Plains, GA · standard
ZIP Code 31780
Sumter County, Georgia — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,285
- 9/sq mi
- $39,290
- Median income
- $158,600
- Median home value
- 11.7%
- Bachelor's or higher
The verdict
Plains pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 5th pct
- household income, US ZIPs
- 29th pct
- home value, US ZIPs
- 9
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31780 against every reporting US ZIP.
ZIP code 31780 is classified by USPS as a standard delivery area and covers roughly 259.7 square miles in Plains, Sumter County, Georgia. The area is home to 2,285 residents, producing a population density of 9 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 31780 against Georgia and the nation.
On the economic side, the median household income for ZIP 31780 sits at $39,290 (44% below the Georgia average), while per-capita income is $25,488. The poverty rate stands at 16.7% and the unemployment rate at 4.6%. On housing, the median home value is $158,600 (34% below the state average) with median rent at $750 per month, and 84.5% of occupied units are owner-occupied, a direct signal of whether 31780 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 11.7% of adults hold a bachelor's degree or higher, the median age is 43.4, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sumter County, so you can benchmark 31780 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 31780
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 31780.
- Retail trade
Retail trade
7 establishments
- Health care and social assistance
Health care and social assistance
6 establishments
- Construction
Construction
4 establishments
- Agriculture, forestry, fishing and hunting
Agriculture, forestry, fishing and hunting
3 establishments
- Transportation and warehousing
Transportation and warehousing
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 31780, Plains, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
2,285
Population
259.7
Area (sq mi)
9
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 31780?
43.4
Median Age
41.0%
Male
59.0%
Female
0.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$39,290
Median Household Income
-44% vs state
$25,488
Per Capita Income
16.7%
Poverty Rate
4.6%
Unemployment Rate
How ZIP 31780 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$39,290 5th percentile higher than 5% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
993
Total Housing Units
695
Occupied Units
298
Vacant Units
2.42
Avg Household Size
Occupancy Type
$158,600
Median Home Value
-34% vs state
$750
Median Rent
1970
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 30 business establishments in ZIP 31780, employing approximately 263 people with a combined annual payroll of $9,985,000.
30
Businesses
263
Employees
$10.0M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 7 | 23.3% |
| Health care and social assistance | 6 | 20.0% |
| Construction | 4 | 13.3% |
| Agriculture, forestry, fishing and hunting | 3 | 10.0% |
| Transportation and warehousing | 3 | 10.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 31780 vs 31719 →
ZIP 31780 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31719
Americus (31719)
10,977 residents
- 31780 2,285
Plains (31780)
2,285 residents
- 31824 1,838
Preston (31824)
1,838 residents
- 31787 1,488
Smithville (31787)
1,488 residents
- 39877 500
Parrott (39877)
500 residents
What this shows Among its immediate neighbors, ZIP 31780 ranks #2 by population — useful context the national average alone can't give.
ZIP 31780 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31787
Smithville (31787)
$92,554 median income
- 39877
Parrott (39877)
$51,250 median income
- 31719
Americus (31719)
$42,905 median income
- 31780
Plains (31780)
$39,290 median income
- 31824 $31,742
Preston (31824)
$31,742 median income
What this shows By household income, ZIP 31780 ranks #4 of 5 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Sumter County
Related Areas
Frequently Asked Questions
What county is ZIP code 31780 in? ▼
What is the population of ZIP code 31780? ▼
What is the median household income in ZIP 31780? ▼
What is the average home value in ZIP 31780? ▼
What is the demographic makeup of ZIP 31780? ▼
How many businesses are in ZIP code 31780? ▼
What are the main industries in ZIP code 31780? ▼
What is the education level in ZIP code 31780? ▼
What percentage of residents own vs. rent in ZIP 31780? ▼
What is the poverty rate in ZIP code 31780? ▼
ZIP Code Research Guides
Official Data Resources for Plains, GA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.