Grinnell, IA · standard
ZIP Code 50112
Poweshiek County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 11,536
- 24/sq mi
- $67,078
- Median income
- $214,900
- Median home value
- 35.0%
- Bachelor's or higher
The verdict
Grinnell pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 42th pct
- household income, US ZIPs
- 48th pct
- home value, US ZIPs
- 24
- people per sq mi
- 69%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50112 against every reporting US ZIP.
ZIP code 50112 is classified by USPS as a standard delivery area and covers roughly 474.7 square miles in Grinnell, Poweshiek County, Iowa. The area is home to 11,536 residents, producing a population density of 24 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 50112 against Iowa and the nation.
On the economic side, the median household income for ZIP 50112 sits at $67,078 (12% below the Iowa average), while per-capita income is $37,893. The poverty rate stands at 9.1% and the unemployment rate at 4.0%. On housing, the median home value is $214,900 (22% above the state average) with median rent at $894 per month, and 68.7% of occupied units are owner-occupied, a direct signal of whether 50112 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 38.5, and the average commute is 16 minutes. Use the benchmarks above to see where 50112 sits relative to Iowa and the national baseline rather than viewing the numbers in isolation. 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 50112
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 50112.
- Health care and social assistance
Health care and social assistance
57 establishments
- Retail trade
Retail trade
44 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
36 establishments
- Accommodation and food services
Accommodation and food services
32 establishments
- Other services (except public administration)
Other services (except public administration)
28 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 50112, Grinnell, 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
11,536
Population
474.7
Area (sq mi)
24
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 50112?
38.5
Median Age
47.6%
Male
52.4%
Female
4.8%
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?
$67,078
Median Household Income
-12% vs state
$37,893
Per Capita Income
9.1%
Poverty Rate
4.0%
Unemployment Rate
15.6 min
Mean Commute Time
How ZIP 50112 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$67,078 42nd percentile higher than 42% 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?
5,025
Total Housing Units
4,671
Occupied Units
354
Vacant Units
2.21
Avg Household Size
Occupancy Type
$214,900
Median Home Value
+22% vs state
$894
Median Rent
1970
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
+0.5%
YoY Change (2024)
193
HPI Index (2000 = 100)
+93%
Total Change Since 2000
Home values in ZIP 50112 have increased 0.5% over the past year (2024). Since 2000, this ZIP has seen +93% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.4% | 150 |
| 2021 | +8.2% | 163 |
| 2022 | +12.1% | 182 |
| 2023 | +5.3% | 192 |
| 2024 | +0.5% | 193 |
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 338 business establishments in ZIP 50112, employing approximately 7,582 people with a combined annual payroll of $357,217,000.
338
Businesses
7,582
Employees
$357.2M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 57 | 16.9% |
| Retail trade | 44 | 13.0% |
| Professional, scientific, and technical services | 36 | 10.7% |
| Accommodation and food services | 32 | 9.5% |
| Other services (except public administration) | 28 | 8.3% |
| Finance and insurance | 27 | 8.0% |
| Construction | 24 | 7.1% |
| Manufacturing | 18 | 5.3% |
| Administrative and support and waste management and remediation services | 15 | 4.4% |
| Information | 13 | 3.9% |
| Wholesale trade | 12 | 3.5% |
| Transportation and warehousing | 10 | 3.0% |
| Arts, entertainment, and recreation | 7 | 2.1% |
| Real estate and rental and leasing | 6 | 1.8% |
| Educational services | 5 | 1.5% |
| Agriculture, forestry, fishing and hunting | 3 | 0.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Grinnell, 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.