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 Low-density area
- $39,290
- Median income Below-median income area
- $158,600
- Median home value Below-median home value
- 11.7%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 covers 259.7 square miles in Plains, Sumter County, Georgia (a standard USPS delivery area), with a modest 2,285 residents on file, a density of 9 people per square mile, in the New York time zone.
ZIP 31780 sits on the lower end of the income spectrum: median household income is $39,290 (44% below the average Georgia ZIP), while per-capita income is $25,488. The poverty rate is 16.7%, with unemployment at 4.6%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $158,600 (34% below the average Georgia ZIP), and median rent is $750; owner occupancy is 84.5%.
Formal educational attainment runs low here: just 11.7% of adults hold a bachelor's degree or higher, the median age is 43.4, and the average commute is -. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Sumter County, so 31780 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 31780
Top 5 sectors by establishment count in Plains, GA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$25,488
Per Capita Income
16.7%
Poverty Rate
4.6%
Unemployment Rate
How ZIP 31780 ranks among Georgia ZIPs
Plains, GA household income vs. every Georgia ZIP code
Median household income among 677 reporting Georgia ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$39,290 6th percentile higher than 6% of 677 Georgia ZIPs
Each bar is a $20K-wide band; taller bars hold more Georgia 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?
Housing stock: occupied vs vacant
993housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 31780, both outside GA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,285 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Sumter County
Related Areas
Frequently Asked Questions
What county is ZIP code 31780 in?
ZIP code 31780 (Plains) is located in Sumter County, Georgia. Sumter County contains multiple ZIP codes, see the full list at /counties/sumter-ga.
What is the population of ZIP code 31780?
ZIP code 31780 in Plains, GA has a population of 2,285 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31780?
The median household income in ZIP 31780 is $39,290, which is 48% below the national average of $76,288.
What is the average home value in ZIP 31780?
The median home value in ZIP 31780 is $158,600, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 31780?
The largest racial group in ZIP 31780 is White at 43.7%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 31780?
ZIP code 31780 has 30 business establishments employing approximately 263 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31780?
The top industries by establishment count in ZIP 31780 are: Retail trade (7), Health care and social assistance (6), Construction (4). There are 5 industry sectors represented in total.
What is the education level in ZIP code 31780?
In ZIP code 31780, 52.5% of residents aged 25+ have a high school diploma or higher, and 11.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 31780?
In ZIP code 31780, approximately 84.5% of occupied housing units are owner-occupied and 15.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31780?
The poverty rate in ZIP code 31780 is 16.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 31780's numbers, next.
- See how ZIP 31780 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Plains, GA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.