PlainZIP

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 a sparsely populated ZIP (a standard USPS delivery area) in Delmar, Clinton County, Iowa, home to just 1,223 residents across 177.2 square miles, a density of 7 people per square mile, in the Chicago time zone.

ZIP 52037 lands in the middle-income range, with a median household income of $90,813 (19% above the Iowa average), while per-capita income is $36,206. Poverty here runs at 4.1%, with unemployment measured at 3.0%. Median home value sits at $198,400 (13% above the state average), median rent at $941 a month, and owner-occupancy at 89.4%.

Educational attainment sits below the national norm: 23.0% of adults hold a bachelor's degree or higher, the median age is 42.1, and the average commute is 26 minutes. A geography-based comparison follows: 5 ZIP codes within about 10 miles of 52037, plus 6 more within Clinton County, give a clearer read than the 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 →

Top industries in ZIP 52037

Top 5 sectors by establishment count in Delmar, IA

Which industries have the most business establishments in ZIP 52037.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 52037, Delmar, 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

1,223

Population

177.2

Area (sq mi)

7

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 52037?

42.1

Median Age

50.0%

Male

50.0%

Female

0.0%

Foreign-Born

White 96.2%
African American 1.8%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.0%
Hispanic or Latino 1.5%

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

Delmar, IA 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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 64.8%
Bachelor's Degree or Higher 23.0%

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

Owner 89.4%
Renter 10.6%

$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.

residents

What this shows Among its immediate neighbors, ZIP 52037 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 52037 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
52774 Welton, IA 136 4.5 mi
52731 Charlotte, IA 894 7.3 mi
52751 Grand Mound, IA 1,054 8.5 mi
52060 Maquoketa, IA 8,658 9.8 mi
52742 De Witt, IA 7,618 10.9 mi

More ZIP Codes in Clinton County

52732 standard
Clinton, IA
Pop: 28,293
52742 standard
De Witt, IA
Pop: 7,618
52730 standard
Camanche, IA
Pop: 4,950
52777 standard
Wheatland, IA
Pop: 1,357
52751 standard
Grand Mound, IA
Pop: 1,054
52254 standard
Lost Nation, IA
Pop: 895

Related Areas

Clinton County Delmar, IA Iowa

Frequently Asked Questions

What county is ZIP code 52037 in? ▼
ZIP code 52037 (Delmar) is located in Clinton County, Iowa. Clinton County contains multiple ZIP codes, see the full list at /counties/clinton-ia.
What is the population of ZIP code 52037? ▼
ZIP code 52037 in Delmar, IA has a population of 1,223 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 52037? ▼
The median household income in ZIP 52037 is $90,813, which is 19% above the national average of $76,288.
What is the average home value in ZIP 52037? ▼
The median home value in ZIP 52037 is $198,400, which is 29% below the national average of $278,155.
What is the demographic makeup of ZIP 52037? ▼
The largest racial group in ZIP 52037 is White at 96.2%. Hispanic or Latino residents make up 1.5% of the population.
How many businesses are in ZIP code 52037? ▼
ZIP code 52037 has 20 business establishments employing approximately 53 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 52037? ▼
The top industries by establishment count in ZIP 52037 are: Construction (4), Finance and insurance (3), Administrative and support and waste management and remediation services (3). There are 3 industry sectors represented in total.
What is the education level in ZIP code 52037? ▼
In ZIP code 52037, 64.8% of residents aged 25+ have a high school diploma or higher, and 23.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 52037? ▼
The mean commute time for workers in ZIP code 52037 is 26.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 52037? ▼
In ZIP code 52037, approximately 89.4% of occupied housing units are owner-occupied and 10.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 52037? ▼
The poverty rate in ZIP code 52037 is 4.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.