742 | 91.0 | -2.7% |
| 92227 | Brawley | Standard | 28,315 | $59,362 | 567.3 | 5.6% |
| 92251 | Imperial | Standard | 27,454 | $90,709 | 388.4 | 22.8% |
| 92250 | Holtville | Standard | 7,830 | $72,143 | 437.8 | -7.5% |
| 92249 | Heber | Standard | 7,312 | $72,028 | 17.1 | 2.3% |
| 92233 | Calipatria | Standard | 6,836 | $53,778 | 240.7 | -34.6% |
| 92257 | Niland | Standard | 2,158 | $22,611 | 862.0 | 22.8% |
| 92281 | Westmorland | PO Box | 2,082 | $29,375 | 4.7 | 6.2% |
| 92283 | Winterhaven | Standard | 1,732 | $43,393 | 786.7 | -25.8% |
| 92275 | Salton City | PO Box | 1,219 | — | 0.1 | -13.7% |
| 92273 | Seeley | PO Box | 1,090 | $62,051 | 0.3 | -11.2% |
| 92259 | Ocotillo | PO Box | 198 | $43,500 | 69.3 | -26.4% |
| 92266 | Palo Verde | PO Box | 99 | — | 318.7 | 59.7% |
| 92222 | Bard | PO Box | 0 | — | 0.0 | — |
| 92244 | El Centro | PO Box | — | — | 0.0 | — |
| 92232 | Calexico | PO Box | — | — | 0.0 | — |