PlainZIP

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
$90,385
Median income
$294,600
Median home value
32.9%
Bachelor's or higher

The verdict

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.

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 Georgia average), while per-capita income is $39,827. Poverty here runs at 11.3%, with unemployment measured at 7.5%. On housing, the median home value is $294,600 (22% above the state average) with median rent at $984 per month, and 86.8% of occupied units are owner-occupied.

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. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Harris County, so you can benchmark 31811 against its immediate geography rather than a national average alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 31811?

43.6

Median Age

53.4%

Male

46.6%

Female

0.9%

Foreign-Born

White 78.6%
African American 14.5%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.0%
Hispanic or Latino 3.6%

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

$39,827

Per Capita Income

11.3%

Poverty Rate

7.5%

Unemployment Rate

27.1 min

Mean Commute Time

How ZIP 31811 ranks nationally

Hamilton, GA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$90,385 Top 27% higher than 73% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 55.9%
Bachelor's Degree or Higher 32.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,465

Total Housing Units

2,238

Occupied Units

227

Vacant Units

2.55

Avg Household Size

Occupancy Type

Owner 86.8%
Renter 13.2%

$294,600

Median Home Value

+22% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 31811 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 31811 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
31804 Cataula, GA 5,934 6.3 mi
31822 Pine Mountain, GA 5,429 8.6 mi
31823 Pine Mountain Valley, GA 754 7.7 mi
31808 Fortson, GA 6,679 8.8 mi
31807 Ellerslie, GA 2,483 10.6 mi

More ZIP Codes in Harris County

31808 standard
Fortson, GA
Pop: 6,679
31804 standard
Cataula, GA
Pop: 5,934
31822 standard
Pine Mountain, GA
Pop: 5,429
31831 standard
Waverly Hall, GA
Pop: 3,095
31807 standard
Ellerslie, GA
Pop: 2,483
31826 standard
Shiloh, GA
Pop: 2,350

Related Areas

Harris County Hamilton, GA Georgia

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.

Read our methodology to see how this data is sourced, computed, and verified.