US ZIP Code
57755

Ludlow, SD

Harding County  ·  South Dakota

● Active
👥 127 Population ↑ 34% since 2019
💰 $66,000 Median HH Income
▼ 14% below avg ↑ 17% since 2019
🎂 31.9 Median Age ↑ 12% since 2019
🏠 $155,900 Median Home Value
▼ 44% below avg ↑ 178% since 2019
🎓 32.6% College Grads
▼ 16% below avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57755
CityLudlow
StateSouth Dakota (SD)
CountyHarding County
Area Code605
Elevation3,073 ft
Latitude45.868326
Longitude-103.347178
TimezoneChicago (DST)
FIPS46063
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 40.2% (51) Female 59.8% (76) ♀

Race & Ethnicity

White: 78.7%Other: 21.3%Race
White78.7%
Other21.3%

Age Breakdown

Under 5
17%
5–17
6%
25–44
40%
45–64
28%
65+
5%

Key Indicators

Median Age31.9 yrs ↑ 12% since 2019
Avg Household Size2.35
Below Poverty0.0% ▼ 100% below avg
College Grads32.6% ▼ 16% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate19 (20%)
Some College5 (5.3%)
Associates40 (42.1%)
Bachelors3 (3.2%)
Graduate Degree28 (29.5%)

Education

HS Grad: 20%Some College: 5.3%Associates: 42.1%Bachelors: 3.2%Graduate: 29.5%Edu
HS Grad20.0%
Some College5.3%
Associates42.1%
Bachelors3.2%
Graduate29.5%
Housing & Income

Housing Tenure

Owner: 90.7%Renter: 9.3%Tenure
Owner90.7%
Renter9.3%

Home Value Distribution

Under $50k
22%
$50k–100k
18%
$150k–200k
39%
$200k–300k
10%
$300k–500k
10%

Financials

Median HH Income$66,000 ▼ 14% below avg ↑ 17% since 2019
Median Home Value$155,900 ▼ 44% below avg ↑ 178% since 2019
Home/Income Ratio2.4x (nat avg ~3.5x)
Total Units69
Vacant Units15
Avg HH Size2.35

Income Distribution

$25k–50k
11%
$50k–75k
44%
$75k–100k
6%
$100k–150k
19%
$150k–200k
15%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
72%
Work From Home
28%

Commute Time

Under 15 min
32%
15–30 min
17%
30–45 min
42%
Over 45 min
8%
Housing Stock

Year Built

1940s–1950s
3%
1960s–1970s
14%
1980s–1990s
17%
2000+
66%

Summary

Total Units69
Vacant15
Owner Occupied90.7%
Renter Occupied9.3%
Avg HH Size2.35
Frequently Asked Questions
ZIP code 57755 is in Ludlow, SD, in Harding County.
ZIP code 57755 is located in South Dakota (SD).
ZIP code 57755 is in Harding County, SD.
ZIP 57755 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57755 is 127 people (ACS 2023).
The median household income in ZIP code 57755 is $66,000 (ACS 2023).
The median home value in ZIP 57755 is $155,900 (ACS 2023).
About ZIP Code 57755

ZIP code 57755 is located in Ludlow, South Dakota, within Harding County. With a population of 127, this is a sparsely populated ZIP code with a relatively young community — the median age is 31.9 years. Economically, 57755 is a solidly middle-class ZIP code: the median household income of $66,000 is near the national average.

Real estate in ZIP code 57755 represents an affordable housing market. The median home value of $155,900 is below the national average. Homeownership is strong here — 90.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 178% since 2019.

The population of 57755 is primarily White (78.74%). Residents are moderately educated — 32.6% hold a bachelor's degree or higher, which is below the national average. Household income has grown by 17% since 2019.

A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 57755 in Ludlow, SD is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 127 residents, a median household income of $66,000, and a median home value of $155,900, it offers a clear picture of life in this part of South Dakota.