Dedham, IA · standard
ZIP Code 51440
Carroll County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 400
- 6/sq mi
- $87,750
- Median income
- $223,200
- Median home value
- 35.0%
- Bachelor's or higher
The verdict
Dedham pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 29%
- household income, US ZIPs
- Top 50%
- home value, US ZIPs
- 6
- people per sq mi
- 93%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51440 against every reporting US ZIP.
ZIP code 51440 is classified by USPS as a standard delivery area and covers roughly 65.6 square miles in Dedham, Carroll County, Iowa. The area is home to 400 residents, producing a population density of 6 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 51440 against Iowa and the nation.
On the economic side, the median household income for ZIP 51440 sits at $87,750 (15% above the Iowa average), while per-capita income is $33,292. The poverty rate stands at 12.9% and the unemployment rate at 1.2%. On housing, the median home value is $223,200 (27% above the state average) with median rent at — per month, and 93.0% of occupied units are owner-occupied, a direct signal of whether 51440 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 35.0% of adults hold a bachelor's degree or higher, the median age is 37.1, and the average commute is —. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Carroll County, so you can benchmark 51440 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 →
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 51440, Dedham, 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
400
Population
65.6
Area (sq mi)
6
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 51440?
37.1
Median Age
48.8%
Male
51.2%
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?
$87,750
Median Household Income
+15% vs state
$33,292
Per Capita Income
12.9%
Poverty Rate
1.2%
Unemployment Rate
How ZIP 51440 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$87,750 Top 29% higher than 71% 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?
115
Total Housing Units
115
Occupied Units
0
Vacant Units
2.90
Avg Household Size
Occupancy Type
$223,200
Median Home Value
+27% vs state
1969
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 13 business establishments in ZIP 51440, employing approximately 37 people with a combined annual payroll of $1,279,000.
13
Businesses
37
Employees
$1.3M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 5 | 38.5% |
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 51440 vs 51463 →
ZIP 51440 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 50058
Coon Rapids (50058)
1,927 residents
- 51463 552
Templeton (51463)
552 residents
- 51440 400
Dedham (51440)
400 residents
What this shows Among its immediate neighbors, ZIP 51440 ranks #3 by population — useful context the national average alone can't give.
ZIP 51440 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 51440
Dedham (51440)
$87,750 median income
- 50058
Coon Rapids (50058)
$80,119 median income
- 51463
Templeton (51463)
$78,571 median income
What this shows By household income, ZIP 51440 ranks the highest of 3 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Carroll County
Related Areas
Frequently Asked Questions
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How many businesses are in ZIP code 51440? ▼
What is the education level in ZIP code 51440? ▼
What percentage of residents own vs. rent in ZIP 51440? ▼
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ZIP Code Research Guides
Official Data Resources for Dedham, 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.