Blaine, TN · standard
ZIP Code 37709
Grainger County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,732
- 33/sq mi Moderate-density area
- $75,799
- Median income Near-median income area
- $274,500
- Median home value Near-median home value
- 18.1%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Blaine pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 44%
- household income, US ZIPs
- Top 38%
- home value, US ZIPs
- 33
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37709 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 37709 (Blaine, TN) rose +11.7% from 2023 to 2024.
ZIP code 37709 covers 113.4 square miles in Blaine, Grainger County, Tennessee (a standard USPS delivery area), with a modest 3,732 residents on file, a density of 33 people per square mile, in the New York time zone.
ZIP 37709 lands in the middle-income range, with a median household income of $75,799 (14% above the average Tennessee ZIP), while per-capita income is $33,898. The poverty rate is 11.4%, with unemployment at 3.4%; those measures add context to the income figure. Median home value is $274,500 (11% above the average Tennessee ZIP) and median rent is $967; 81.5% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 18.1% of adults hold a bachelor's degree or higher, the median age is 40.1, and the average commute is 31 minutes. The page also surfaces 8 ZIP codes within roughly 10 miles and 4 more in Grainger County, so 37709 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 37709
Top 5 sectors by establishment count in Blaine, TN
Which industries have the most business establishments in ZIP 37709.
- Other services (except public administration)
Other services (except public administration)
11 establishments
- Construction
Construction
9 establishments
- Retail trade
Retail trade
9 establishments
- Accommodation and food services
Accommodation and food services
6 establishments
- Transportation and warehousing 4
Transportation and warehousing
4 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 37709, Blaine, TN · 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
3,732
Population
113.4
Area (sq mi)
33
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 37709?
40.1
Median Age
51.7%
Male
48.3%
Female
1.7%
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?
$75,799
Median Household Income
+14% vs state ZIP avg
$33,898
Per Capita Income
11.4%
Poverty Rate
3.4%
Unemployment Rate
31.3 min
Mean Commute Time
How ZIP 37709 ranks among Tennessee ZIPs
Blaine, TN household income vs. every Tennessee ZIP code
Median household income among 593 reporting Tennessee ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$75,799 Top 27% higher than 73% of 593 Tennessee ZIPs
Each bar is a $20K-wide band; taller bars hold more Tennessee 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
1,658housing units
1,658
Total Housing Units
1,521
Occupied Units
137
Vacant Units
2.75
Avg Household Size
Occupancy Type
$274,500
Median Home Value
+11% vs state ZIP avg
$967
Median Rent
1994
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 51 business establishments in ZIP 37709, employing approximately 476 people with a combined annual payroll of $14,935,000.
51
Businesses
476
Employees
$14.9M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 11 | 21.6% |
| Construction | 9 | 17.6% |
| Retail trade | 9 | 17.6% |
| Accommodation and food services | 6 | 11.8% |
| Transportation and warehousing | 4 | 7.8% |
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 37709 vs 37848 →
ZIP 37709 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37721
Corryton (37721)
12,733 residents
- 37924
Knoxville (37924)
11,259 residents
- 37871
Strawberry Plains (37871)
9,134 residents
- 37820
New Market (37820)
7,495 residents
- 37779 3,978
Luttrell (37779)
3,978 residents
- 37709 3,732
Blaine (37709)
3,732 residents
- 37806 2,868
Mascot (37806)
2,868 residents
- 37888 2,741
Washburn (37888)
2,741 residents
- 37848 246
Powder Springs (37848)
246 residents
What this shows Among its immediate neighbors, ZIP 37709 ranks #6 by population - useful context the national average alone can't give.
ZIP 37709 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37924
Knoxville (37924)
$80,112 median income
- 37709
Blaine (37709)
$75,799 median income
- 37871
Strawberry Plains (37871)
$70,938 median income
- 37820
New Market (37820)
$66,616 median income
- 37721
Corryton (37721)
$64,892 median income
- 37806
Mascot (37806)
$59,605 median income
- 37779
Luttrell (37779)
$51,357 median income
- 37888
Washburn (37888)
$45,669 median income
What this shows By household income, ZIP 37709 ranks #2 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 37848 | Powder Springs, TN | 246 | 5.0 mi |
| 37871 | Strawberry Plains, TN | 9,134 | 8.0 mi |
| 37779 | Luttrell, TN | 3,978 | 6.2 mi |
| 37806 | Mascot, TN | 2,868 | 6.6 mi |
| 37721 | Corryton, TN | 12,733 | 8.3 mi |
| 37820 | New Market, TN | 7,495 | 7.8 mi |
| 37888 | Washburn, TN | 2,741 | 10.5 mi |
| 37924 | Knoxville, TN | 11,259 | 11.8 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37709, both outside TN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,732 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Grainger County
Related Areas
Frequently Asked Questions
What county is ZIP code 37709 in?
ZIP code 37709 (Blaine) is located in Grainger County, Tennessee. Grainger County contains multiple ZIP codes, see the full list at /counties/grainger-tn.
What is the population of ZIP code 37709?
ZIP code 37709 in Blaine, TN has a population of 3,732 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37709?
The median household income in ZIP 37709 is $75,799, which is 1% below the national average of $76,288.
What is the average home value in ZIP 37709?
The median home value in ZIP 37709 is $274,500, which is 1% below the national average of $278,155.
What is the demographic makeup of ZIP 37709?
The largest racial group in ZIP 37709 is White at 96.8%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 37709?
ZIP code 37709 has 51 business establishments employing approximately 476 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37709?
The top industries by establishment count in ZIP 37709 are: Other services (except public administration) (11), Construction (9), Retail trade (9). There are 5 industry sectors represented in total.
What is the education level in ZIP code 37709?
In ZIP code 37709, 67.4% of residents aged 25+ have a high school diploma or higher, and 18.1% 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 37709?
The mean commute time for workers in ZIP code 37709 is 31.3 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 37709?
In ZIP code 37709, approximately 81.5% of occupied housing units are owner-occupied and 18.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37709?
The poverty rate in ZIP code 37709 is 11.4% 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 37709's numbers, next.
- See how ZIP 37709 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Blaine, TN 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.