ZIP codes
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Fairfax, SD Demographics & ZIP Codes
Fairfax, South Dakota demographics and median household income by ZIP code (in Gregory County) — 1 ZIP codes — population 313 — median income $85,000 — avg. home value $121,300. Compare income, housing, and population across ZIP codes on US5.
Population
313
Median household income (avg.)
$85,000
113% of U.S. median
Average home value
$121,300
35% of U.S. median
Average rent
$290
25% of U.S. median
Median age (avg.)
43.5
Fairfax demographics
Fairfax, South Dakota covers 1 ZIP code primarily in Gregory County, with a combined ZIP-area population of about 313.
Across ZIP codes with age data, the average median age is about 43.5 years.
Median household income in Fairfax
The average median household income across ZIP codes in Fairfax, South Dakota is about $85,000 — about 17% above the SD ZIP average ($72,498), and about 13% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $85,000 in 57335.
Housing in Fairfax
For housing in Fairfax, South Dakota, the average median home value is about $121,300 and the average median rent is about $290.
The most populous ZIP in this set is 57335 (about 313 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Fairfax
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57335 | Fairfax | Gregory County | SD | 313 | $85,000 | $121,300 |
Frequently asked questions
What are the demographics of Fairfax?
Fairfax, South Dakota has a combined ZIP-area population of about 313 across 1 ZIP codes (primarily Gregory County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Fairfax?
The average median household income across ZIP codes in Fairfax, South Dakota is about $85,000, about 17% above the state ZIP average ($72,498), and about 13% above the U.S. median ($75,149). Average median home value is about $121,300.
How many ZIP codes are in Fairfax?
Fairfax, South Dakota includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Fairfax?
This page lists ZIP codes in Fairfax, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.