Delmar, IA · standard
ZIP Code 52037
Clinton County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,223
- 7/sq mi
- $90,813
- Median income
- $198,400
- Median home value
- 23.0%
- Bachelor's or higher
The verdict
Delmar pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 26%
- household income, US ZIPs
- 43th pct
- home value, US ZIPs
- 7
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 52037 against every reporting US ZIP.
ZIP code 52037 is classified by USPS as a standard delivery area and covers roughly 177.2 square miles in Delmar, Clinton County, Iowa. The area is home to 1,223 residents, producing a population density of 7 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 52037 against Iowa and the nation.
On the economic side, the median household income for ZIP 52037 sits at $90,813 (19% above the Iowa average), while per-capita income is $36,206. The poverty rate stands at 4.1% and the unemployment rate at 3.0%. On housing, the median home value is $198,400 (13% above the state average) with median rent at $941 per month, and 89.4% of occupied units are owner-occupied, a direct signal of whether 52037 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 23.0% of adults hold a bachelor's degree or higher, the median age is 42.1, and the average commute is 26 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Clinton County, so you can benchmark 52037 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 52037
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 52037.
- Construction
Construction
4 establishments
- Finance and insurance
Finance and insurance
3 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 52037, Delmar, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,223
Population
177.2
Area (sq mi)
7
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 52037?
42.1
Median Age
50.0%
Male
50.0%
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?
$90,813
Median Household Income
+19% vs state
$36,206
Per Capita Income
4.1%
Poverty Rate
3.0%
Unemployment Rate
26.1 min
Mean Commute Time
How ZIP 52037 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$90,813 Top 26% higher than 74% 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?
479
Total Housing Units
435
Occupied Units
44
Vacant Units
2.69
Avg Household Size
Occupancy Type
$198,400
Median Home Value
+13% vs state
$941
Median Rent
1949
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 20 business establishments in ZIP 52037, employing approximately 53 people with a combined annual payroll of $1,557,000.
20
Businesses
53
Employees
$1.6M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 4 | 20.0% |
| Finance and insurance | 3 | 15.0% |
| Administrative and support and waste management and remediation services | 3 | 15.0% |
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 52037 vs 52774 →
ZIP 52037 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52060
Maquoketa (52060)
8,658 residents
- 52742
De Witt (52742)
7,618 residents
- 52037 1,223
Delmar (52037)
1,223 residents
- 52751 1,054
Grand Mound (52751)
1,054 residents
- 52731 894
Charlotte (52731)
894 residents
- 52774 136
Welton (52774)
136 residents
What this shows Among its immediate neighbors, ZIP 52037 ranks #3 by population — useful context the national average alone can't give.
ZIP 52037 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52742
De Witt (52742)
$97,946 median income
- 52037
Delmar (52037)
$90,813 median income
- 52731
Charlotte (52731)
$87,727 median income
- 52751
Grand Mound (52751)
$82,143 median income
- 52774
Welton (52774)
$71,250 median income
- 52060
Maquoketa (52060)
$68,143 median income
What this shows By household income, ZIP 52037 ranks #2 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Clinton County
Related Areas
Frequently Asked Questions
What county is ZIP code 52037 in? ▼
What is the population of ZIP code 52037? ▼
What is the median household income in ZIP 52037? ▼
What is the average home value in ZIP 52037? ▼
What is the demographic makeup of ZIP 52037? ▼
How many businesses are in ZIP code 52037? ▼
What are the main industries in ZIP code 52037? ▼
What is the education level in ZIP code 52037? ▼
What is the average commute time in ZIP 52037? ▼
What percentage of residents own vs. rent in ZIP 52037? ▼
What is the poverty rate in ZIP code 52037? ▼
ZIP Code Research Guides
Official Data Resources for Delmar, IA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.