PlainZIP

Marengo, IA · standard

ZIP Code 52301

Iowa County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

3,873
12/sq mi
$70,150
Median income
$160,300
Median home value
14.8%
Bachelor's or higher

The verdict

Marengo pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.

47th pct
household income, US ZIPs
30th pct
home value, US ZIPs
12
people per sq mi
77%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 52301 against every reporting US ZIP.

ZIP code 52301 is classified by USPS as a standard delivery area and covers roughly 314.9 square miles in Marengo, Iowa County, Iowa. The area is home to 3,873 residents, producing a population density of 12 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 52301 against Iowa and the nation.

On the economic side, the median household income for ZIP 52301 sits at $70,150 (8% below the Iowa average), while per-capita income is $33,446. The poverty rate stands at 9.4% and the unemployment rate at 2.6%. On housing, the median home value is $160,300 (9% below the state average) with median rent at $730 per month, and 77.1% of occupied units are owner-occupied, a direct signal of whether 52301 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 14.8% of adults hold a bachelor's degree or higher, the median age is 42.7, and the average commute is 22 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Iowa County, so you can benchmark 52301 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 52301

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 52301.

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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 52301, Marengo, 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

3,873

Population

314.9

Area (sq mi)

12

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 52301?

42.7

Median Age

50.1%

Male

49.9%

Female

0.8%

Foreign-Born

White 96.1%
African American 0.8%
Asian 0.0%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.6%
Hispanic or Latino 0.2%

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?

$70,150

Median Household Income

-8% vs state

$33,446

Per Capita Income

9.4%

Poverty Rate

2.6%

Unemployment Rate

22.0 min

Mean Commute Time

How ZIP 52301 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$70,150 47th percentile higher than 47% 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%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $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 57.2%
Bachelor's Degree or Higher 14.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,840

Total Housing Units

1,681

Occupied Units

159

Vacant Units

2.35

Avg Household Size

Occupancy Type

Owner 77.1%
Renter 22.9%

$160,300

Median Home Value

-9% vs state

$730

Median Rent

1961

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.6%

YoY Change (2024)

234

HPI Index (2000 = 100)

+134%

Total Change Since 2000

Home values in ZIP 52301 have increased 1.6% over the past year (2024). Since 2000, this ZIP has seen +134% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.5% 161
2021 +11.0% 178
2022 -7.8% 164
2023 +40.0% 230
2024 +1.6% 234

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 90 business establishments in ZIP 52301, employing approximately 656 people with a combined annual payroll of $30,577,000.

90

Businesses

656

Employees

$30.6M

Annual Payroll

11

Industry Sectors

Industry Establishments % of Total
Construction 15 16.7%
Other services (except public administration) 14 15.6%
Retail trade 13 14.4%
Health care and social assistance 9 10.0%
Professional, scientific, and technical services 7 7.8%
Administrative and support and waste management and remediation services 6 6.7%
Accommodation and food services 6 6.7%
Manufacturing 4 4.4%
Finance and insurance 4 4.4%
Wholesale trade 3 3.3%
Transportation and warehousing 3 3.3%

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 52301 vs 52209 →

ZIP 52301 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 52301 ranks #2 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 52301 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 52301 ranks #5 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
52209 Blairstown, IA 1,074 8.2 mi
52220 Conroy, IA 237 6.1 mi
52334 South Amana, IA 311 8.1 mi
52251 Ladora, IA 590 8.2 mi
52361 Williamsburg, IA 4,527 10.4 mi
52354 Watkins, IA 379 10.1 mi
52257 Luzerne, IA 210 10.4 mi

More ZIP Codes in Iowa County

52361 standard
Williamsburg, IA
Pop: 4,527
52203 standard
Amana, IA
Pop: 1,932
52316 standard
North English, IA
Pop: 1,659
52347 standard
Victor, IA
Pop: 1,410
52325 standard
Parnell, IA
Pop: 873
52236 standard
Homestead, IA
Pop: 592

Related Areas

Iowa County Marengo, IA Iowa

Frequently Asked Questions

What county is ZIP code 52301 in? ▼
ZIP code 52301 (Marengo) is located in Iowa County, Iowa. Iowa County contains multiple ZIP codes, see the full list at /counties/iowa-ia.
What is the population of ZIP code 52301? ▼
ZIP code 52301 in Marengo, IA has a population of 3,873 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 52301? ▼
The median household income in ZIP 52301 is $70,150, which is 8% below the national average of $76,288.
What is the average home value in ZIP 52301? ▼
The median home value in ZIP 52301 is $160,300, which is 42% below the national average of $278,155.
What is the demographic makeup of ZIP 52301? ▼
The largest racial group in ZIP 52301 is White at 96.1%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 52301? ▼
ZIP code 52301 has 90 business establishments employing approximately 656 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 52301? ▼
The top industries by establishment count in ZIP 52301 are: Construction (15), Other services (except public administration) (14), Retail trade (13). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 52301? ▼
According to the FHFA House Price Index, home values in ZIP 52301 increased by 1.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 134%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 52301? ▼
In ZIP code 52301, 57.2% of residents aged 25+ have a high school diploma or higher, and 14.8% 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 52301? ▼
The mean commute time for workers in ZIP code 52301 is 22.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 52301? ▼
In ZIP code 52301, approximately 77.1% of occupied housing units are owner-occupied and 22.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 52301? ▼
The poverty rate in ZIP code 52301 is 9.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Marengo, IA

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

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