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US ZIP Code Profile

ZIP Code 57701
Rapid City, South Dakota

ZIP code 57701 is in Rapid City, located in Pennington County, South Dakota, within the Rapid City metro area. Its 2020 Census population was 46,258. The estimated median adjusted gross income per tax return is $41,407, and about 3% of filers report $200,000 or more.

2020 Population
46,258
Census ZCTA
County
Pennington
FIPS 46103
Median income (est.)
$41,407
IRS SOI 2022
Land Area
70.824 mi²
+ 0.104 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityRapid City, SD
CountyPennington County (FIPS 46103)
StateSouth Dakota (FIPS 46)
Metro Area (MSA)Rapid City, SD Metro Area (39660)
Census Region / DivisionMidwest Region · West North Central Division
Coordinates44.146057, -103.20672
Land / Water Area70.824 mi² land · 0.104 mi² water

02Income & Economics

Distribution of the 21,030 individual tax returns filed in 57701 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.4%
$25K–$50K
29.8%
$50K–$75K
16.1%
$75K–$100K
8.6%
$100K–$200K
11.6%
$200K+
3.4%
The $200,000+ bracket accounts for 24% of 57701's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($41,407) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 57701's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,407
▲ 5.9%
Filers earning $200K+
3.4%
▼ 0.1 pt
Total filers
21,030
▼ 0.1%
GET /zipc/v2/zipcodes/57701/soi?year=… $36K 2020 $39K 2021 $41K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 57701 ZCTA.

2000
39,772
 
2010
43,462
▲ +9.3%
2020
46,258
▲ +6.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number467146
City AliasesJolly Acres, Old Town, Rapid City, Rockerville

06Frequently Asked Questions

What county is ZIP code 57701 in?

ZIP code 57701 is in Pennington County, South Dakota (county FIPS code 46103).

What city is ZIP code 57701?

The primary USPS city for 57701 is Rapid City, SD.

What metro area (MSA) is 57701 in?

57701 is part of the Rapid City, SD Metro Area (MSA code 39660).

What is the population of ZIP code 57701?

The 2020 Census population of 57701 was 46,258 residents.

What is the median income in ZIP code 57701?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 57701 is about $41,407, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.