Saint Lucas, IA · standard
ZIP Code 52166
Fayette County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 104
- 211/sq mi
- $110,938
- Median income
- $146,900
- Median home value
- 13.6%
- Bachelor's or higher
The verdict
Saint Lucas pairs an upper-quartile household income with among the most affordable home values nationally, in a low-density, homeowner-dominated area.
- Top 13%
- household income, US ZIPs
- 24th pct
- home value, US ZIPs
- 211
- people per sq mi
- 96%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 52166 against every reporting US ZIP.
ZIP code 52166 is a sparsely populated ZIP (a standard USPS delivery area) in Saint Lucas, Fayette County, Iowa, home to just 104 residents across 0.5 square miles, a density of 211 people per square mile, in the Chicago time zone.
ZIP 52166 skews affluent, with a median household income of $110,938 (45% above the Iowa average), while per-capita income is $37,026. Local economic indicators show a 6.6% poverty rate alongside 0.0% unemployment. On housing, the median home value is $146,900 (16% below the state average) with median rent at - per month, and 95.9% of occupied units are owner-occupied.
Formal educational attainment runs low here: just 13.6% of adults hold a bachelor's degree or higher, the median age is 39.7, and the average commute is -. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Fayette County, so you can benchmark 52166 against its immediate geography rather than a national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 52166, Saint Lucas, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
104
Population
0.5
Area (sq mi)
211
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 52166?
39.7
Median Age
54.0%
Male
46.0%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$110,938
Median Household Income
+45% vs state
$37,026
Per Capita Income
6.6%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 52166 ranks nationally
Saint Lucas, IA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$110,938 Top 13% higher than 87% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
66
Total Housing Units
49
Occupied Units
17
Vacant Units
2.80
Avg Household Size
Occupancy Type
$146,900
Median Home Value
-16% vs state
1959
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 8 business establishments in ZIP 52166, employing approximately 61 people with a combined annual payroll of $1,878,000.
8
Businesses
61
Employees
$1.9M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 3 | 37.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 52166 vs 52144 →
ZIP 52166 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52175
West Union (52175)
3,492 residents
- 52132
Calmar (52132)
1,938 residents
- 52144 1,261
Fort Atkinson (52144)
1,261 residents
- 52147 1,050
Hawkeye (52147)
1,050 residents
- 52171 1,048
Waucoma (52171)
1,048 residents
- 52168 188
Spillville (52168)
188 residents
- 52166 104
Saint Lucas (52166)
104 residents
What this shows Among its immediate neighbors, ZIP 52166 ranks #7 by population - useful context the national average alone can't give.
ZIP 52166 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52166
Saint Lucas (52166)
$110,938 median income
- 52132
Calmar (52132)
$100,559 median income
- 52171
Waucoma (52171)
$94,904 median income
- 52144
Fort Atkinson (52144)
$84,609 median income
- 52147
Hawkeye (52147)
$77,083 median income
- 52175
West Union (52175)
$59,800 median income
- 52168
Spillville (52168)
$54,375 median income
What this shows By household income, ZIP 52166 ranks the highest of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
More ZIP Codes in Fayette County
Related Areas
Frequently Asked Questions
What county is ZIP code 52166 in? ▼
What is the population of ZIP code 52166? ▼
What is the median household income in ZIP 52166? ▼
What is the average home value in ZIP 52166? ▼
What is the demographic makeup of ZIP 52166? ▼
How many businesses are in ZIP code 52166? ▼
What is the education level in ZIP code 52166? ▼
What percentage of residents own vs. rent in ZIP 52166? ▼
What is the poverty rate in ZIP code 52166? ▼
Read our methodology to see how this data is sourced, computed, and verified.