Hamilton, GA · standard
ZIP Code 31811
Harris County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,103
- 15/sq mi Moderate-density area
- $90,385
- Median income Above-median income area
- $294,600
- Median home value Near-median home value
- 32.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Hamilton pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 27%
- household income, US ZIPs
- Top 34%
- home value, US ZIPs
- 15
- people per sq mi
- 87%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31811 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 31811 (Hamilton, GA) rose +3.2% from 2023 to 2024. The all-transactions index moved from 200.0 in 2023 to 206.4 in 2024 (2000 = 100).
ZIP code 31811 is a mid-sized community (a standard USPS delivery area) in Hamilton, Harris County, Georgia, home to 5,103 residents across 337.9 square miles, a density of 15 people per square mile, in the New York time zone.
ZIP 31811 lands in the middle-income range, with a median household income of $90,385 (28% above the average Georgia ZIP), while per-capita income is $39,827. The poverty rate is 11.3%, with unemployment at 7.5%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $294,600 (22% above the average Georgia ZIP), while 86.8% of occupied homes are owner-occupied and median rent is $984.
A solid share of residents have a four-year degree: 32.9% of adults hold a bachelor's degree or higher, the median age is 43.6, and the average commute is 27 minutes. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Harris County, so 31811 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 31811
Top 5 sectors by establishment count in Hamilton, GA
Which industries have the most business establishments in ZIP 31811.
- Other services (except public administration)
Other services (except public administration)
14 establishments
- Construction
Construction
12 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
10 establishments
- Retail trade
Retail trade
9 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
8 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 31811, Hamilton, 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
5,103
Population
337.9
Area (sq mi)
15
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 31811?
43.6
Median Age
53.4%
Male
46.6%
Female
0.9%
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?
$90,385
Median Household Income
+28% vs state ZIP avg
$39,827
Per Capita Income
11.3%
Poverty Rate
7.5%
Unemployment Rate
27.1 min
Mean Commute Time
How ZIP 31811 ranks among Georgia ZIPs
Hamilton, 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)
$90,385 Top 18% higher than 82% 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
2,465housing units
2,465
Total Housing Units
2,238
Occupied Units
227
Vacant Units
2.55
Avg Household Size
Occupancy Type
$294,600
Median Home Value
+22% vs state ZIP avg
$984
Median Rent
1998
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+3.2%
YoY Change (2024)
206
HPI Index (2000 = 100)
+106%
Total Change Since 2000
Home values in ZIP 31811 have increased 3.2% over the past year (2024). Since 2000, this ZIP has seen +106% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +7.9% | 150 |
| 2021 | +7.8% | 162 |
| 2022 | +13.3% | 183 |
| 2023 | +9.1% | 200 |
| 2024 | +3.2% | 206 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 94 business establishments in ZIP 31811, employing approximately 574 people with a combined annual payroll of $20,784,000.
94
Businesses
574
Employees
$20.8M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 14 | 14.9% |
| Construction | 12 | 12.8% |
| Real estate and rental and leasing | 10 | 10.6% |
| Retail trade | 9 | 9.6% |
| Professional, scientific, and technical services | 8 | 8.5% |
| Administrative and support and waste management and remediation services | 7 | 7.5% |
| Finance and insurance | 6 | 6.4% |
| Health care and social assistance | 6 | 6.4% |
| Accommodation and food services | 6 | 6.4% |
| Manufacturing | 4 | 4.3% |
| Agriculture, forestry, fishing and hunting | 3 | 3.2% |
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 31811 vs 31804 →
ZIP 31811 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31808
Fortson (31808)
6,679 residents
- 31804
Cataula (31804)
5,934 residents
- 31822
Pine Mountain (31822)
5,429 residents
- 31811
Hamilton (31811)
5,103 residents
- 31807 2,483
Ellerslie (31807)
2,483 residents
- 31823 754
Pine Mountain Valley (31823)
754 residents
What this shows Among its immediate neighbors, ZIP 31811 ranks #4 by population - useful context the national average alone can't give.
ZIP 31811 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31807
Ellerslie (31807)
$109,345 median income
- 31808
Fortson (31808)
$109,294 median income
- 31804
Cataula (31804)
$103,095 median income
- 31811
Hamilton (31811)
$90,385 median income
- 31823
Pine Mountain Valley (31823)
$71,420 median income
- 31822
Pine Mountain (31822)
$66,302 median income
What this shows By household income, ZIP 31811 ranks #4 of 6 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 31811, 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 (5,103 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Harris County
Related Areas
Frequently Asked Questions
What county is ZIP code 31811 in?
ZIP code 31811 (Hamilton) is located in Harris County, Georgia. Harris County contains multiple ZIP codes, see the full list at /counties/harris-ga.
What is the population of ZIP code 31811?
ZIP code 31811 in Hamilton, GA has a population of 5,103 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31811?
The median household income in ZIP 31811 is $90,385, which is 18% above the national average of $76,288.
What is the average home value in ZIP 31811?
The median home value in ZIP 31811 is $294,600, which is 6% above the national average of $278,155.
What is the demographic makeup of ZIP 31811?
The largest racial group in ZIP 31811 is White at 78.6%. Hispanic or Latino residents make up 3.6% of the population.
How many businesses are in ZIP code 31811?
ZIP code 31811 has 94 business establishments employing approximately 574 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31811?
The top industries by establishment count in ZIP 31811 are: Other services (except public administration) (14), Construction (12), Real estate and rental and leasing (10). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 31811?
According to the FHFA House Price Index, home values in ZIP 31811 increased by 3.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 106%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 31811?
In ZIP code 31811, 55.9% of residents aged 25+ have a high school diploma or higher, and 32.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 31811?
The mean commute time for workers in ZIP code 31811 is 27.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 31811?
In ZIP code 31811, approximately 86.8% of occupied housing units are owner-occupied and 13.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31811?
The poverty rate in ZIP code 31811 is 11.3% 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 31811's numbers, next.
- See how ZIP 31811 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Hamilton, 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.