US ZIP Code
52140

Dorchester, IA

Allamakee County  ·  Iowa

● Active
👥 469 Population ↓ 21% since 2019
💰 $89,722 Median HH Income
▲ 18% above avg ↑ 91% since 2019
🎂 39.6 Median Age ↓ 21% since 2019
🏠 $216,700 Median Home Value
▼ 22% below avg ↑ 73% since 2019
🎓 41.0% College Grads
≈ Avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code52140
CityDorchester
StateIowa (IA)
CountyAllamakee County
Area Code563
Elevation790 ft
Latitude43.445644
Longitude-91.534572
TimezoneChicago (DST)
FIPS19005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 59.5% (279) Female 40.5% (190) ♀

Race & Ethnicity

White: 97.9%Other: 2.1%Race
White97.9%
Other2.1%

Age Breakdown

Under 5
4%
5–17
19%
18–24
10%
25–44
24%
45–64
16%
65+
19%

Key Indicators

Median Age39.6 yrs ↓ 21% since 2019
Avg Household Size2.25
Below Poverty1.9% ▼ 81% below avg
College Grads41.0% ≈ Avg
Unemployment0.0% ▼ 100% below avg
HS Graduate137 (43.9%)
Some College17 (5.4%)
Associates30 (9.6%)
Bachelors36 (11.5%)
Graduate Degree92 (29.5%)

Education

HS Grad: 43.9%Some College: 5.4%Associates: 9.6%Bachelors: 11.5%Graduate: 29.5%Edu
HS Grad43.9%
Some College5.4%
Associates9.6%
Bachelors11.5%
Graduate29.5%
Housing & Income

Housing Tenure

Owner: 87.5%Renter: 12.5%Tenure
Owner87.5%
Renter12.5%

Home Value Distribution

Under $50k
4%
$50k–100k
28%
$150k–200k
14%
$200k–300k
17%
$300k–500k
17%
Over $500k
20%

Financials

Median HH Income$89,722 ▲ 18% above avg ↑ 91% since 2019
Median Home Value$216,700 ▼ 22% below avg ↑ 73% since 2019
Home/Income Ratio2.4x (nat avg ~3.5x)
Total Units247
Vacant Units39
Avg HH Size2.25

Income Distribution

Under $25k
7%
$25k–50k
23%
$50k–75k
13%
$75k–100k
21%
$100k–150k
13%
$150k–200k
6%
Over $200k
17%
Employment & Commute

How People Get to Work

Drove Alone
89%
Walked
3%
Work From Home
8%

Commute Time

Under 15 min
12%
15–30 min
33%
30–45 min
23%
Over 45 min
32%
Housing Stock

Year Built

1960s–1970s
12%
1980s–1990s
9%
2000+
79%

Summary

Total Units247
Vacant39
Owner Occupied87.5%
Renter Occupied12.5%
Avg HH Size2.25
Frequently Asked Questions
ZIP code 52140 is in Dorchester, IA, in Allamakee County.
ZIP code 52140 is located in Iowa (IA).
ZIP code 52140 is in Allamakee County, IA.
ZIP 52140 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 52140 is 469 people (ACS 2023).
The median household income in ZIP code 52140 is $89,722 (ACS 2023).
The median home value in ZIP 52140 is $216,700 (ACS 2023).
About ZIP Code 52140

ZIP code 52140 is located in Dorchester, Iowa, within Allamakee County. With a population of 469, this is a sparsely populated ZIP code with a middle-aged community — the median age is 39.6 years. Economically, 52140 is a middle-income ZIP code: the median household income of $89,722 is above the national average.

Real estate in ZIP code 52140 represents an affordable housing market. The median home value of $216,700 is below the national average. Homeownership is strong here — 87.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 73% since 2019.

The population of 52140 is primarily White (97.87%). Residents are well-educated — 41.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 1.9%. Household income has grown by 91% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 52140 in Dorchester, IA is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 469 residents, a median household income of $89,722, and a median home value of $216,700, it offers a clear picture of life in this part of Iowa.