97640
ZIP 97640 is Summer Lake, Oregon, in Lake County; Pacific time.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- Lake
- Metro area
- none
- Population
- 159
- Coordinates
- 42.9863, -120.5364
Weather right now
Asking the National Weather Service…
Where 97640 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 97640 into a pocket calculator and turn it upside down: OhgLG — not quite a word, sorry.
- ➕ As a number, 97,640 = 2 × 2 × 2 × 5 × 2441. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10111110101101000 - 🏠 Its numerical neighbours: 97639 (Sprague River, OR, 62 mi away) and 97641 (Christmas Valley, OR, 21 mi away).
- 🔄 Backwards, 97640 becomes 04679 — and that is a real ZIP code: Southwest Harbor, ME, 2,568 miles away.
- 👥 50 other ZIP codes are made of exactly the same digits (04679, 04769, 04967, 04976, 06479, 06749, …). The farthest-flung twin is 09746 in APO AE, a military post office, 7,614 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 94%.
- 🎯1,155 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 97640 and you would come out at 42.99°S, 59.46°E — 676 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
- 📏 At 364.9 square miles of land, 97640 is bigger than 96% of ZIP codes — room for about 277 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 159This ZIP159 |
|---|---|
| Households | 68This ZIP68 |
| Housing units | 129This ZIP129 |
| Median age | 56.1This ZIP56.1Oregon40.4US 38.9 |
| Median household income | $63,636This ZIP$63,636Oregon$83,011US $80,734 |
| Median home value | $338,000This ZIP$338,000Oregon$477,600US $332,700 |
| Bachelor's degree or higher | 11.5%This ZIP11.5% |
| Mean commute | 24.0 minThis ZIP24.0 min |
| Population density | 0.4 / sq miThis ZIP0.4 / sq mi |
Land area
| Land area | 364.86 sq miThis ZIP364.86 sq mi |
|---|---|
| Water area | 50.36 sq miThis ZIP50.36 sq mi |
ZIP codes near 97640
| ZIP | City | Distance |
|---|---|---|
97641 | Christmas Valley, OR | 20.9 mi |
97636 | Paisley, OR | 22.8 mi |
97638 | Silver Lake, OR | 26.9 mi |
97735 | Fort Rock, OR | 36.1 mi |
97637 | Plush, OR | 46.0 mi |
97622 | Bly, OR | 47.6 mi |
97630 | Lakeview, OR | 47.6 mi |
97758 | Riley, OR | 50.2 mi |
97621 | Beatty, OR | 50.4 mi |
97712 | Brothers, OR | 55.1 mi |
Find every ZIP code within 10 miles of 97640 →
Questions about this ZIP code
Where is ZIP code 97640?
97640 is in Summer Lake, Oregon, in Lake County. Its published point location is 42.9863, -120.5364.
What county is 97640 in?
97640 lies in Lake County.
What time zone is 97640 in?
97640 uses America/Los_Angeles.
How many people live in 97640?
About 159 people live in ZIP code 97640, in 68 households, at 0.4 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 97640?
$63,636 a year, against $83,011 across Oregon.
What ZIP codes are near 97640?
The closest are 97641 (20.9 mi), 97636 (22.8 mi), 97638 (26.9 mi), 97735 (36.1 mi) and 97637 (46 mi).
Is 97640 a PO Box ZIP code?
97640 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “97640 ZIP Code — Summer Lake, Oregon (Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/97640
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/97640.json Underlying data is public domain or openly licensed — sources, vintages and licences.