ZIP Codes of Miner County, SD

Population & People
Population & People
Total Population
2,159
Household Income
Household Income
Median Income
$73,688
Housing
Housing
Total Housing Units
1,148
Business & Economy
Business & Economy
Total Businesses
75
Employment
Employment
Employment Rate
60.85%
Education
Education
Bachelor's Degree+
17.44%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:605
Timezone:Central (GMT -06:00)
Local Time:2:13:43 PM
Population:2,159 [See All]
FIPS:46097
Land Area:543 sq mi
Water Area:1 sq mi
Coordinates:44.0174, -97.6682
Quick Link:
https://www.zip-codes.com/county/sd-miner.asp
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South Dakota's #54 most populous county
2,159 residents across 4 ZIPs — #54 of 82 South Dakota counties.

Standout ZIPs in this County


Most Populous
Howard · 1,513 people
70.1% of county total
Highest Income
Canova · $93,125 median
1.3× county average
Largest Land Area
Howard · 221.5 sq mi
Spans the most ground
Fastest Growth
Howard · -3.0% (10-yr)
1,559 → 1,513 residents
Most Educated
Howard · 13.7% bachelor's+
147 of 1,071 adults 25+

Things worth knowing about Miner County


2,159 residents live across 4 ZIPs covering 543 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 2,293 to 2,159 from 2014 to 2024 — a -5.8% change. 1 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 57321 (Canova, $93,125 median) and poorest ZIP 57323 (Carthage, $51,250) are 21.8 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.2× across this county — from $70,000 in 57323 (Carthage) to $153,000 in 57349 (Howard).

Density varies across the county — from 1 people/sq mi in 57323 (Carthage) to 7 in 57349 (Howard).

Educational attainment ranges from 10.2% bachelor's+ in 57337 (Fedora) to 34.2% in 57323 (Carthage) — the breadth of educational profiles across the area.

Within South Dakota, this is the #54 most populous of 82 counties and ranks #45 for median household income .

Weighted by population, the typical household earns about $77,025 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.4% of adults age 25+ hold a bachelor's degree or higher (271 of 1,554 reporting).

4 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Miner County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
543
square miles
Avg density
4.0
people per sq mi
Population
2,159
across 4 ZIPs
Howard
221.5 sq mi
1,513 residents
Carthage
119.4 sq mi
126 residents
Canova
109.3 sq mi
390 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Howard

Population decline

Miner County lost 5.8% of residents between 2014 and 2024.

All ZIP Codes in Miner County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
57349HowardStandard1,513$75,179221.5-3.0%
57321CanovaStandard390$93,125109.38.6%
57337FedoraStandard130$75,19793.0-3.7%
57323CarthageStandard126$51,250119.4-47.5%

Adjacent & Nearby Counties