ZIP code 61770
Where is ZIP code 61770?
Saybrook, Illinois
McLean County · Standard ZIP code
ZIP code 61770 belongs to Saybrook, Illinois in McLean County. 61770 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 217, 309 and 447. About 1,067 people live in the 61770 area, where the median household income is $60,750. The closest ZIP codes are 61722 (Arrowsmith, 5.7 mi west), 61724 (Bellflower, 6.4 mi south) and 61845 (Foosland, 7.6 mi southeast).
| ZIP code | 61770 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saybrook |
| State | Illinois (IL) |
| County | McLean County |
| Time zone | Central Time · now |
| Area codes | 217, 309, 447 |
| Coordinates | 40.432, -88.5247 map |
| 3-digit prefix | 617 |
Population and income in 61770
| Population | 1,067 · lower than 64% of Illinois ZIP codes |
|---|---|
| People per square mile | 18 · lower than 80% of Illinois ZIP codes |
| Median age | 37.7 years · lower than 77% of Illinois ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $60,750 · lower than 77% of Illinois ZIP codes |
| Income per person | $29,402 |
| Below the poverty line | 17% |
| Bachelor’s degree or higher | 16% of adults 25+ |
| Median home value | $110,900 · lower than 74% of Illinois ZIP codes |
| Median rent | $973 a month |
| Housing units | 435 |
| Households | 387 (2.76 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 60.46 sq mi (plus 0.05 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61770. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61770
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61722 | Arrowsmith, IL | 5.7 mi W | Standard |
| 61724 | Bellflower, IL | 6.4 mi S | Standard |
| 61845 | Foosland, IL | 7.6 mi SE | Standard |
| 61720 | Anchor, IL | 7.7 mi N | Standard |
| 60936 | Gibson City, IL | 8.9 mi E | Standard |
| 61728 | Colfax, IL | 10.8 mi NW | Standard |
| 61737 | Ellsworth, IL | 11.2 mi W | Standard |
| 61731 | Cropsey, IL | 11.9 mi N | Standard |
| 61843 | Fisher, IL | 12.8 mi SE | Standard |
| 61773 | Sibley, IL | 12.8 mi NE | Standard |
| 61730 | Cooksville, IL | 13.2 mi NW | Standard |
| 60933 | Elliott, IL | 13.5 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61770 or measure the distance to another ZIP code.
How to address mail to 61770
123 MAIN ST
SAYBROOK IL 61770
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (61770-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 61770?
- 61770 is a Saybrook, Illinois ZIP code.
- What county is 61770 in?
- ZIP code 61770 is in McLean County, Illinois.
- What time zone is ZIP code 61770 in?
- 61770 is in the Central Time zone (America/Chicago).
- What area code is 61770?
- Phone numbers in ZIP code 61770 use area codes 217, 309 and 447.
- What is the population of ZIP code 61770?
- About 1,067 people live in ZIP code 61770, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61770?
- The median household income in 61770 is $60,750 a year, lower than 77% of Illinois ZIP codes.
- What ZIP codes are near 61770?
- The nearest ZIP codes to 61770 are 61722 (Arrowsmith, 5.7 miles), 61724 (Bellflower, 6.4 miles), 61845 (Foosland, 7.6 miles) and 61720 (Anchor, 7.7 miles).