Bennett County, SD Demographics & ZIP Codes

Bennett County, South Dakota demographics and median household income by ZIP code — 3 ZIP codes — population 3,298 — avg. income $27,500 — avg. home value $174,000. Compare income, housing, and ZIP-level data on US5.

ZIP codes

Population

3,298

Median household income (avg.)

$27,500

37% of U.S. median

Average home value

$174,000

50% of U.S. median

Average rent

$340

29% of U.S. median

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Bennett County demographics

Bennett County, South Dakota covers 3 ZIP codes, with a combined ZIP-area population of about 3,298.

Median household income in Bennett County

The average median household income across ZIP codes in Bennett County, South Dakota is about $27,500 — about 62% below the SD ZIP average ($72,498), and about 63% below the U.S. median ($75,149).

Among ZIPs with income data, 57551 (Martin) is near the top at about $52,500, while 57574 is near the bottom at about $2,499.

Housing in Bennett County

For housing in Bennett County, South Dakota, the average median home value is about $174,000 and the average median rent is about $340.

The most populous ZIP is 57551 (Martin) with about 2,026 residents. Use the table below to compare ZIP codes across the county.

ZIP codes in Bennett County

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

ZIP	City	County	State	Population ↓	Income	Home value
57551	Martin	Bennett County	SD	2,026	$52,500	$138,300
57714	Allen	Bennett County	SD	1,166	—	$110,400
57574	—	Bennett County	SD	106	$2,499	$273,300

Frequently asked questions

What are the demographics of Bennett County?

Bennett County, South Dakota has a combined ZIP-area population of about 3,298 across 3 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Bennett County?

The average median household income across ZIP codes in Bennett County, South Dakota is about $27,500, about 62% below the state ZIP average ($72,498), and about 63% below the U.S. median ($75,149). Average median home value is about $174,000. Among ZIPs with data, 57551 (Martin) is near the top ($52,500) and 57574 is near the bottom ($2,499).

How many ZIP codes are in Bennett County?

Bennett County, South Dakota includes 3 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Bennett County?

This page lists ZIP codes in Bennett County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.