99639 ZIP Code, Ninilchik, AK
99639 is a ZIP code in Ninilchik, Alaska in Kenai Peninsula Borough. It covers 359 square miles of land. The closest ZIP codes are 99556 and 99610. 1,175 people live here in 570 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (85%). Median household income is $47,333, well below the Alaska median of $92,788; the median age is 55.9, older than most ZIP codes.
Quick facts
- Mailing city: Ninilchik, AK
- County: Kenai Peninsula County
- Land area: 359 sq mi
- Population: 1,175
- Median household income: $47,333
Key figures
| Measure | Value |
|---|---|
| Residents | 1,175 |
| Households | 570 |
| Median household income | $47,333 |
| Income per person | $33,502 |
| Median age | 55.9 |
| Homeowners | 85.3% |
| Median home value | $250,800 |
| Median rent | $1,007 |
| Bachelor's degree or higher | 25.3% |
| Average commute (minutes) | 18.4 |
| Households with kids under 18 | 20.2% |
| Moved in the past year | 12.4% |
| Below the poverty line | 19.7% |
| Broadband internet | 80.7% |
| Speak a non-English language at home | 3.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 11.4% |
| $10–15K | 3.3% |
| $15–25K | 12.3% |
| $25–35K | 13.5% |
| $35–50K | 10.4% |
| $50–75K | 21.4% |
| $75–100K | 9.5% |
| $100–150K | 8.6% |
| $150–200K | 2.5% |
| $200K+ | 7.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.5% |
| 10–19 | 12.7% |
| 20–24 | 4.3% |
| 25–34 | 6.9% |
| 35–44 | 9.6% |
| 45–54 | 7.7% |
| 55–64 | 16.4% |
| 65–74 | 20.0% |
| 75+ | 13.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 15.4% |
| Owned outright | 25.6% |
| Rented | 7.0% |
| Vacant | 51.9% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 92.4% |
| Townhome | 0.3% |
| 2–4 units | 0.6% |
| 5–19 units | 1.7% |
| 20+ units | 0.0% |
| Mobile / other | 4.9% |
Businesses in 99639
39 business establishments with 130 employees (ZIP Codes Business Patterns 2023).
- Accommodation and Food Services: 10
- Retail Trade: 7
- Transportation and Warehousing: 4
- Construction: 3
- Health Care and Social Assistance: 3
EDDM carrier routes
See every USPS carrier route in 99639 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
Areas that include 99639
- Ninilchik, AK ZIP codes — 2 ZIP codes
- Happy Valley, AK ZIP codes — 2 ZIP codes
- Kenai Peninsula County ZIP codes — 15 ZIP codes
- Alaska ZIP code data
Where it ranks
- No. 2 of 8: highest share of owner-occupied homes in Kenai Peninsula Borough
- No. 2 of 8: highest share of residents who moved in during the past year in Kenai Peninsula Borough
- No. 1 of 8: highest median age in Kenai Peninsula Borough
Mail every home in 99639
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 99639, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 99639 in?
- 99639 is a Ninilchik, AK mailing address. By land area, 52% lies inside Ninilchik and 4% lies inside Happy Valley; the rest is outside any Census-defined city or community.
- What county is 99639 in?
- 99639 is in Kenai Peninsula Borough.
- What is the population of 99639?
- About 1,175 people (±185), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,072.
- What is the median household income in 99639?
- $47,333 (±$14,659), compared with $92,788 for Alaska as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 99639?
- EDDM2GO's stored route library does not include 99639 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 99639?
- The closest, measured center to center: 99556 (10.7 mi, Anchor Point) and 99610 (22 mi, Cohoe).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.