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 Low-density area
- $70,150
- Median income Near-median income area
- $160,300
- Median home value Below-median home value
- 14.8%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 52301 (Marengo, IA) rose +1.6% from 2023 to 2024. The all-transactions index moved from 230.2 in 2023 to 233.9 in 2024 (2000 = 100).
ZIP code 52301 covers 314.9 square miles in Marengo, Iowa County, Iowa (a standard USPS delivery area), with a modest 3,873 residents on file, a density of 12 people per square mile, in the Chicago time zone.
ZIP 52301 lands in the middle-income range, with a median household income of $70,150 (8% below the average Iowa ZIP), while per-capita income is $33,446. The poverty rate is 9.4%, with unemployment at 2.6%; those measures add context to the income figure. Median home value is $160,300 (9% below the average Iowa ZIP) and median rent is $730; 77.1% of occupied homes are owner-occupied.
Formal educational attainment runs low here: just 14.8% of adults hold a bachelor's degree or higher, the median age is 42.7, and the average commute is 22 minutes. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Iowa County, so 52301 can be compared with both its immediate and county-level context.
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 52301
Top 5 sectors by establishment count in Marengo, IA
Which industries have the most business establishments in ZIP 52301.
- Construction
Construction
15 establishments
- Other services (except public administration)
Other services (except public administration)
14 establishments
- Retail trade
Retail trade
13 establishments
- Health care and social assistance
Health care and social assistance
9 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
7 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Who lives in ZIP 52301?
42.7
Median Age
50.1%
Male
49.9%
Female
0.8%
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?
$70,150
Median Household Income
-8% vs state ZIP avg
$33,446
Per Capita Income
9.4%
Poverty Rate
2.6%
Unemployment Rate
22.0 min
Mean Commute Time
How ZIP 52301 ranks among Iowa ZIPs
Marengo, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$70,150 40th percentile higher than 40% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa 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?
Housing stock: occupied vs vacant
1,840housing units
1,840
Total Housing Units
1,681
Occupied Units
159
Vacant Units
2.35
Avg Household Size
Occupancy Type
$160,300
Median Home Value
-9% vs state ZIP avg
$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.
- 52361
Williamsburg (52361)
4,527 residents
- 52301
Marengo (52301)
3,873 residents
- 52209 1,074
Blairstown (52209)
1,074 residents
- 52251 590
Ladora (52251)
590 residents
- 52354 379
Watkins (52354)
379 residents
- 52334 311
South Amana (52334)
311 residents
- 52220 237
Conroy (52220)
237 residents
- 52257 210
Luzerne (52257)
210 residents
What this shows Among its immediate neighbors, ZIP 52301 ranks #2 by population - useful context the national average alone can't give.
ZIP 52301 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 52354
Watkins (52354)
$112,969 median income
- 52257
Luzerne (52257)
$94,464 median income
- 52251
Ladora (52251)
$87,708 median income
- 52209
Blairstown (52209)
$86,094 median income
- 52301
Marengo (52301)
$70,150 median income
- 52361
Williamsburg (52361)
$60,992 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 52301, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,873 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Iowa County
Related Areas
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.
Related
Take this with you
What to do with ZIP 52301's numbers, next.
- See how ZIP 52301 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Marengo, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.