US ZIP Code
51246

Rock Rapids, IA

Lyon County  ·  Iowa

● Active
👥 4,075 Population ↑ 12% since 2019
💰 $69,320 Median HH Income
▼ 9% below avg ↑ 15% since 2019
🎂 38.5 Median Age
🏠 $232,900 Median Home Value
▼ 16% below avg ↑ 47% since 2019
🎓 35.5% College Grads
▼ 8% below avg
📊 2.4% Unemployment
▼ 51% below avg ↑ 54% since 2019
ZIP Code Details
ZIP Code51246
CityRock Rapids
StateIowa (IA)
CountyLyon County
Area Code712
Elevation1,332 ft
Latitude43.428834
Longitude-96.164704
TimezoneChicago (DST)
FIPS19119
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.0% (2,079) Female 49.0% (1,996) ♀

Race & Ethnicity

White: 94%Hispanic: 4.6%Black: 0.1%Asian: 0.2%Other: 1%Race
White94.0%
Hispanic4.6%
Black0.1%
Asian0.2%
Other1.0%

Age Breakdown

Under 5
5%
5–17
26%
18–24
7%
25–44
22%
45–64
23%
65+
6%

Key Indicators

Median Age38.5 yrs
Avg Household Size2.83
Below Poverty4.1% ▼ 59% below avg
College Grads35.5% ▼ 8% below avg
Unemployment2.4% ▼ 51% below avg
No HS Diploma10 (0.4%)
HS Graduate1,021 (42.1%)
Some College259 (10.7%)
Associates276 (11.4%)
Bachelors336 (13.8%)
Graduate Degree525 (21.6%)

Education

No HS: 0.4%HS Grad: 42.1%Some College: 10.7%Associates: 11.4%Bachelors: 13.8%Graduate: 21.6%Edu
No HS0.4%
HS Grad42.1%
Some College10.7%
Associates11.4%
Bachelors13.8%
Graduate21.6%
Housing & Income

Housing Tenure

Owner: 80.1%Renter: 19.9%Tenure
Owner80.1%
Renter19.9%

Home Value Distribution

Under $50k
3%
$50k–100k
12%
$100k–150k
9%
$150k–200k
10%
$200k–300k
36%
$300k–500k
21%
Over $500k
8%

Financials

Median HH Income$69,320 ▼ 9% below avg ↑ 15% since 2019
Median Home Value$232,900 ▼ 16% below avg ↑ 47% since 2019
Home/Income Ratio3.4x (nat avg ~3.5x)
Median Rent$773/mo ↑ 31% since 2019
Total Units1,616
Vacant Units211
Avg HH Size2.83

Income Distribution

Under $25k
12%
$25k–50k
16%
$50k–75k
26%
$75k–100k
15%
$100k–150k
19%
$150k–200k
5%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
85%
Walked
5%
Work From Home
10%

Commute Time

Under 15 min
74%
15–30 min
14%
30–45 min
7%
Over 45 min
6%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
19%
1960s–1970s
12%
1980s–1990s
9%
2000+
58%

Summary

Total Units1,616
Vacant211
Owner Occupied80.1%
Renter Occupied19.9%
Avg HH Size2.83
Frequently Asked Questions
ZIP code 51246 is in Rock Rapids, IA, in Lyon County.
ZIP code 51246 is located in Iowa (IA).
ZIP code 51246 is in Lyon County, IA.
ZIP 51246 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51246 is 4,075 people (ACS 2023).
The median household income in ZIP code 51246 is $69,320 (ACS 2023).
The median home value in ZIP 51246 is $232,900 (ACS 2023).
About ZIP Code 51246

ZIP code 51246 is located in Rock Rapids, Iowa, within Lyon County. With a population of 4,075, this is a lightly populated ZIP code with a middle-aged community — the median age is 38.5 years. Economically, 51246 is a solidly middle-class ZIP code: the median household income of $69,320 is near the national average.

Real estate in ZIP code 51246 represents an affordable housing market. The median home value of $232,900 is below the national average. Renters can expect to pay around $773 per month in median rent. Homeownership is strong here — 80.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 47% since 2019.

The population of 51246 is primarily White (94.01%). Residents are moderately educated — 35.5% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 4.1%. Household income has grown by 15% since 2019.

The unemployment rate in 51246 stands at 2.4%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 77%.

Overall, ZIP code 51246 in Rock Rapids, IA is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 4,075 residents, a median household income of $69,320, and a median home value of $232,900, it offers a clear picture of life in this part of Iowa.