91709
ZIP 91709 is Chino Hills, California, mostly in San Bernardino County; Pacific time.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- San Bernardino +1 more
- Metro area
- Riverside-San Bernardino-Ontario, CA
- Population
- 78,006
- Coordinates
- 33.9430, -117.7256
Weather right now
Asking the National Weather Service…
Where 91709 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 91709 into a pocket calculator and turn it upside down: GOLIG — not quite a word, sorry.
- ➕ As a number, 91,709 = 293 × 313. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110011000111101 - 🏠 Its numerical neighbours: 91708 (Chino, CA, 5 mi away) and 91710 (Chino, CA, 5 mi away).
- 🔄 Backwards, 91709 becomes 90719, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (07199, 09719, 10979, 10997, 17099, 19079, …). The farthest-flung twin is 09719 in APO AE, a military post office, 6,101 miles away.
- 🧭 Farther south than 79% of all ZIP codes, and farther west than 91%.
- 🎯1,131 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 91709 and you would come out at 33.94°S, 62.27°E — 994 miles from Saint-Denis, Reunion, the nearest big city to that spot.
- ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 53m.
- 📏 At 44.8 square miles of land, 91709 is bigger than 56% of ZIP codes — room for about 34 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 78,006This ZIP78,006 |
|---|---|
| Households | 25,372This ZIP25,372 |
| Housing units | 25,917This ZIP25,917 |
| Median age | 40.6This ZIP40.6California37.9US 38.9 |
| Median household income | $126,350This ZIP$126,350California$99,122US $80,734 |
| Median home value | $875,600This ZIP$875,600California$734,700US $332,700 |
| Median gross rent | $2,894This ZIP$2,894California$2,036US $1,413 |
| Bachelor's degree or higher | 48.0%This ZIP48.0% |
| Mean commute | 36.1 minThis ZIP36.1 min |
| Population density | 1,740.7 / sq miThis ZIP1,740.7 / sq mi |
Business and tax activity
| Business establishments | 1,876This ZIP1,876 |
|---|---|
| Employees | 14,381This ZIP14,381 |
| Annual payroll | $636,859,000This ZIP$636,859,000 |
| Tax returns filed | 37,230This ZIP37,230 |
| Total adjusted gross income | $4,085,649,000This ZIP$4,085,649,000 |
Land area
| Land area | 44.81 sq miThis ZIP44.81 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Counties 91709 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| San Bernardino County | 99.7% |
| Los Angeles County | 0.4% |
Other place names in 91709
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 91709
| ZIP | City | Distance |
|---|---|---|
92887 | Yorba Linda, CA | 3.9 mi |
92823 | Brea, CA | 4.2 mi |
91710 | Chino, CA | 5.0 mi |
91708 | Chino, CA | 5.0 mi |
92886 | Yorba Linda, CA | 5.4 mi |
91765 | Diamond Bar, CA | 5.7 mi |
92808 | Anaheim, CA | 6.1 mi |
92885 | Yorba Linda, CA | 6.6 mi |
92880 | Corona, CA | 6.9 mi |
91766 | Pomona, CA | 7.1 mi |
Find every ZIP code within 10 miles of 91709 →
Questions about this ZIP code
Where is ZIP code 91709?
91709 is in Chino Hills, California, in San Bernardino County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 33.9430, -117.7256.
What county is 91709 in?
91709 spans 2 counties: San Bernardino County and Los Angeles County. Most of it falls in San Bernardino County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What time zone is 91709 in?
91709 uses America/Los_Angeles.
How many people live in 91709?
About 78,006 people live in ZIP code 91709, in 25,372 households, at 1,740.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 91709?
$126,350 a year, against $99,122 across California.
What ZIP codes are near 91709?
The closest are 92887 (3.9 mi), 92823 (4.2 mi), 91710 (5 mi), 91708 (5 mi) and 92886 (5.4 mi).
Is 91709 a PO Box ZIP code?
91709 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “91709 ZIP Code — Chino Hills, California (San Bernardino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91709
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/91709.json Underlying data is public domain or openly licensed — sources, vintages and licences.