US ZIP Code
50666

Plainfield, IA

Bremer County  ·  Iowa

● Active
👥 768 Population ↓ 19% since 2019
💰 $76,380 Median HH Income
≈ Avg
🎂 51.8 Median Age ↑ 37% since 2019
🏠 $168,200 Median Home Value
▼ 40% below avg ↑ 38% since 2019
🎓 17.7% College Grads
▼ 54% below avg
📊 5.6% Unemployment
▲ 14% above avg ↑ 205% since 2019
ZIP Code Details
ZIP Code50666
CityPlainfield
StateIowa (IA)
CountyBremer County
Area Code319
Elevation946 ft
Latitude42.85442
Longitude-92.503231
TimezoneChicago (DST)
FIPS19017
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.8% (367) Female 52.2% (401) ♀

Race & Ethnicity

White: 95.3%Hispanic: 2.1%Asian: 0.1%Other: 2%Race
White95.3%
Hispanic2.1%
Asian0.1%
Other2.0%

Age Breakdown

Under 5
4%
5–17
14%
18–24
4%
25–44
23%
45–64
18%
65+
26%

Key Indicators

Median Age51.8 yrs ↑ 37% since 2019
Avg Household Size2.35
Below Poverty3.7% ▼ 64% below avg
College Grads17.7% ▼ 54% below avg
Unemployment5.6% ▲ 14% above avg
HS Graduate273 (47.8%)
Some College111 (19.4%)
Associates86 (15.1%)
Bachelors47 (8.2%)
Graduate Degree54 (9.5%)

Education

HS Grad: 47.8%Some College: 19.4%Associates: 15.1%Bachelors: 8.2%Graduate: 9.5%Edu
HS Grad47.8%
Some College19.4%
Associates15.1%
Bachelors8.2%
Graduate9.5%
Housing & Income

Housing Tenure

Owner: 89.3%Renter: 10.7%Tenure
Owner89.3%
Renter10.7%

Home Value Distribution

Under $50k
1%
$50k–100k
18%
$100k–150k
20%
$150k–200k
20%
$200k–300k
36%
$300k–500k
5%

Financials

Median HH Income$76,380 ≈ Avg
Median Home Value$168,200 ▼ 40% below avg ↑ 38% since 2019
Home/Income Ratio2.2x (nat avg ~3.5x)
Median Rent$682/mo ↑ 6% since 2019
Total Units377
Vacant Units50
Avg HH Size2.35

Income Distribution

Under $25k
8%
$25k–50k
9%
$50k–75k
23%
$75k–100k
29%
$100k–150k
25%
$150k–200k
4%
Over $200k
1%
Employment & Commute

How People Get to Work

Drove Alone
94%
Public Transit
0%
Work From Home
6%

Commute Time

Under 15 min
11%
15–30 min
68%
30–45 min
18%
Over 45 min
3%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
11%
1960s–1970s
17%
1980s–1990s
7%
2000+
61%

Summary

Total Units377
Vacant50
Owner Occupied89.3%
Renter Occupied10.7%
Avg HH Size2.35
Frequently Asked Questions
ZIP code 50666 is in Plainfield, IA, in Bremer County.
ZIP code 50666 is located in Iowa (IA).
ZIP code 50666 is in Bremer County, IA.
ZIP 50666 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 50666 is 768 people (ACS 2023).
The median household income in ZIP code 50666 is $76,380 (ACS 2023).
The median home value in ZIP 50666 is $168,200 (ACS 2023).
About ZIP Code 50666

ZIP code 50666 is located in Plainfield, Iowa, within Bremer County. With a population of 768, this is a sparsely populated ZIP code with a mature community — the median age is 51.8 years. Economically, 50666 is a middle-income ZIP code: the median household income of $76,380 is near the national average.

Real estate in ZIP code 50666 represents an affordable housing market. The median home value of $168,200 is below the national average. Renters can expect to pay around $682 per month in median rent. Homeownership is strong here — 89.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 38% since 2019.

The population of 50666 is primarily White (95.31%). Residents are less-educated — 17.7% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a relatively small share of residents at 3.7%.

The unemployment rate in 50666 stands at 5.6%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 91%.

Overall, ZIP code 50666 in Plainfield, IA is characterized as middle-income, less-educated, a mature community, and predominantly owner-occupied. With 768 residents, a median household income of $76,380, and a median home value of $168,200, it offers a clear picture of life in this part of Iowa.