US ZIP Code
50112

Grinnell, IA

Poweshiek County  ·  Iowa

● Active
👥 11,776 Population ↑ 3% since 2019
💰 $64,707 Median HH Income
▼ 15% below avg ↑ 23% since 2019
🎂 39.5 Median Age ↑ 2% since 2019
🏠 $198,100 Median Home Value
▼ 29% below avg ↑ 32% since 2019
🎓 44.4% College Grads
▲ 14% above avg
📊 4.4% Unemployment
▼ 10% below avg ↑ 13% since 2019
ZIP Code Details
ZIP Code50112
CityGrinnell
StateIowa (IA)
CountyPoweshiek County
Area Code641
Elevation1,008 ft
Latitude41.7334
Longitude-92.712678
TimezoneChicago (DST)
FIPS19157
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.1% (5,551) Female 52.9% (6,225) ♀

Race & Ethnicity

White: 88.7%Hispanic: 3.3%Black: 1.7%Asian: 3.2%Other: 3.2%Race
White88.7%
Hispanic3.3%
Black1.7%
Asian3.2%
Other3.2%

Age Breakdown

Under 5
4%
5–17
15%
18–24
19%
25–44
19%
45–64
22%
65+
9%

Key Indicators

Median Age39.5 yrs ↑ 2% since 2019
Avg Household Size2.16
Below Poverty8.3% ▼ 17% below avg
College Grads44.4% ▲ 14% above avg
Unemployment4.4% ▼ 10% below avg
No HS Diploma55 (0.8%)
HS Graduate2,246 (32.9%)
Some College505 (7.4%)
Associates987 (14.5%)
Bachelors623 (9.1%)
Graduate Degree2,401 (35.2%)

Education

No HS: 0.8%HS Grad: 32.9%Some College: 7.4%Associates: 14.5%Bachelors: 9.1%Graduate: 35.2%Edu
No HS0.8%
HS Grad32.9%
Some College7.4%
Associates14.5%
Bachelors9.1%
Graduate35.2%
Housing & Income

Housing Tenure

Owner: 68.8%Renter: 31.2%Tenure
Owner68.8%
Renter31.2%

Home Value Distribution

Under $50k
7%
$50k–100k
7%
$100k–150k
18%
$150k–200k
18%
$200k–300k
30%
$300k–500k
17%
Over $500k
3%

Financials

Median HH Income$64,707 ▼ 15% below avg ↑ 23% since 2019
Median Home Value$198,100 ▼ 29% below avg ↑ 32% since 2019
Home/Income Ratio3.1x (nat avg ~3.5x)
Median Rent$863/mo ↑ 18% since 2019
Total Units5,018
Vacant Units266
Avg HH Size2.16

Income Distribution

Under $25k
21%
$25k–50k
14%
$50k–75k
19%
$75k–100k
12%
$100k–150k
17%
$150k–200k
7%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
70%
Walked
17%
Work From Home
13%

Commute Time

Under 15 min
67%
15–30 min
17%
30–45 min
8%
Over 45 min
7%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
11%
1960s–1970s
15%
1980s–1990s
11%
2000+
60%

Summary

Total Units5,018
Vacant266
Owner Occupied68.8%
Renter Occupied31.2%
Avg HH Size2.16
Frequently Asked Questions
ZIP code 50112 is in Grinnell, IA, in Poweshiek County.
ZIP code 50112 is located in Iowa (IA).
ZIP code 50112 is in Poweshiek County, IA.
ZIP 50112 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 50112 is 11,776 people (ACS 2023).
The median household income in ZIP code 50112 is $64,707 (ACS 2023).
The median home value in ZIP 50112 is $198,100 (ACS 2023).
About ZIP Code 50112

ZIP code 50112 is located in Grinnell, Iowa, within Poweshiek County. With a population of 11,776, this is a lightly populated ZIP code with a middle-aged community — the median age is 39.5 years. Economically, 50112 is a solidly middle-class ZIP code: the median household income of $64,707 is below the national average.

Real estate in ZIP code 50112 represents an affordable housing market. The median home value of $198,100 is below the national average. Renters can expect to pay around $863 per month in median rent. Homeownership is strong here — 68.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 32% since 2019.

The population of 50112 is primarily White (88.67%). Residents are well-educated — 44.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.3%. Household income has grown by 23% since 2019.

The unemployment rate in 50112 stands at 4.4%, which is near the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 64%.

Overall, ZIP code 50112 in Grinnell, IA is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 11,776 residents, a median household income of $64,707, and a median home value of $198,100, it offers a clear picture of life in this part of Iowa.