ZIP code 52166
Where is ZIP code 52166?
Saint Lucas, Iowa
Fayette County · PO Box only ZIP code
ZIP code 52166 belongs to Saint Lucas, Iowa in Fayette County. 52166 is a PO Box only ZIP code: it is used for post office boxes at the Saint Lucas post office, not for street addresses. It is in the Central Time zone and uses area code 563. About 137 people live in the 52166 area, where the median household income is $110,938. The closest ZIP codes are 52144 (Fort Atkinson, 4.8 mi north), 52171 (Waucoma, 5.1 mi west) and 52147 (Hawkeye, 8.2 mi south).
| ZIP code | 52166 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Saint Lucas |
| State | Iowa (IA) |
| County | Fayette County |
| Time zone | Central Time · now |
| Area code | 563 |
| Coordinates | 43.0664, -91.9335 map |
| 3-digit prefix | 521 |
Population and income in 52166
| Population | 137 · lower than 92% of Iowa ZIP codes |
|---|---|
| People per square mile | 531 · higher than 91% of Iowa ZIP codes |
| Median age | 39.7 years · lower than 68% of Iowa ZIP codes |
| Men / women | 54% / 46% |
| Median household income | $110,938 · higher than 94% of Iowa ZIP codes |
| Income per person | $37,026 |
| Below the poverty line | 6.6% |
| Bachelor’s degree or higher | 14% of adults 25+ |
| Median home value | $146,900 · lower than 60% of Iowa ZIP codes |
| Housing units | 66 |
| Households | 49 (2.8 people on average) |
| Owners / renters | 96% / 4.1% |
| Land area | 0.26 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 52166. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 52166
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 52144 | Fort Atkinson, IA | 4.8 mi N | Standard |
| 52171 | Waucoma, IA | 5.1 mi W | Standard |
| 52147 | Hawkeye, IA | 8.2 mi S | Standard |
| 52132 | Calmar, IA | 9.1 mi N | Standard |
| 52168 | Spillville, IA | 9.5 mi N | PO Box only |
| 52161 | Ossian, IA | 9.5 mi NE | Standard |
| 52175 | West Union, IA | 9.9 mi SE | Standard |
| 52154 | Lawler, IA | 10.8 mi W | Standard |
| 52163 | Protivin, IA | 13.1 mi NW | PO Box only |
| 52164 | Randalia, IA | 14.3 mi S | Standard |
| 52133 | Castalia, IA | 14.4 mi E | Standard |
| 52135 | Clermont, IA | 14.5 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 52166 or measure the distance to another ZIP code.
How to address mail to 52166
PO BOX 123
SAINT LUCAS IA 52166
Put the city, the two-letter state code and the ZIP code on the last line. Avoid St Lucas: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (52166-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 52166?
- 52166 is a Saint Lucas, Iowa ZIP code.
- What county is 52166 in?
- ZIP code 52166 is in Fayette County, Iowa.
- What time zone is ZIP code 52166 in?
- 52166 is in the Central Time zone (America/Chicago).
- What area code is 52166?
- Phone numbers in ZIP code 52166 use area code 563.
- What is the population of ZIP code 52166?
- About 137 people live in ZIP code 52166, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 52166?
- The median household income in 52166 is $110,938 a year, higher than 94% of Iowa ZIP codes.
- Can I use 52166 for a street address?
- No. 52166 is only for PO Boxes. Street addresses in Saint Lucas use another ZIP code.
- What ZIP codes are near 52166?
- The nearest ZIP codes to 52166 are 52144 (Fort Atkinson, 4.8 miles), 52171 (Waucoma, 5.1 miles), 52147 (Hawkeye, 8.2 miles) and 52132 (Calmar, 9.1 miles).