PlainZIP

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 a mid-sized community (a standard USPS delivery area) in Grinnell, Poweshiek County, Iowa, home to 11,536 residents across 474.7 square miles, a density of 24 people per square mile, in the Chicago time zone.

ZIP 50112 reports a modest median household income of $67,078 (12% below the Iowa average), while per-capita income is $37,893. Poverty here runs at 9.1%, with unemployment measured 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 solid share of residents have a four-year degree: 35.0% of adults hold a bachelor's degree or higher, the median age is 38.5, and the average commute is 16 minutes. Iowa and national benchmarks, shown above, are the best way to contextualize 50112, not the raw numbers 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 50112

Top 5 sectors by establishment count in Grinnell, IA

Which industries have the most business establishments in ZIP 50112.

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 50112, Grinnell, 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

11,536

Population

474.7

Area (sq mi)

24

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 50112?

38.5

Median Age

47.6%

Male

52.4%

Female

4.8%

Foreign-Born

White 88.6%
African American 1.9%
Asian 3.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.6%
Hispanic or Latino 2.8%

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

Grinnell, IA 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

$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 70.5%
Bachelor's Degree or Higher 35.0%

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

Owner 68.7%
Renter 31.3%

$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.

More ZIP Codes in Poweshiek County

50171 standard
Montezuma, IA
Pop: 2,923
52211 standard
Brooklyn, IA
Pop: 2,624
50157 standard
Malcom, IA
Pop: 762
52222 standard
Deep River, IA
Pop: 709
50242 standard
Searsboro, IA
Pop: 439
52221 standard
Guernsey, IA
Pop: 221

Related Areas

Poweshiek County Grinnell, IA Iowa

Frequently Asked Questions

What county is ZIP code 50112 in? ▼
ZIP code 50112 (Grinnell) is located in Poweshiek County, Iowa. Poweshiek County contains multiple ZIP codes, see the full list at /counties/poweshiek-ia.
What is the population of ZIP code 50112? ▼
ZIP code 50112 in Grinnell, IA has a population of 11,536 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 50112? ▼
The median household income in ZIP 50112 is $67,078, which is 12% below the national average of $76,288.
What is the average home value in ZIP 50112? ▼
The median home value in ZIP 50112 is $214,900, which is 23% below the national average of $278,155.
What is the demographic makeup of ZIP 50112? ▼
The largest racial group in ZIP 50112 is White at 88.6%. Hispanic or Latino residents make up 2.8% of the population.
How many businesses are in ZIP code 50112? ▼
ZIP code 50112 has 338 business establishments employing approximately 7,582 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 50112? ▼
The top industries by establishment count in ZIP 50112 are: Health care and social assistance (57), Retail trade (44), Professional, scientific, and technical services (36). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 50112? ▼
According to the FHFA House Price Index, home values in ZIP 50112 increased by 0.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 93%. 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 50112? ▼
In ZIP code 50112, 70.5% of residents aged 25+ have a high school diploma or higher, and 35.0% 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 50112? ▼
The mean commute time for workers in ZIP code 50112 is 15.6 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 50112? ▼
In ZIP code 50112, approximately 68.7% of occupied housing units are owner-occupied and 31.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 50112? ▼
The poverty rate in ZIP code 50112 is 9.1% 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.