ZIP code 61233
Where is ZIP code 61233?
Andover, Illinois
Henry County · PO Box only ZIP code
ZIP code 61233 belongs to Andover, Illinois in Henry County. 61233 is a PO Box only ZIP code: it is used for post office boxes at the Andover post office, not for street addresses. It is in the Central Time zone and uses area code 309. About 281 people live in the 61233 area, where the median household income is $71,667. The closest ZIP codes are 61262 (Lynn Center, 2.1 mi west), 61274 (Osco, 4.9 mi north) and 61238 (Cambridge, 5.8 mi east).
| ZIP code | 61233 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Andover |
| State | Illinois (IL) |
| County | Henry County |
| Time zone | Central Time · now |
| Area code | 309 |
| Coordinates | 41.2954, -90.2905 map |
| 3-digit prefix | 612 |
Population and income in 61233
| Population | 281 · lower than 88% of Illinois ZIP codes |
|---|---|
| People per square mile | 391 · higher than 69% of Illinois ZIP codes |
| Median age | 46.4 years · higher than 74% of Illinois ZIP codes |
| Men / women | 54% / 46% |
| Median household income | $71,667 · lower than 55% of Illinois ZIP codes |
| Income per person | $38,320 |
| Below the poverty line | 2.1% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $182,600 · higher than 64% of Illinois ZIP codes |
| Median rent | $750 a month |
| Housing units | 116 |
| Households | 116 (2.42 people on average) |
| Owners / renters | 78% / 22% |
| Land area | 0.72 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 61233. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 61233
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 61262 | Lynn Center, IL | 2.1 mi W | Standard |
| 61274 | Osco, IL | 4.9 mi N | Standard |
| 61238 | Cambridge, IL | 5.8 mi E | Standard |
| 61468 | Ophiem, IL | 5.8 mi SW | Standard |
| 61273 | Orion, IL | 6.8 mi NW | Standard |
| 61490 | Woodhull, IL | 7.6 mi S | Standard |
| 61413 | Alpha, IL | 8.5 mi SW | Standard |
| 61281 | Sherrard, IL | 10.6 mi W | Standard |
| 61465 | New Windsor, IL | 11 mi SW | Standard |
| 61419 | Bishop Hill, IL | 11.2 mi SE | PO Box only |
| 61240 | Coal Valley, IL | 13.2 mi NW | Standard |
| 61241 | Colona, IL | 13.4 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 61233 or measure the distance to another ZIP code.
How to address mail to 61233
PO BOX 123
ANDOVER IL 61233
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (61233-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 61233?
- 61233 is a Andover, Illinois ZIP code.
- What county is 61233 in?
- ZIP code 61233 is in Henry County, Illinois.
- What time zone is ZIP code 61233 in?
- 61233 is in the Central Time zone (America/Chicago).
- What area code is 61233?
- Phone numbers in ZIP code 61233 use area code 309.
- What is the population of ZIP code 61233?
- About 281 people live in ZIP code 61233, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 61233?
- The median household income in 61233 is $71,667 a year, lower than 55% of Illinois ZIP codes.
- Can I use 61233 for a street address?
- No. 61233 is only for PO Boxes. Street addresses in Andover use another ZIP code.
- What ZIP codes are near 61233?
- The nearest ZIP codes to 61233 are 61262 (Lynn Center, 2.1 miles), 61274 (Osco, 4.9 miles), 61238 (Cambridge, 5.8 miles) and 61468 (Ophiem, 5.8 miles).